UK Data Archive Data Dictionary

 File-level information:

File Name = 		uib
Number of variables = 	149
Number of cases = 	45

Variable-level information:

Pos. = 1	Variable = NCDSID	Variable label = ncdsid serial number
This variable is  string the SPSS measurement level is nominal.

Pos. = 2	Variable = EXPGROUP	Variable label = Experimental Group (Cambridge)  
This variable is  numeric, the SPSS measurement level is nominal.
	Value label information for EXPGROUP
	Value = 1	Label = Main discrepency group 
	Value = 2	Label = Control 1- Consistent Achievers
	Value = 3	Label = Control 2 - Consistently low achievers 

Pos. = 3	Variable = DMSEX	Variable label = Respondent Sex  
This variable is  numeric, the SPSS measurement level is nominal.
	Value label information for DMSEX
	Value = -9	Label = Refusal
	Value = -8	Label = Don't Know     
	Value = -2	Label = Schedule not applicable
	Value = -1	Label = Item not applicable    
	Value = 1	Label = Male   
	Value = 2	Label = Female 

Pos. = 4	Variable = N920	Variable label = 2T Total score on general ability test  
This variable is  numeric, the SPSS measurement level is scale.
SPSS user missing value = -1
	Value label information for N920
	Value = -1	Label = NA     

Pos. = 5	Variable = WRC1	Variable label = Word recall 1 (immediate)   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 6	Variable = WRC2	Variable label = Word recall 2 ( first delayed)  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 7	Variable = WRC3	Variable label = Word recall 3 (second delayed)  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 8	Variable = RECALL12	Variable label = Immediate recall and delayed 1  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 9	Variable = RECALL13	Variable label = Immediate recall and delayed 2  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 10	Variable = RECALL23	Variable label = Delayed recall 1 and 2  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 11	Variable = CFANI_2	Variable label = Number of animals mentioned 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing values = -9  and -8 and -1
	Value label information for CFANI_2
	Value = -9	Label = Refusal
	Value = -8	Label = Don't Know     
	Value = -1	Label = Item not applicable    

Pos. = 12	Variable = LC_SPEED	Variable label = Letter cancellation speed   
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 13	Variable = LC_ACC	Variable label = Letter cancellation accuracy
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 14	Variable = LCACSQRT	Variable label = Letter cancellation accuracy_transformed square root
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 15	Variable = LC_CORR	Variable label = Letter cancellation correct 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 16	Variable = PALTERR	Variable label = PAL total errors
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 17	Variable = PALTERAJ	Variable label = PAL total errors adjusted   
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 18	Variable = PALTERR6	Variable label = PAL total errors 6 shapes   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 19	Variable = PALTERR8	Variable label = PAL total errors 8 shapes   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 20	Variable = PALTR6AJ	Variable label = PAL total errors 6 shapes adjusted  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 21	Variable = PALTR8AJ	Variable label = PAL total errors 8 shapes adjusted  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 22	Variable = PALMERR	Variable label = PAL Mean errors to success  
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 23	Variable = PALMTRIL	Variable label = PAL Mean trials to success  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 24	Variable = PALTTRIL	Variable label = PAL Total trials
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 25	Variable = PALTRADJ	Variable label = PAL Total trials (adjusted) 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 26	Variable = PALTTR6	Variable label = PAL Total trials (6 shapes) 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 27	Variable = PALTT6AJ	Variable label = PAL Total trials (6 shapes) adjusted
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 28	Variable = PALTTR8	Variable label = PAL Total trials (8 shapes) 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 29	Variable = PALTT8AJ	Variable label = PAL Total trials (8 shapes) adjusted
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 30	Variable = PALFTMS	Variable label = PAL First trial memory score
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 31	Variable = PALSTGES	Variable label = PAL Stages completed
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 32	Variable = PALSTGFT	Variable label = PAL Stages completed on first trial 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 33	Variable = AGNMLAT	Variable label = AGN Mean correct latency
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 34	Variable = AGNMLSH	Variable label = AGN Mean correct latency shift  
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 35	Variable = AGNMLNSH	Variable label = AGN Mean correct latency non shift  
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 36	Variable = AGNMLPOS	Variable label = AGN Mean correct latency positive   
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 37	Variable = AGNMLNEG	Variable label = AGN Mean correct latency negative   
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 38	Variable = AGNMLB4	Variable label = AGN Mean correct latency block 4
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 39	Variable = AGNMLB6	Variable label = AGN Mean correct latency block 6
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 40	Variable = AGNMLB8	Variable label = AGN Mean correct latency block 8
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 41	Variable = AGNMLB10	Variable label = AGN Mean correct latency block 10   
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 42	Variable = AGNTC	Variable label = AGN Total commissions   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 43	Variable = AGNTCSH	Variable label = AGN Total commissions shift 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 44	Variable = AGNTCNSH	Variable label = AGN Total commissions shift non shift   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 45	Variable = AGNTCPOS	Variable label = AGN Total commissions positive  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 46	Variable = AGNTCNEG	Variable label = AGN Total commissions negative  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 47	Variable = AGNTCB4	Variable label = AGN Total commissions block 4   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 48	Variable = AGNTCB6	Variable label = AGN Total commissions block 6   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 49	Variable = AGNTCB8	Variable label = AGN Total commissions block 8   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 50	Variable = AGNTCB10	Variable label = AGN Total commissions block 10  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 51	Variable = AGN_T_OM	Variable label = AGN Total omissions 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 52	Variable = AGNTOSH	Variable label = AGN Total omissions shift   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 53	Variable = AGNTONSH	Variable label = AGN Total omissions non shift   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 54	Variable = AGNTOPOS	Variable label = AGN Total omissions positive
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 55	Variable = AGNTONEG	Variable label = AGN Total omissions negative
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 56	Variable = AGNTOB4	Variable label = AGN Total omissions block 4 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 57	Variable = AGNTOB6	Variable label = AGN Total omissions block 6 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 58	Variable = AGNTOB8	Variable label = AGN Total omissions block 8 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 59	Variable = AGNTOB10	Variable label = AGN Total omissions block 10
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 60	Variable = RVPTHITS	Variable label = RVP total hits  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 61	Variable = RVPTMIS	Variable label = RVP total misses
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 62	Variable = RVP_T_AL	Variable label = RVP total false alarms  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 63	Variable = RVPTCORJ	Variable label = RVP total correct rejections
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 64	Variable = RVPPRBH	Variable label = RVP probability of hit  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 65	Variable = RVPPRBFA	Variable label = RVP probability of false alarm  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 66	Variable = RVP_A	Variable label = RVP A'  
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 67	Variable = RVP_B	Variable label = RVP B'' 
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 68	Variable = RVPMLAT	Variable label = RVP mean latency
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 69	Variable = GNTTCOR	Variable label = GNT total correct   
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 70	Variable = GNT_Z_SC	Variable label = GNT Z score 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 71	Variable = GNTTERR	Variable label = GNT total errors
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 72	Variable = GNTTATT	Variable label = GNT total attempts  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 73	Variable = GNTPCORR	Variable label = GNT_percent correct 
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 74	Variable = CGTBAT	Variable label = CGT Battery administered
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 75	Variable = CGTFAC11	Variable label = CGT A-R  factor score   1 for analysis 1
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 76	Variable = CGTFAC21	Variable label = CGT A-R  factor score   2 for analysis 1
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 77	Variable = CGT_QDM	Variable label = CGT Quality of decision making  
This variable is  numeric, the SPSS measurement level is nominal.

Pos. = 78	Variable = CGT_DT	Variable label = CGT Deliberation time   
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 79	Variable = CGTDTL10	Variable label = CGT Deliberation time log10 
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 80	Variable = CGT_RT	Variable label = CGT Risk taking 
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 81	Variable = CGTR_ADJ	Variable label = CGT Risk adjustment 
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 82	Variable = CGTDADV	Variable label = CGT Delay aversion  
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 83	Variable = CGT_OPB	Variable label = CGT Overall proportion bet  
This variable is  numeric, the SPSS measurement level is scale.

Pos. = 84	Variable = COMPLETE	Variable label = Whether questionnaire completed alone or with assistance
This variable is  numeric, the SPSS measurement level is nominal.
	Value label information for COMPLETE
	Value = 1	Label = assisted       
	Value = 2	Label = Assisted       
	Value = 3	Label = Self-Completing independently  

Pos. = 85	Variable = Q1	Variable label = General health over last 12 months  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q1
	Value = -1	Label = Not applicable 
	Value = 1	Label = Excellent      
	Value = 2	Label = Very good      
	Value = 3	Label = Good   
	Value = 4	Label = Fair   
	Value = 5	Label = Poor   

Pos. = 86	Variable = Q2A	Variable label = Reason for poor health: A long standing illness/condition   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q2A
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 87	Variable = Q2B	Variable label = Reason for poor health: A recent acute illness  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q2B
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 88	Variable = Q2C	Variable label = Reason for poor health: A recent accident   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q2C
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 89	Variable = Q2D	Variable label = Reason for poor health: Recovering from an operation
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q2D
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 90	Variable = Q2E	Variable label = Reason for poor health: Recent stress, e.g. divorce, bereavement or unemployment
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q2E
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 91	Variable = Q2F	Variable label = Reason for poor health: Other   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q2F
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 92	Variable = Q3	Variable label = Compared to one year ago, how would  rate health in general now 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q3
	Value = -1	Label = Not applicable 
	Value = 1	Label = Much better than one year ago  
	Value = 2	Label = Somewhat better than one year ago      
	Value = 3	Label = About the same as one year ago 
	Value = 4	Label = Somewhat worse than one year ago       
	Value = 5	Label = Much worse than one year ago   

Pos. = 93	Variable = Q4A	Variable label = Whether suffers or ever suffered from health conditions: Parkinson’s disease
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q4A
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 94	Variable = Q4B	Variable label = Whether suffers or ever suffered from health conditions: Multiple sclerosis 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q4B
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 95	Variable = Q4C	Variable label = Whether suffers or ever suffered from health conditions: Alzheimer’s disease
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q4C
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 96	Variable = Q4D	Variable label = Whether suffers or ever suffered from health conditions: Diabetes   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q4D
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 97	Variable = Q4E	Variable label = Whether suffers or ever suffered from health conditions: Stroke 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q4E
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 98	Variable = Q4F	Variable label = Whether suffers or ever suffered from health conditions: Heart disease  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q4F
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 99	Variable = Q4G	Variable label = Whether suffers or ever suffered from health conditions: Head trauma
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q4G
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 100	Variable = Q4H	Variable label = Whether suffers or suffered from health conds: Other affecting nervous system   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q4H
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 101	Variable = Q4I	Variable label = Whether suffers or ever suffered from health conditions: No – none of the above
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q4I
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 102	Variable = Q6A	Variable label = Whether worried about developing health conditions: Parkinson’s disease 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q6A
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 103	Variable = Q6B	Variable label = Whether worried about developing health conditions: Multiple sclerosis  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q6B
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 104	Variable = Q6C	Variable label = Whether worried about developing health conditions: Alzheimer’s disease 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q6C
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 105	Variable = Q6D	Variable label = Whether worried about developing health conditions: Diabetes
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q6D
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 106	Variable = Q6E	Variable label = Whether worried about developing health conditions: Stroke  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q6E
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 107	Variable = Q6F	Variable label = Whether worried about developing health conditions: Heart disease   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q6F
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 108	Variable = Q6G	Variable label = Whether worried about developing health conditions: Other   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q6G
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 109	Variable = Q6H	Variable label = Whether worried about developing health conditions: No – none of the above  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q6H
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 110	Variable = Q7A	Variable label = Why worried about developing health conds: History of condition(s) in family
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q7A
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 111	Variable = Q7B	Variable label = Why worried about developing health conds: Provided support to other person 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q7B
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 112	Variable = Q7C	Variable label = Why worried about developing health conditions: Other   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q7C
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 113	Variable = Q8	Variable label = Whether consulted GP or specialist in last 12 months about depression or anxiety
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q8
	Value = -1	Label = Not applicable 
	Value = 1	Label = Yes    
	Value = 2	Label = No     

Pos. = 114	Variable = Q9	Variable label = Whether been prescribed antidepressant medication in last 12 months 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q9
	Value = -1	Label = Not applicable 
	Value = 1	Label = Yes    
	Value = 2	Label = No     

Pos. = 115	Variable = Q10	Variable label = Whether still taking antidepressant medication  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q10
	Value = -1	Label = Not applicable 
	Value = 1	Label = Yes    
	Value = 2	Label = No     

Pos. = 116	Variable = Q11	Variable label = How often has an alcoholic drink
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q11
	Value = -1	Label = Not applicable 
	Value = 1	Label = On most days   
	Value = 2	Label = 2 to 3 days a week     
	Value = 3	Label = Once a week    
	Value = 4	Label = 2 to 3 times a month   
	Value = 5	Label = Once a month   
	Value = 6	Label = Less often or only on special occasions
	Value = 7	Label = Never nowadays 
	Value = 8	Label = Never had an alcoholic drink   

Pos. = 117	Variable = Q12	Variable label = How often has six or more drinks on one occasion
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q12
	Value = -1	Label = Not applicable 
	Value = 1	Label = Never  
	Value = 2	Label = Less than monthly      
	Value = 3	Label = Monthly
	Value = 4	Label = Two to three times per week    
	Value = 5	Label = Four or more times a week      

Pos. = 118	Variable = Q13	Variable label = Whether colour blind
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q13
	Value = -1	Label = Not applicable 
	Value = 1	Label = Yes    
	Value = 2	Label = No     

Pos. = 119	Variable = Q14	Variable label = Whether has problems with hearing   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q14
	Value = -1	Label = Not applicable 
	Value = 1	Label = Yes    
	Value = 2	Label = No     

Pos. = 120	Variable = Q15	Variable label = Whether has problems moving fingers or hands
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q15
	Value = -1	Label = Not applicable 
	Value = 1	Label = Yes    
	Value = 2	Label = No     

Pos. = 121	Variable = Q16A	Variable label = Whether does any mental activities: Crossword puzzles, Sudoku etc   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q16A
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 122	Variable = Q16B	Variable label = Whether does any mental activities: Brain training exercises etc
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q16B
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 123	Variable = Q16C	Variable label = Whether does any mental activities: Read or write literature etc
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q16C
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 124	Variable = Q16D	Variable label = Whether does any mental activities: Do mathematical related activities  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q16D
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 125	Variable = Q16E	Variable label = Whether does any mental activities: Do educational courses  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q16E
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 126	Variable = Q16F	Variable label = Whether does any mental activities: Other mental activities 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q16F
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 127	Variable = Q16G	Variable label = Whether does any mental activities: No – none of the above  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q16G
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 128	Variable = Q17	Variable label = Mental activity done most often 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q17
	Value = -1	Label = Not applicable 
	Value = 1	Label = Crossword and other puzzles eg suduko  
	Value = 2	Label = Brain training exercises or games      
	Value = 3	Label = Read or write classic, scientific      
	Value = 4	Label = Do mathematical related activities     
	Value = 5	Label = Do educational courses 
	Value = 6	Label = Other mental activities

Pos. = 129	Variable = Q18	Variable label = How often does this mental activity 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q18
	Value = -1	Label = Not applicable 
	Value = 1	Label = Every day      
	Value = 2	Label = 4-5 days a week
	Value = 3	Label = 2-3 days a week
	Value = 4	Label = Once a week    
	Value = 5	Label = Once a month   
	Value = 6	Label = Two or three times a month     
	Value = 7	Label = Less often     

Pos. = 130	Variable = Q19	Variable label = Whether feels info explained what research would involve (0-10) 
This variable is  numeric, the SPSS measurement level is nominal.
	Value label information for Q19
	Value = 0	Label = Not at all     
	Value = 10	Label = Very much      

Pos. = 131	Variable = Q20	Variable label = Ease/difficulty of travelling to research centre
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q20
	Value = -1	Label = Not applicable 
	Value = 1	Label = Very easy      
	Value = 2	Label = Easy   
	Value = 3	Label = Fairly easy    
	Value = 4	Label = Fairly difficult       
	Value = 5	Label = Difficult      
	Value = 6	Label = Very difficult 

Pos. = 132	Variable = Q21	Variable label = How much enjoyed being involved in research project(0-10)   
This variable is  numeric, the SPSS measurement level is nominal.
	Value label information for Q21
	Value = 0	Label = Not at all     
	Value = 10	Label = Very much      

Pos. = 133	Variable = Q22A	Variable label = Which cognitive assessments enjoyed most: Graded Naming Test
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q22A
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 134	Variable = Q22B	Variable label = Which cognitive assessments enjoyed most: Paired Associates Learning
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q22B
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 135	Variable = Q22C	Variable label = Which cog assessments enjoyed most: Rapid Visual Information Processing task
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q22C
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 136	Variable = Q22D	Variable label = Which cognitive assessments enjoyed most: Affective Go/No go task   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q22D
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 137	Variable = Q22E	Variable label = Which cognitive assessments enjoyed most: Cambridge Gambling Task   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q22E
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 138	Variable = Q22F	Variable label = Which cognitive assessments enjoyed most: All equally   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q22F
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 139	Variable = Q22G	Variable label = Which cognitive assessments enjoyed most: None  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q22G
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 140	Variable = Q23A	Variable label = Which cognitive assessments enjoyed least: Graded Naming Test   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q23A
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 141	Variable = Q23B	Variable label = Which cognitive assessments enjoyed least: Paired Associates Learning   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q23B
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 142	Variable = Q23C	Variable label = Which cog assessments enjoyed least: Rapid Visual Information Processing task   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q23C
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 143	Variable = Q23D	Variable label = Which cognitive assessments enjoyed least: Affective Go/No go task  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q23D
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 144	Variable = Q23E	Variable label = Which cognitive assessments enjoyed least: Cambridge Gambling Task  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q23E
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 145	Variable = Q23F	Variable label = Which cognitive assessments enjoyed least: All equally  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q23F
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 146	Variable = Q23G	Variable label = Which cognitive assessments enjoyed least: None 
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q23G
	Value = -1	Label = Not applicable 
	Value = 0	Label = Not mentioned  
	Value = 1	Label = Mentioned      

Pos. = 147	Variable = Q24	Variable label = Whether likely to participate in a similar research project if asked to do so   
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q24
	Value = -1	Label = Not applicable 
	Value = 1	Label = Very likely    
	Value = 2	Label = Fairly likely  
	Value = 3	Label = Not very likely
	Value = 4	Label = Not at all likely      

Pos. = 148	Variable = Q25	Variable label = Whether been scanned in an fMRI scanner before  
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q25
	Value = -1	Label = Not applicable 
	Value = 1	Label = No     
	Value = 2	Label = Yes, for clinical diagnosis    
	Value = 3	Label = Yes, as part of a research study       
	Value = 4	Label = Yes, for both clinical and research    
	Value = 5	Label = Dont know      

Pos. = 149	Variable = Q26	Variable label = Whether would be prepared to take part in an fMRI research study
This variable is  numeric, the SPSS measurement level is nominal.
SPSS user missing value = -1
	Value label information for Q26
	Value = -1	Label = Not applicable 
	Value = 1	Label = Would not take part    
	Value = 2	Label = Would take part regardless     
	Value = 3	Label = Only take part with FULL feedback      
	Value = 4	Label = Only take part with feedback if serious
	Value = 5	Label = Only take part with NO feedback