| Number | Frequencies (%)/Mean (S.D) | % missing | |
---|---|---|---|---|
Cognition | ||||
 Standardized score at age 11 |  | 8448 | 0.44 (3.12) | 7.4 |
 Standardized score at age 50 |  | 8751 | 0.02 (2.41) | 4.0 |
Social network | ||||
Age 33 | Â | Â | ||
 Has at least 1 friend/ neighbour/ colleague could turn to for advice (Number of people showed only for description; variable used as dichotomous) |  | 7961 | 12.7 | |
No/No one mentioned | Â | 56.3 | Â | |
Yes/Someone mentioned | Â | 43.7 | Â | |
0 people mentioned | Â | 56.3 | Â | |
1 person mentioned | Â | 28.2 | Â | |
2 people | Â | 12.2 | Â | |
3 people | Â | 2.7 | Â | |
4 people | Â | 0.3 | Â | |
 Has at least 1 member of family could turn to for advice (Number of people showed only for description; variable used as dichotomous) |  | 7961 | 12.7 | |
No/No one mentioned | Â | 8.7 | Â | |
Yes/Someone mentioned | Â | 91.3 | Â | |
0 people mentioned | Â | 8.7 | Â | |
1 person mentioned | Â | 21.8 | Â | |
2 people | Â | 25.5 | Â | |
3 people | Â | 28.2 | Â | |
4 people | Â | 15.8 | Â | |
 Number of civic group activities participated in (used as continual variable; categories showed only for description) |  | 7961 | 0.22 (0.52) | 12.7 |
No activity | Â | 82.7 | Â | |
1 activity | Â | 13.8 | Â | |
2 activities | Â | 2.8 | Â | |
3+ | Â | 0.7 | Â | |
Age 42 | Â | Â | Â | |
 Has somebody could turn to for advice/support |  | 8641 |  | 7.2 |
No | Â | 3.3 | Â | |
Yes, family member | Â | 75.0 | Â | |
Yes, friend/neighbour/colleague | Â | 21.7 | Â | |
Age 50 | Â | Â | ||
 Number of civic group activities participated in (used as continual variable; categories showed only for description) |  | 9117 | 0.49 (0.80) | 0.1 |
No activity | Â | 65.1 | Â | |
1 activity | Â | 24.6 | Â | |
2 activities | Â | 7.5 | Â | |
3+ | Â | 2.8 | Â | |
Health and health behaviour | ||||
Age 33 | Â | Â | ||
 Self-rated health |  | 7843 | 14.0 | |
Poor | Â | 1.3 | Â | |
Fair | Â | 11.1 | Â | |
Good | Â | 52.2 | Â | |
Excellent | Â | 35.4 | Â | |
Age 42 | Â | Â | ||
 Mental well-being (Malaise score; 9-item version) |  | 8412 | 7.8 | |
Better (0–3) |  | 88.5 |  | |
Worse (4+) | Â | 11.5 | Â | |
 Frequency of drinking alcohol |  | 8459 |  | |
Never | Â | 1.2 | Â | |
Not now/ special occasions | Â | 16.0 | Â | |
Once in a week | Â | 29.9 | Â | |
More often | Â | 52.9 | Â | |
 Frequency of smoking |  | 8464 | 7.2 | |
No | Â | 46.1 | Â | |
Used to/ occasionally | Â | 30.2 | Â | |
Daily | Â | 23.7 | Â | |
 Takes part in sporting activities and frequency |  | 8455 | 7.3 | |
Not regularly/less often than once in month | Â | 27.7 | Â | |
2–3 times in month |  | 6.5 |  | |
Once in week | Â | 18.8 | Â | |
2–3 times in week |  | 21.2 |  | |
4 times in week/every day | Â | 25.8 | Â | |
Socio-economic background | ||||
Age 11 | Â | Â | ||
 Father’s (male head) social class |  | 8249 | 9.5 | |
Professional | Â | 5.8 | Â | |
Managerial-technical | Â | 19.2 | Â | |
Skilled non-manual | Â | 9.5 | Â | |
Skilled manual | Â | 40.2 | Â | |
Partly skilled | Â | 15.8 | Â | |
Unskilled | Â | 5.0 | Â | |
No male head | Â | 4.5 | Â | |
 Housing tenure |  | 8342 | 8.6 | |
Owner occupied | Â | 48.1 | Â | |
Council rented | Â | 39.8 | Â | |
Private rented | Â | 7.3 | Â | |
Rent free | Â | 4.8 | Â | |
Age 42 | Â | Â | ||
 Own social class |  | 7297 | 20.0 | |
Professional | Â | 5.6 | Â | |
Managerial-technical | Â | 38.9 | Â | |
Skilled non-manual | Â | 21.6 | Â | |
Skilled manual | Â | 19.2 | Â | |
Partly skilled | Â | 11.9 | Â | |
Unskilled | Â | 2.8 | Â | |
Age 50 | Â | Â | ||
 Highest achieved qualification |  | 9113 | 0.1 | |
None | Â | 11.0 | Â | |
CSE or equivalent | Â | 11.2 | Â | |
GCSE or equivalent | Â | 25.4 | Â | |
AS/A level or equivalent | Â | 17.2 | Â | |
Degree/teaching diploma/vocational NVQ4 diploma | Â | 30.8 | Â | |
Higher Degree/vocational NVQ5 diploma | Â | 4.4 | Â | |
Other | ||||
Gender | Â | 9119 | 0 | |
Male | Â | 49.0 | Â | |
Female | Â | 51.0 | Â |