Table 2.
Descriptive statistics for categorical variables
| Variable | No (%) of men | No (%) of women | |
|---|---|---|---|
| Social class at birth: | n=149 | n=190 | |
| 1, 2 | 19 (13) | 16 (8) | |
| 3 | 84 (56) | 128 (67) | |
| 4, 5 | 46 (31) | 46 (24) | |
| Social class at age 5 years: | n=138 | n=170 | |
| 1, 2 | 11 (8) | 12 (7) | |
| 3N | 15 (11) | 21 (12) | |
| 3M | 61 (44) | 75 (44) | |
| 4, 5 | 51 (37) | 62 (37) | |
| Social class in adulthood: | n=146 | n=180 | |
| 1, 2 | 70 (48) | 94 (52) | |
| 3N | 15 (10) | 26 (14) | |
| 3M | 45 (31) | 33 (18) | |
| 4, 5 | 16 (11) | 27 (15) | |
| Housing conditions score at birth*: | n=152 | n=193 | |
| 0 | 71 (47) | 92 (48) | |
| 1 | 37 (24) | 54 (28) | |
| 2 | 28 (18) | 23 (12) | |
| 3 or more | 16 (11) | 24 (12) | |
| Housing conditions score at age 5 years*: | n=139 | n=172 | |
| 0 | 70 (50) | 89 (52) | |
| 1 | 41 (30) | 50 (29) | |
| 2 | 17 (12) | 20 (12) | |
| ⩾3 | 11 (8) | 13 (8) | |
| Adverse life events in childhood: | n=131 | n=162 | |
| None | 82 (63) | 90 (56) | |
| 1 | 39 (30) | 51 (32) | |
| ⩾2 | 10 (8) | 21 (13) | |
| Family history of cardiovascular disease | n=152 | n=193 | |
| 28 (18) | 47 (24) | ||
| Exercise level at age 49-51 years: | n=152 | n=192 | |
| Most active | 24 (16) | 28 (15) | |
| Less active | 32 (21) | 49 (26) | |
| Least active | 96 (63) | 115 (60) | |
| Physically inactive at age 49-51 years | n=150 | n=186 | |
| 12 (8) | 25 (13) | ||
| Alcohol consumption†: | n=152 | n=191 | |
| None | 11 (7) | 26 (14) | |
| Light | 56 (37) | 75 (39) | |
| Moderate | 57 (38) | 85 (45) | |
| Heavy | 28 (18) | 5 (3) |
*
None to three or more of: overcrowding, lack of hot water, shared toilet, and dampness or poor repair.
†
Light drinking was defined as up to 5 units of alcohol per week for women (10 units for men) and moderate drinking up to 21 units for women and 28 units for men.