Table 1.
Hazard ratios for coronary heart disease among men according to father's social class, level of education, and social class and household income in adult life
| No of cases/ No of men | Hazard ratios (95% CI) | P value for trend | |
|---|---|---|---|
| Infancy | |||
| Fathers' social class: | |||
| Upper middle | 20/449 | 1.00 | 0.0006 |
| Lower middle | 48/709 | 1.44 (0.86 to 2.43) | |
| Labourer | 202/2258 | 2.01 (1.27 to 3.18) | |
| Education | |||
| Level of education: | |||
| High | 32/721 | 1.00 | 0.0001 |
| Middle | 111/1489 | 1.87 (1.26 to 2.77) | |
| Low | 133/1373 | 2.25 (1.53 to 3.30) | |
| Adult life (1980) | |||
| Social class: | |||
| Higher official | 62/1247 | 1.00 | <0.0001 |
| Lower official | 69/888 | 1.62 (1.15 to 2.28) | |
| Self employed | 22/240 | 1.83 (1.12 to 2.97) | |
| Labourer | 132/1301 | 2.15 (1.59 to 2.91) | |
| Household income 1000 marks/year (£): | |||
| >140 (15 700) | 45/734 | 1.00 | 0.002 |
| 111-140 (15 700) | 61/776 | 1.34 (0.91 to 1.96) | |
| 96-110 (12 400) | 41/595 | 1.26 (0.82 to 1.92) | |
| 75-95 (10 700) | 64/747 | 1.52 (1.03 to 2.22) | |
| ⩽75 (8 400) | 74/824 | 1.71 (1.18 to 2.48) | |