Table 4

Hazard ratios for coronary heart disease among women according to father’s social class, level of education, and social class and household income in adult life

Number of cases of CHD/number of womenHazard ratio (95% CI)p for trend
Father’s social class during woman’s infancy
    Upper middle6/4121.000.40
    Lower middle15/8151.20 (0.47 to 3.09)
    Labourer55/25801.38 (0.59 to 3.21)
Woman’s level of education
    High9/6011.000.009
    Middle18/13020.99 (0.45 to 2.21)
    Low55/18521.97 (0.97 to 3.98)
Social class in adult life (1980 data)
    Higher official17 / 7711.000.44
    Lower official44/19791.01 (0.58 to 1.76)
    Self employed2/1690.49 (0.11 to 2.14)
    Labourer9/4870.80 (0.36 to 1.79)
Household income (1000 Finnish marks/year) (1980 data)
    >14018/7091.000.17
    111–14016/6670.98 (0.50 to 1.92)
    96–1103/4530.29 (0.09 to 0.98)
    75–9514/5911.01 (0.50 to 2.03)
    ⩽7532/12111.15 (0.65 to 2.05)