Table 3

Incidence of coronary heart disease, chronic bronchitis, and depression by employment grade, father's social class, height and own education . Women—odds ratios adjusted for (a) age and (b) age and employment grade

Coronary heart diseaseChronic bronchitisDepression
EventsOdds ratio (95% CI)EventsOdds ratio (95% CI)EventsOdds ratio (95% CI)
Age adjustedAge and grade adjustedAge adjustedAge and grade adjustedAge adjustedAge and grade adjusted
Employment grade
Low1401.64741.742460.94
Intermediate921.18541.612331.03
High251.0101.0741.0
Trend3-150 1.32 (1.1, 1.6)1.21 (0.9, 1.6)0.96 (0.8, 1.1)
(p=0.009)(p=0.16)(p=0.58)
Father's social class
IV or V251.321.20 (0.7, 2.1)50.290.25 (0.1, 0.7)430.760.76 (0.5, 1.2)
IIIm611.281.19 (0.8, 1.8)340.810.71 (0.4, 1.2)1270.900.90 (0.6, 1.3)
IIInm191.171.13 (0.6, 2.0)151.091.03 (0.5, 1.9)501.051.06 (0.7, 1.7)
I or II461.01.0381.01.01501.01.0
Trend3-150 1.11 (1.0, 1.3)1.07 (0.9, 1.3)0.79 (0.7, 1.0)0.75 (0.6, 0.9)0.93 (0.8, 1.1)0.93 (0.6, 1.5)
(p=0.20)(p=0.41)(p=0.020)(p=0.005)(p=0.23)(p=0.25)
Height (quartile)
Q1 (shortest)851.481.34 (0.9, 1.9)391.211.15 (0.7, 1.9)1370.930.96 (0.7, 1.3)
Q2661.261.19 (0.8, 1.8)411.431.38 (0.8, 2.3)1321.021.04 (0.8, 1.4)
Q3480.790.76 (0.5, 1.2)290.910.89 (0.5, 1.15)1430.920.94 (0.7, 1.3)
Q4 (tallest)571.01.0291.01.01411.01.0
Trend3-150 1.19 (1.1, 1.3)1.15 (1.0, 1.3)1.10 (1.0, 1.3)1.09 (0.9, 1.3)0.99 (0.9, 1.1)1.0 (0.9, 1.1)
(p=0.005)(p=0.03)(p=0.21)(p=0.29)(p=0.82)(p=0.98)
Age at leaving full time education (y)
⩽16941.150.95 (0.6, 1.15)541.150.94 (0.5, 1.7)1850.740.76 (0.5, 1.1)
17–18370.980.89 (0.5, 1.4)251.241.06 (0.6, 1.9)920.690.68 (0.5, 1.0)
⩾19451.01.0241.01.01391.01.0
Trend3-150 1.08 (0.9, 1.3)0.98 (0.8, 1.2)1.06 (0.8, 1.4)0.96 (0.7, 1.3)0.87 (0.7, 1.0)0.88 (0.7, 1.1)
(p=0.44)(p=0.89)(p=0.66)(p=0.77)(p=0.08)(p=0.17)
  • 3-150 Trend gives the odds ratio (95% CI) per unit change from the reference group in explanatory variable and p value for test of significance from 1.0.