Table 2

Incidence of coronary heart disease, chronic bronchitis, and depression by employment grade, father's social class, height and own education. Men—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
Low331.57442.39931.50
Intermediate2251.361441.145221.17
High1441.0991.03701.0
Trend2-150 1.30 (1.1, 1.5)1.44 (1.2, 1.7)1.20 (1.1, 1.4)
(p=0.003)(p=0.0002)(p=0.009)
Father's social class
IV or V230.860.83 (0.5, 1.3)190.940.85 (0.5, 1.4)640.710.67 (0.5, 1.0)
IIIm981.051.02 (0.8, 1.4)711.181.11 (0.8, 1.5)2120.860.82 (0.6, 1.0)
IIInm400.790.77 (0.5, 1.1)300.910.86 (0.6, 1.3)1130.980.95 (0.7, 1.3)
I or II1161.01.0811.01.02841.01.0
Trend2-150 1.0 (0.9, 1.1)0.98 (0.9, 1.1)1.04 (0.9, 1.2)1.0 (0.9, 1.2)0.91 (0.8, 1.0)0.89 (0.8, 1.0)
(p=0.93)(p=0.77)(p=0.61)(p=0.99)(p=0.07)(p=0.02)
Height (quartile)
Q1 (shortest)1151.491.36(1.0, 1.9)881.201.00 (0.7, 1.4)2491.131.03 (0.8, 1.3)
Q21141.641.58 (1.2, 2.1)600.860.82 (0.6, 1.2)2421.131.09 (0.9, 1.4)
Q3951.331.30 (0.9, 1.8)650.870.85 (0.6, 1.2)2621.181.17 (0.9, 1.5)
Q4 (tallest)771.01.0731.01.02301.01.0
Trend2-150 1.14 (1.0, 1.3)1.11 (1.0, 1.2)1.06 (1.0, 1.2)1.0 (0.9, 1.1)1.03 (1.0, 1.1)1.0 (0.9, 1.1)
(p=0.005)(p=0.03)(p=0.33)(p=0.99)(p=0.44)(p=0.95)
Age at leaving full time education (y)
⩽16911.101.01 (0.7, 1.4)591.000.79 (0.5, 1.1)1890.860.74 (0.6, 1.0)
17–18760.940.89 (0.7, 1.2)581.060.97 (0.7, 1.4)1930.810.75 (0.6, 1.0)
⩾191371.01.0991.01.03541.01.0
Trend2-150 1.04 (0.9, 1.2)1.0 (0.9, 1.2)1.01 (0.9, 1.2)0.89 (0.8, 1.1)0.91 (0.8, 1.0)0.85 (0.8, 1.0)
(p=0.58)(p=0.97)(p=0.94)(p=0.20)(p=0.14)(p=0.01)
  • 2-150 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.