Adjusted results from multiple regression models including social class at all time points for men: differences in means (95% confidence intervals) between each social class and the professional social class 1 (reference group)
| Men | Waist-hip ratio (%) (n=1299) | Waist-height ratio (%) (n=1299) | Waist circumference (cm) (n=1300) | Body mass index (kg/m2) (n=1299) |
|---|---|---|---|---|
| *Test for trend. | ||||
| Father’s social class | p=0.002 (p=0.01) | p=0.002 (p=0.002*) | p=0.06 (p=0.1*) | p=0.002 (p=0.001*) |
| I professional (reference group) | 0 | 0 | 0 | 0 |
| II intermediate | 0.3 (−1.3 to 1.9) | 0.7 (−1.0 to 2.3) | 1.3 (−1.6 to 4.1) | 0.6 (−0.5 to 1.6) |
| III skilled non-manual | 1.1 (−0.5 to 2.7) | 1.3 (−0.3 to 2.9) | 1.8 (−1.1 to 4.6) | 0.8 (−0.2 to 1.9) |
| III skilled manual | 2.3 ( 0.7 to 3.9) | 2.6 ( 1.0 to 4.2) | 3.6 ( 0.8 to 6.3) | 1.7 ( 0.7 to 2.8) |
| IV semi-skilled | 1.1 (−0.6 to 2.7) | 1.6 ( 0.0 to 3.3) | 2.0 (−0.9 to 4.8) | 1.1 ( 0.1 to 2.2) |
| V unskilled | 1.8 (−0.2 to 3.8) | 2.3 ( 0.3 to 4.3) | 2.1 (−1.3 to 5.6) | 1.7 ( 0.4 to 3.0) |
| Adult social class at 26 years | p=0.98 (p=0.6*) | p=0.8 (p=0.5*) | p=0.7 (p=0.7*) | p=0.6 (p=0.5*) |
| I professional (reference group) | 0 | 0 | 0 | 0 |
| II intermediate | −0.1 (−1.5 to 1.3) | −0.0 (−1.4 to 1.3) | −1.4 (−3.7 to 1.0) | −0.2 (−1.0 to 0.7) |
| III skilled non-manual | −0.2 (−1.8 to 1.3) | −0.5 (−1.9 to 1.0) | −1.7 (−4.3 to 0.9) | −0.3 (−1.3 to 0.6) |
| III skilled manual | 0.3 (−1.2 to 1.7) | 0.3 (−1.1 to 1.8) | −0.9 (−3.5 to 1.7) | 0.3 (−0.7 to 1.2) |
| IV semi-skilled | −0.1 (−1.7 to 1.6) | −0.0 (−1.7 to 1.6) | −2.0 (−4.9 to 0.9) | −0.0 (−1.1 to 1.1) |
| V unskilled | −0.0 (−3.0 to 2.9) | 0.8 (−2.2 to 3.7) | −1.3 (−6.4 to 3.8) | −0.6 (−2.5 to 1.3) |
| Adult social class at 43 years | p=0.2 (p=0.007*) | p=0.6 (p=0.3*) | p=0.5 (p=0.3*) | p=0.4 (p=0.8*) |
| I professional (reference group) | 0 | 0 | 0 | 0 |
| II intermediate | 0.6 (−0.7 to 1.8) | 0.8 (−0.4 to 2.1) | 1.7 (−0.5 to 3.9) | 0.5 (−0.3 to 1.3) |
| III skilled non-manual | 1.4 (−0.3 to 3.0) | 1.2 (−0.5 to 2.8) | 2.3 (−0.6 to 5.1) | 0.6 (−0.5 to 1.6) |
| III skilled manual | 1.7 ( 0.3 to 3.2) | 1.2 (−0.3 to 2.6) | 2.2 (−0.3 to 4.7) | 0.3 (−0.6 to 1.3) |
| IV semi-skilled | 1.2 (−0.6 to 3.0) | 1.1 (−0.7 to 2.8) | 2.1 (−1.1 to 5.2) | 0.1 (−1.1 to 1.2) |
| V unskilled | 2.3 (−0.7 to 5.2) | −0.5 (−3.4 to 2.4) | −0.4 (−5.5 to 4.8) | −1.2 (−3.1 to 0.7) |