Adjusted results from multiple regression models including social class at all time points for women: differences in means (95% confidence intervals) between each social class and the professional social class 1 (reference group)
| Women | Waist-hip ratio (%) (n=1345) | Waist-height ratio (%) (n=1342) | Waist circumference (cm) (n=1347) | Body mass index (kg/m2) (n=1337) |
|---|---|---|---|---|
| *Test for trend. | ||||
| Father’s social class | p=0.2 (p=0.02*) | p⩽0.001 (p⩽0.001*) | p=0.001 (p=0.003*) | p⩽0.001 (p⩽0.001*) |
| I professional (reference group) | 0 | 0 | 0 | 0 |
| II intermediate | −0.1(−1.8 to 1.5) | 0.3 (−1.6 to 2.3) | 0.1 (−3.1 to 3.2) | 0.0 (−1.3 to 1.4) |
| III skilled non-manual | 0.2 (−1.4 to 1.8) | −0.5 (−2.4 to 1.5) | −1.1 (−4.2 to 2.0) | −0.7 (−2.1 to 0.6) |
| III skilled manual | 0.4 (−1.2 to 1.9) | 1.6 (−0.3 to 3.5) | 1.5 (−1.5 to 4.5) | 1.1 (−0.2 to 2.4) |
| IV semi-skilled | 1.2 (−0.5 to 2.8) | 2.9 ( 0.9 to 4.9) | 3.7 ( 0.5 to 6.9) | 1.5 ( 0.2 to 2.9) |
| V unskilled | 1.4 (−0.6, 3.4) | 2.1 (−0.4 to 4.5) | 1.7 (−2.2 to 5.6) | 0.6 (−1.1 to 2.3) |
| Adult social class at 26 years | p=0.04 (p=0.003*) | p=0.004 (p⩽0.001*) | p=0.05 (p=0.01*) | P=0.5 (p=0.1*) |
| I professional (reference group) | 0 | 0 | 0 | 0 |
| II intermediate | −0.2 (−1.6 to 1.2) | 0.0 (−1.7 to 1.7) | 0.0 (−2.7 to 2.7) | 0.0 (−1.1 to 1.2) |
| III skilled non-manual | 0.9 (−0.6 to 2.4) | 1.0 (−0.8 to 2.9) | 1.2 (−1.8 to 4.1) | 0.4 (−0.9 to 1.6) |
| III skilled manual | 1.0 (−0.4 to 2.5) | 1.4 (−0.5 to 3.2) | 1.2 (−1.6 to 4.1) | 0.5 (−0.8 to 1.7) |
| IV semi-skilled | 1.7 ( 0.1 to 3.3) | 2.9 ( 1.0 to 4.9) | 3.6 ( 0.4 to 6.7) | 1.1 (−0.2 to 2.5) |
| V unskilled | 2.2 (−0.4 to 4.7) | 3.4 ( 0.3 to 6.5) | 4.4 (−0.5 to 9.2) | 0.8 (−1.3 to 2.9) |
| Adult social class at 43 years | p⩽0.001 (p=0.02*) | p⩽0.001 (p⩽0.001*) | p=0.001 (p=0.002*) | p⩽0.001 (p⩽0.001*) |
| I professional (reference group) | 0 | 0 | 0 | 0 |
| II intermediate | 0.4 (−0.9 to 1.7) | 0.2 (−1.4 to 1.7) | 0.3 (−2.2 to 2.8) | 0.1 (−1.0 to 1.2) |
| III skilled non-manual | 0.3 (−1.3 to 1.9) | 0.3 (−1.7 to 2.3) | 0.5 (−2.7 to 3.6) | −0.1 (−1.5 to 1.2) |
| III skilled manual | 0.2 (−1.3 to 1.7) | 0.5 (−1.3 to 2.2) | 0.5 (−2.3 to 3.4) | 0.4 (−0.8 to 1.6) |
| IV semi-skilled | 3.3 ( 1.6 to 5.1) | 3.2 ( 1.0 to 5.3) | 4.8 ( 1.4 to 8.3) | 1.6 ( 0.1 to 3.0) |
| V unskilled | 1.3 (−1.5 to 4.0) | 5.8 ( 2.5 to 9.2) | 8.6 ( 3.2 to 13.9) | 4.2 ( 1.9 to 6.5) |