Description of cases and controls at baseline and follow up
| Baseline (1989) | Follow up (1997) | |||||
|---|---|---|---|---|---|---|
| Controls (n = 457) | Cases (n = 79) | p value | Controls (n = 457) | Cases (n = 79) | p value | |
| *That is, those stating they were not married or living together with a partner at the time of the survey. | ||||||
| Age, mean (SD) | 37.8 (11.2) | 39.3 (10.7) | 0.249 | 45.8 (11.2) | 47.3 (10.7) | 0.249 |
| BMI, mean (SD) | 23.9 (3.3) | 23.3 (3.8) | 0.187 | 25.2 (3.9) | 24.6 (3.5) | 0.160 |
| Over weight (BMI >25), n (%) | 136 (30.3) | 21 (26.9) | 0.548 | 217 (48.3) | 36 (46.8) | 0.798 |
| Women, n (%) | 216 (47.3) | 60 (75.9) | <0.001 | |||
| Born abroad, n (%) | 51 (11.2) | 18 (22.8) | 0.004 | |||
| Single households*, n (%) | 125 (27.7) | 15 (19.0) | 0.107 | 85 (18.6) | 13 (16.5) | 0.649 |
| Smoker, n (%) | 116 (25.4) | 35 (44.3) | 0.001 | 92 (20.6) | 30 (38.5) | 0.001 |
| Alcohol abstainers, n (%) | 80 (17.9) | 16 (20.3) | 0.617 | 67 (15.3) | 16 (20.5) | 0.248 |
| Children <7 years, n (%) | 88 (19.5) | 18 (22.8) | 0.496 | 136 (29.8) | 21 (26.6) | 0.567 |
| Daytime workers, n (%) | 367 (80.7) | 65 (82.3) | 0.735 | 303 (71.6) | 38 (62.3) | 0.135 |
| Part time workers, n (%) | 113 (25.3) | 25 (31.6) | 0.236 | 107 (28.1) | 15 (30.6) | 0.712 |