Table 2.
Prevalence (95% confidence interval) of each risk factor, adjusted for age, by social class group among women with no evidence of cardiovascular disease
|
Adulthood non-manual
|
Adulthood manual
|
||||||
|---|---|---|---|---|---|---|---|
| All participants | Childhood non-manual | Childhood manual | Childhood non-manual | Childhood manual | χ2 df=3 | P value* | |
| Smoking, current | 10.3 (8.9 to 11.9) | 7.2 (5.4 to 9.6) | 9.9 (8.0 to 12.2) | 7.2 (4.6 to 11.3) | 12.6 (10.1 to 15.5) | 13.8 | 0.003 |
| Hypertension (≥160 or ≥90 mm Hg or on medication) | 44.9 (42.7 to 47.1) | 38.2 (33.8 to 42.7) | 46.7 (43.5 to 50) | 45.3 (38.8 to 51.9) | 45.6 (42.4 to 48.9) | 5.0 | 0.173 |
| Low HDLC ≤0.9 mmol/l | 2.4 (1.7 to 3.6) | 2.4 (1.3 to 4.5) | 2.2 (1.4 to 3.5) | 1 (0.1 to 6.7) | 2.9 (1.9 to 4.4) | 2.9 | 0.406 |
| Obese (BMI >30 kg/m2) | 24.3 (22.1 to 26.6) | 15.2 (12.6 to 18.3) | 24 (20.6 to 27.6) | 23.2 (18.5 to 28.7) | 28.6 (25.9 to 31.4) | 24.5 | <0.001 |
| Diabetes (diagnosed or fasting glucose ≥7 mmol/l) | 7.5 (6.7 to 8.3) | 4.9 (3.3 to 7.2) | 8.1 (6.3 to 10.3) | 6 (3.7 to 9.5) | 8.3 (6.9 to 9.9) | 6.7 | 0.083 |
| LVH (Minnesota code definite/probable) | 8.2 (7.3 to 9.3) | 7.3 (5.1 to 10.3) | 8.2 (6.4 to 10.5) | 7.2 (4.1 to 12.4) | 8.7 (7.5 to 10) | 1.0 | 0.790 |
HDLC=high density lipoprotein cholesterol, LVH=left ventricular hypertrophy.
*
For difference between social class groups.