Relation between frequency of sexual intercourse and CHD risk
| Frequency of sexual intercourse | Number (%) events | Age adjusted odds ratio (95% CI) | Fully adjusted odds ratio* | p value for trend |
|---|---|---|---|---|
| *Adjusted for systolic blood pressure, current smoking, FEV1/height2, blood cholesterol, fibrinogen, social class, paternal social class, self reported hypertension, ECG defined ischaemia, angina. | ||||
| All CHD | ||||
| High | 37 (16.0%) | 1 | 1 | 0.21 |
| Intermediate | 80 (16.5%) | 0.92 (0.59 to 1.42) | 0.95 (0.60 to 1.50) | |
| Low | 52 (26.4%) | 1.47 (0.89 to 2.44) | 1.40 (0.82 to 2.39) | |
| Fatal CHD | ||||
| High | 19 (8.2%) | 1 | 1 | 0.24 |
| Intermediate | 53 (10.9%) | 1.19 (0.68 to 2.09) | 1.30 (0.72 to 2.35) | |
| Low | 33 (16.8%) | 1.69 (0.90 to 3.20) | 1.53 (0.77 to 3.01) | |