Descriptive data for dependent and independent variables by sex.
| Males (n = 367) | Females (n = 427) | |||
|---|---|---|---|---|
| n | % (95% CI) | n | % (95% CI) | |
| Age, years | ||||
| <40 | 80 | 21.8 (17.7 to 26.4) | 89 | 20.8 (17.1 to 25.0) |
| 40–49 | 87 | 23.7 (19.4 to 28.4) | 71 | 16.6 (13.2 to 20.5) |
| 50–59 | 83 | 22.6 (18.4 to 27.2) | 120 | 28.1 (23.9 to 32.6) |
| 60–69 | 80 | 21.8 (17.7 to 26.4) | 95 | 22.3 (18.4 to 26.5) |
| ≥70 | 37 | 10.1 (7.2 to 13.6) | 52 | 12.2 (9.2 to 15.7) |
| Mean (SD) | 52.2 | (12.9) | 53.6 | (13.0) |
| Socioeconomic index | ||||
| 0 | 73 | 19.9 (15.9 to 24.3) | 76 | 17.8 (14.3 to 21.8) |
| 1 | 78 | 21.3 (17.2 to 25.8) | 85 | 19.9 (16.2 to 24.0) |
| 2 | 138 | 37.6 (32.6 to 42.8) | 170 | 39.8 (35.1 to 44.6) |
| 3 | 78 | 21.3 (17.2 to 25.8) | 96 | 22.5 (18.6 to 26.7) |
| Contact GP | ||||
| Definitely/probably | 196 | 53.4 (48.2 to 58.6) | 269 | 63.0 (58.2 to 67.6) |
| Anxiety | ||||
| Very worried | 83 | 22.6 (18.4 to 27.2) | 93 | 21.8 (18.0 to 26.0) |
| Cause of pain | ||||
| From heart | 252 | 68.7 (63.6 to 73.4) | 304 | 71.2 (66.6 to 75.4) |
SD = standard deviation.