Males | Females | |
---|---|---|
Participation, n (response rate %) | 3041 (61%) | 3383 (68%) |
Age, mean (SD) | 51.8 (14.0) | 50.4 (14.1) |
Survey questionnaire responses | ||
Effort angina (angina pectoris)b | 4.6% | 2.1% |
Myocardial infarction ever | 3.6% | 0.9% |
Coronary bypass surgery ever | 2.2% | 0.3% |
Coronary angioplasty ever | 3.1% | 0.6% |
Chronic obstructive pulmonary disease (COPD)b | 1.6% | 0.7% |