Table 1 Distribution (%; mean(sd)) of IHD and the confounders by category of TC/HDL-C at baseline
Variable | TC/HDL-C category | |||||
|---|---|---|---|---|---|---|
Totals | Quintile 1 | Quintile 2 | Quintile 3 | Quintile 4 | Quintile 5 | |
Number of women (%) | 6537 | 1307 (20.0) | 1307 (20.0) | 1308(20.0) | 1307 (20.0) | 1308 (20.0) |
Number of IHD (%) | 551 (8.4) | 64(4.9) | 91(7.0) | 109 (8.3) | 104 (8.0) | 183(14.0) |
Age, mean (sd) | 56.4 (3.0) | 56.0 (2.9) | 56.2 (3.0) | 56.6 (3.0) | 56.6 (3.0) | 56.7 (3.1) |
Exercise | ||||||
Low (%) | 5.7 | 3.8 | 4.7 | 5.6 | 5.4 | 8.9 |
Medium (%) | 51.7 | 46.0 | 49.8 | 50.6 | 54.8 | 57.3 |
High (%) | 42.6 | 50.2 | 45.5 | 43.8 | 39.8 | 33.8 |
Smoking | ||||||
Non-smoker (%) | 59.3 | 63.4 | 60.7 | 63.5 | 57.5 | 51.2 |
Former smoker (%) | 20.0 | 21.7 | 22.0 | 18.2 | 19.7 | 18.6 |
Daily smoker (%) | 20.7 | 14.9 | 17.3 | 20.3 | 22.8 | 30.2 |
WHR | ||||||
Small (≤ 0.78) (%) | 55.0 | 73.6 | 64.5 | 58.6 | 48.0 | 30.2 |
Large (> 0.78) (%) | 45.0 | 26.4 | 35.5 | 41.4 | 52.0 | 69.8 |
Blood pressure | ||||||
SBP < 140 & DBP < 90 mmHg (%) | 52.3 | 59.5 | 57.6 | 52.1 | 49.0 | 43.3 |
SBP 140–149 or DBP 90–99 mmHg (%) | 27.0 | 23.3 | 24.6 | 28.1 | 29.0 | 30.2 |
SBP ≥ 150 or DBP ≥ 100 mmHg (%) | 20.7 | 17.2 | 17.8 | 19.8 | 22.0 | 26.5 |
Diabetes (self-reported) | ||||||
Yes (%) | 2.1 | 1.2 | 1.4 | 2.4 | 1.9 | 3.8 |
No (%) | 97.9 | 98.8 | 98.6 | 97.9 | 98.1 | 96.2 |