Table 2 Incidence rates (IR) per 10,000 person-years at risk and unadjusted hazard ratios (HR). n = 6147; AMI = 191
Variable | AMI | Incidence rates | Unadjusted HR | |
|---|---|---|---|---|
n | IR | 95% CI | HR (95% CI) | |
Age | ||||
50–54 | 51 | 15.3 | 11.7–20.4 | 1 (Reference) |
55–59 | 90 | 17.6 | 14.4–21.7 | 1.17 (0.83–1.65) |
60–64 | 50 | 27.9 | 21.3–37.3 | 1.89 (1.21–2.80) |
Education | ||||
Low-Middle | 136 | 20.7 | 17.6–24.6 | 1.40 (1.02–1.91) |
High | 55 | 15.0 | 11.6–19.7 | 1 (Reference) |
Smoking | ||||
Non-smoker | 81 | 13.4 | 10.8–16.8 | 1 (Reference) |
Former smoker | 39 | 18.7 | 13.8–26.1 | 1.41 (0.96–2.06) |
Daily smoker | 71 | 34.1 | 27.2–43.4 | 2.58 (1.88–3.56) |
WHR | ||||
Small (≤0.78) | 78 | 13.6 | 10.6–16.4 | 1 (Reference) |
Large (> 0.78) | 113 | 25.0 | 20.8–30.2 | 1.87 (1.40–2.50) |
Blood pressure (mmHg) | ||||
SBP < 140 & DBP < 90 | 83 | 15.4 | 12.5–19.3 | 1 (Reference) |
SBP 140–149 or DBP 90–99 | 55 | 19.9 | 15.4–26.2 | 1.30 (0.92–1.83) |
SBP ≥ 150 or DBP ≥ 100 | 53 | 25.3 | 19.4–33.5 | 1.66 (1.17–2.34 |
TC/HDL-C ratio | ||||
≤ 3.5 | 74 | 13.3 | 10.7–16.9 | 1 (Reference) |
> 3.5 - ≤ 4.0 | 28 | 17.0 | 11.9–25.2 | 1.28 (0.83–1.98) |
> 4.0 - ≤ 5.0 | 46 | 24.6 | 18.6–33.3 | 1.84 (1.27–2.67) |
> 5.0 | 43 | 36.3 | 27.2–49.7 | 2.75 (1.88–4.02) |
NDI | ||||
Affluent areas | 40 | 12.8 | 9.5–17.8 | 1 (Reference) |
Deprived areas | 151 | 21.2 | 18.1–25.0 | 1.65 (1.16–2.34) |