Table 2 Hazard ratios and 95% confidence intervals of potential risk factors in whole population
Variables | Cumulative Incidence of Obesity (95% CI) | Incidence rate (in 1000 person year) | Un-adjusted HR (95% CI) | Adjusted HRa (95% CI) |
|---|---|---|---|---|
Total | 17.0 (14.1–20.4) | 11.8 (9.7–14.4) | – | |
Gender | ||||
Boys | 19.6 (15.4–24.8) | 14.3 (10.9–18.7) | 1 | 1 |
Girls | 14.5 (10.9–19.1) | 9.7 (7.2–13.1) | 0.70 (0.47–1.05) | 0.72 (0.48–1.07) |
Weight groups | ||||
Normal weight | 7.7 (5.6–10.5) | 4.8 (3.5–6.7) | 1 | 1 |
Overweight | 56.7 (47.6–66.2) | 68.8 (53.5–88.4) | 13.48 (8.88–20.46) | 14.93 (9.82–22.70) |
WC ≥ 90th | ||||
No | 14.9 (12.1–18.3) | 10.1 (8.1–12.6) | 1 | 1 |
Yes | 43.9 (30.4–60.3) | 50.3 (32.7–79.8) | 4.49 (2.68–7.50) | 5.05 (3.01–8.48) |
FPG ≥ 100 (mg/dl) | ||||
No | 16.8 (13.8–20.4) | 11.7 (9.5–14.5) | 1 | 1 |
Yes | 18.7 (9.4–35.2) | 14.7 (6.5–28.8) | 1.13 (0.52–2.44) | 1.25 (0.57–2.69) |
TG ≥ 110 (mg/dl) | ||||
No | 16.6 (13.3–20.6) | 11.6 (9.1–14.7) | 1 | 1 |
Yes | 17.5 (12.2–24.8) | 12.1 (8.2–17.9) | 1.07 (0.68–1.70) | 1.17 (0.74–1.86) |
HDL-C < 40 (mg/dl) | ||||
No | 16.1 (12.8–20.2) | 11.2 (8.7–14.4) | 1 | 1 |
Yes | 18.9 (13.6–25.9) | 13.3 (9.3–19.1) | 1.21 (0.78–1.87) | 1.20 (0.77–1.86) |
Hypertension | ||||
No | 14.8 (11.6–18.9) | 10.4 (7.9–13.5) | 1 | 1 |
Yes | 21.8 (16.6–28.3) | 15.2 (11.2–20.6) | 1.53 (1.02–2.29) | 1.35 (0.90–2.03) |
MetS | ||||
No | 15.5 (12.6–19.0) | 10.6 (8.5–13.3) | 1 | 1 |
Yes | 35.0(22.4–51.8) | 31.28 (18.0–52.8) | 2.84 (1.61–5.02) | 2.77 (1.57–4.89) |
Paternal obesity | ||||
Non-obese | 14.1 (10.8–18.3) | 9.1 (6.9–12.1) | 1 | 1 |
Obese | 33.9 (23.6–47.1) | 26.8 (17.5–41.1) | 2.83 (1.70–4.72) | 2.69 (1.61–4.50) |
Maternal obesity | ||||
Non-obese | 12.2 (9.2–16.1) | 7.7 (5.7–10.4) | 1 | 1 |
Obese | 28.0 (21.3–36.4) | 21.6 (15.7–29.7) | 2.69 (1.74–4.16) | 3.04 (1.96–4.72) |
Paternal educational level | ||||
Diploma or lower than diploma | 17.1 (13.6–21.4) | 11.9 (9.3–15.3) | 1 | 1 |
Higher than diploma | 18.4 (11.3–29.1) | 12.7 (7.5–21.5) | 1.07 (0.60–1.90) | 1.11 (0.62–1.99) |
Maternal educational level | ||||
Diploma or lower than diploma | 17.1 (14.0–20.8) | 11.7 (9.4–14.5) | 1 | 1 |
Higher than diploma | 19.3 (11.2–32.1) | 16.3 (9.1–29.5) | 1.25 (0.67–2.35) | 1.20 (0.64–2.26) |