Table 5.
Hazard ratios (HRs) and 95% confidence intervals (CI) for hypertension according to obesity defined as body fat percentage (BF%) and Waist‐to‐Hip Ratio (WHR) subgroup
| Characteristics | Group 1 | Group 2 | Group 3 | Group 4 |
|---|---|---|---|---|
| WHR and BF% | ||||
| Men | ||||
| Unadjusted HR | 1.00 (Reference) | 1.32 (1.07‐1.63) | 1.63 (1.31‐2.03) | 2.08 (1.72‐2.50) |
| Model 1 | 1.00 (Reference) | 1.34 (1.08‐1.68) | 1.15 (0.90‐1.47) | 1.62 (1.31‐1.99) |
| Incidence cases | 250 | 129 | 115 | 199 |
| Incidence density | 31.5 | 41.1 | 51.2 | 63.5 |
| Women | ||||
| Unadjusted HR | 1.00 (Reference) | 1.42 (1.10‐1.83) | 2.29 (1.85‐2.84) | 3.07 (2.49‐3.78) |
| Model 1 | 1.00 (Reference) | 1.38 (1.05‐1.80) | 1.24 (0.96‐1.62) | 1.67 (1.30‐2.15) |
| Incidence cases | 149 | 97 | 192 | 217 |
| Incidence density | 19.7 | 27.5 | 44.6 | 57.4 |
Incidence density: incidence cases per 1000 person‐year. Model 1: adjusted for age, study area (Ansan or Ansung), diabetes mellitus (baseline, follow‐up), regular exercise, smoking, alcohol intake, HOMA‐IR, CRP, HDL‐C, total calorie intake, sodium intake. Group 1: low BMI (<25 kg/m2) + low BF % (<22.5% in men, <32.5% in women). Group 2: low BMI (<25 kg/m2) + high BF % (≥22.5% in men, ≥32.5% in women. Group 3: high BMI (≥25 kg/m2) + low BF % (<22.5% in men, <32.5% in women). Group 4: high BMI (≥25 kg/m2) + high BF % (≥22.5% in men, ≥32.5% in women).