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. 2019 Sep 9;21(10):1496–1504. doi: 10.1111/jch.13667

Table 4.

Hazard ratios (HRs) and 95% confidence intervals (CI) for hypertension according to obesity defined as body fat percentage (BF%) and Waist Circumference subgroup

Characteristics Group 1 Group 2 Group 3 Group 4
Waist circumference and BF%
Men
Unadjusted HR 1.00 (Reference) 1.28 (1.07‐1.53) 1.84 (1.19‐2.86) 2.08 (1.71‐2.53)
Model 1 1.00 (Reference) 1.31 (1.08‐1.58) 1.56 (0.99‐2.45) 1.80 (1.45‐2.24)
Incidence cases 344 189 21 139
Incidence density 34.9 44.1 64.1 70.0
Women
Unadjusted HR 1.00 (Reference) 1.18 (0.96‐1.46) 1.50 (1.15‐1.96) 2.32 (1.92‐2.80)
Model 1 1.00 (Reference) 1.24 (0.99‐1.55) 0.96 (0.71‐1.29) 1.54 (1.24‐1.90)
Incidence cases 275 133 66 181
Incidence density 26.7 31.1 42.2 59.6

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).