Table 4 Cox proportional hazards analysis of association of obesity categories and risk of hypertension by gender and age groups.
Variables | Age 18–39 years | Age 40–59 years | Age ≥60 years | |||
---|---|---|---|---|---|---|
HR (95% CI)a | HR (95% CI)b | HR (95% CI)a | HR (95% CI)b | HR (95% CI)a | HR (95% CI)b | |
Men | ||||||
BMI (kg/m2) levels | ||||||
Normal weight | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Overweight | 2.13 (1.41–3.22) | 1.85 (1.20–2.86) | 1.92 (1.54–2.38) | 2.15 (1.70–2.71) | 1.15 (0.87–1.51) | 1.19 (0.85–1.68) |
General obesity | 4.15 (2.51–6.84) | 2.93 (1.68–5.11) | 2.13 (1.52–2.99) | 2.34 (1.61–3.40) | 1.31 (0.64–2.66) | 1.24 (0.54–2.83) |
WC (cm) levels | ||||||
Normal WC | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Central obesity | 2.61 (1.78–3.84) | 1.87 (1.23–2.86) | 1.85 (1.49–2.29) | 1.83 (1.45–2.31) | 1.05 (0.75–1.48) | 1.12 (0.75–1.69) |
BMI (kg/m2) /WC (cm) levels* | ||||||
BNWN | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
BOWN | 1.86 (1.14–3.04) | 1.78 (1.06–2.99) | 1.74 (1.34–2.27) | 2.02 (1.53–2.68) | 1.27 (0.91–1.78) | 1.30 (0.86–1.97) |
BNWO | 0 | 0 | 1.79 (0.73–4.36) | 1.12 (0.35–3.53) | 2.15 (0.53–8.72) | 3.61 (0.84–15.57) |
BOWO | 3.20 (2.11–4.86) | 2.29 (1.45–3.62) | 2.20 (1.73–2.79) | 2.32 (1.79–3.00) | 1.07 (0.75–1.53) | 1.13 (0.73–1.73) |
Women | ||||||
BMI (kg/m2) levels | ||||||
Normal weight | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Overweight | 2.25 (1.58–3.19) | 1.95 (1.37–2.79) | 1.59 (1.33–1.90) | 1.57 (1.30–1.89) | 1.14 (0.88–1.48) | 1.24 (0.90–1.70) |
General obesity | 4.58 (3.05–6.89) | 3.13 (2.02–4.84) | 2.08 (1.65–2.62) | 2.13 (1.67–2.72) | 1.05 (0.70–1.59) | 0.99 (0.62–1.59) |
WC (cm) levels | ||||||
Normal WC | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Central obesity | 2.89 (2.10–3.98) | 2.45 (1.77–3.39) | 1.53 (1.30–1.81) | 1.50 (1.26–1.79) | 0.97 (0.76–1.24) | 0.97 (0.72–1.31) |
BMI (kg/m2) /WC (cm) levels* | ||||||
BNWN | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
BOWN | 1.90 (1.03–3.52) | 1.53 (0.82–2.84) | 1.57 (1.17–2.10) | 1.57 (1.14–2.16) | 1.10 (0.60–2.00) | 1.32 (0.67–2.58) |
BNWO | 2.18 (1.20–3.96) | 1.96 (1.07–3.58) | 1.20 (0.87–1.65) | 1.14 (0.81–1.60) | 0.84 (0.60–1.20) | 0.85 (0.55–1.31) |
BOWO | 3.49 (2.45–4.98) | 2.81 (1.96–4.03) | 1.81 (1.50–2.18) | 1.77 (1.45–2.16) | 1.05 (0.80–1.38) | 1.08 (0.78–1.51) |