From: Association between obesity and new-onset heart failure among patients with hypertension in Thailand
Variables | Total | New-onset HF | Univariable | Multivariable Model I* | Multivariable Model II** | |||
---|---|---|---|---|---|---|---|---|
N | n (%) | cRR (95% CI) | p-value | aRR (95% CI) | p-value | aRR (95% CI) | p-value | |
Body mass index (BMI) | Â | Â | Â | Â | Â | Â | Â | Â |
 Continuous (linear) | 35,756 | 75 (0.21) | 1.06 (1.01–1.10) | 0.013 | 1.10 (1.06–1.15) |  < 0.001 | 1.09 (1.05–1.14) |  < 0.001 |
 Continuous (quadratic) | 35,756 | 75 (0.21) | 1.001 (1.001–1.002) | 0.001 | 1.001 (1.001–1.002) |  < 0.001 | 1.001 (1.001–1.002) |  < 0.001 |
BMI category, kg/m2 | Â | Â | Â | Â | Â | Â | Â | Â |
 < 18.50 | 2,248 | 6 (0.27) | 1.54 (0.61–3.90) | 0.364 | 1.10 (0.43–2.82) | 0.833 | 0.98 (0.36–2.69) | 0.969 |
 18.50–22.99 | 9,798 | 17 (0.17) | Ref |  | Ref |  | Ref |  |
 23.00–24.99 | 6,855 | 11 (0.16) | 0.92 (0.43–1.97) | 0.840 | 1.13 (0.53–2.42) | 0.751 | 1.11 (0.50–2.47) | 0.787 |
 25.00–29.99 | 12,035 | 21 (0.17) | 1.01 (0.53–1.91) | 0.986 | 1.46 (0.76–2.80) | 0.262 | 1.57 (0.80–3.07) | 0.186 |
 ≥ 30.00 | 4,820 | 20 (0.41) | 2.39 (1.25–4.56) | 0.008 | 4.21 (2.13–8.32) |  < 0.001 | 3.97 (1.95–8.10) |  < 0.001 |
BMI ≥ 25 kg/m2 |  |  |  |  |  |  |  |  |
 No | 18,901 | 34 (0.18) | Ref. |  | Ref. |  | Ref. |  |
 Yes | 16,855 | 41 (0.24) | 1.35 (0.86–2.13) | 0.193 | 1.96 (1.21–3.17) | 0.006 | 2.05 (1.24–3.39) | 0.005 |
BMI ≥ 30 kg/m2 |  |  |  |  |  |  |  |  |
 No | 30,936 | 55 (0.18) | Ref. |  | Ref. |  |  |  |
 Yes | 4,820 | 20 (0.41) | 2.33 (1.40–3.89) | 0.001 | 3.49 (2.04–5.96) |  < 0.001 | 3.19 (1.83–5.57) |  < 0.001 |