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Table 3 Multivariable hazard ratios (HR) and 95% confidence intervals (CI) of different anthropometric indices (as categorical variables) for incident sudden cardiac death (SCD) among participants without diabetes: Tehran Lipid and Glucose Study, Iran, 1999–2018

From: Anthropometric indices and the risk of incident sudden cardiac death among adults with and without diabetes: over 15 years of follow-up in The Tehran Lipid and Glucose Study

  Quartile range E/N Model 1 Model 2
HR (95% CI) p-value HR (95% CI) p-value
BMI
 First quartile < 23.4 Kg/m2 35/2283 Reference   Reference  
 Second quartile 23.4–26.3 Kg/m2 34/2265 0.78 (0.48–1.24) 0.293 0.85 (0.53–1.38) 0.510
 Third quartile 26.3–29.4 Kg/m2 39/2274 0.97 (0.62–1.54) 0.912 0.99 (0.62–1.60) 0.982
 Fourth quartile 29.4 Kg/m2 36/2267 1.20 (0.74–1.95) 0.458 1.19 (0.71–2.00) 0.506
 P-value for trend     0.338   0.426
WC
 First quartile < 80 cm 18/2348 Reference   Reference  
 Second quartile 80–88 cm 36/2443 1.04 (0.59–1.83) 0.902 1.11 (0.63–1.98) 0.713
 Third quartile 89–97 cm 37/2170 1.01 (0.57–1.78) 0.966 1.08 (0.61–1.94) 0.787
 Fourth quartile 97 cm ≤ 53/2128 1.39 (0.81–.38) 0.233 1.43 (0.81–2.51) 0.214
 P-value for trend     0.156   0.176
WHR
 First quartile < 0.81 6/2281 Reference   Reference  
 Second quartile 0.81–0.87 19/2277 1.43 (0.56–3.62) 0.453 1.36 (0.54–3.45) 0.513
 Third quartile 0.870.93 43/2266 1.88 (0.77–4.55) 0.164 1.78 (0.74–4.32) 0.200
 Fourth quartile 0.93 ≤ 76/2265 1.90 (0.78–4.62) 0.155 1.75 (0.72–4.26) 0.215
 P-value for trend     0.135   0.207
WHtR
 First quartile < 0.48 18/2281 Reference   Reference  
 Second quartile 0.48–0.54 31/2269 1.05 (0.59–1.88) 0.870 1.10 (0.61–1.99) 0.748
 Third quartile 0.54–0.59 44/2268 1.23 (0.70–2.14) 0.471 1.31 (0.74–2.32) 0.354
 Fourth quartile 0.59 ≤ 51/2271 1.64 (0.93–2.87) 0.085 1.65 (0.92–2.98) 0.096
 P-value for trend     0.041   0.055
HC
 First quartile < 95 cm 51/2381 Reference   Reference  
 Second quartile 95–101 cm 43/2519 0.98 (0.65–1.47) 0.905 1.01 (0.67–1.54) 0.951
 Third quartile 101–107 cm 28/2128 1.13 (0.70–1.82) 0.618 1.14 (0.70–1.85) 0.609
 Fourth quartile 107 cm ≤ 22/2061 1.37 (0.77–2.42) 0.284 1.36 (0.75–2.47) 0.305
 P-value for trend     0.311   0.327
  1. E event, N number, BMI body mass index, WC waist circumference, WHR waist-to-hip ratio, WHtR waist-to-height ratio, HC hip circumference, CVD cardiovascular disease
  2. Model 1 was adjusted for age and sex. Model 2 was further adjusted for current smoking, education level, positive history of cardiovascular disease, family history of premature cardiovascular disease, hypertension, hypercholesterolemia, low physical activity, FPG level, and pulse rate