. Author manuscript; available in PMC: 2013 Mar 15.

Published in final edited form as: Int J Cancer. 2011 Aug 2;130(6):1411–1419. doi: 10.1002/ijc.26161

Table 3.

Joint associationof current BMI and waist circumference on thyroid cancer risk in men and women, NIH-AARP Diet and Health Study (1996–2006)

Body mass index category	Waist circumference category	Men		Women
Body mass index category	Waist circumference category	Cases	HR (95% CI)^a	Cases	HR (95% CI)^a
Normal (18.5–24.9 kg/m²)	Normal (≤102 cm in men; ≤88 cm in women)	23	1.00 (Reference)	35	1.00 (Reference)
	Large (>102 cm in men; >88 cm in women)	1	1.35 (0.18–10.03)	6	2.03 (0.85–4.83)
Overweight (25.0–29.9 kg/m²)	Normal (≤102 cm in men; ≤88 cm in women)	35	1.37 (0.81–2.32)	15	1.25 (0.68–2.28)
	Large (>102 cm in men; >88 cm in women)	22	2.19 (1.22–3.94)	19	1.56 (0.89–2.73)
Obese (≥30.0 kg/m²)	Normal (≤102 cm in men; ≤88 cm in women)	3	1.30 (0.39–4.35)	4	2.52 (0.89–7.11)
	Large (>102 cm in men; >88 cm in women)	22	2.13 (1.18–3.85)	23	1.91 (1.13–3.25)

Adjusted for race/ethnicity, education, and smoking status