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. Author manuscript; available in PMC: 2015 Sep 1.

Published in final edited form as: Ann Epidemiol. 2014 Jun 17;24(9):655–659. doi: 10.1016/j.annepidem.2014.06.004

Table 2.

Mean monthly frequency of sexual intercourse by body mass index and waist-to-hip ratio categories

	Month 1 (N=142)		Month 2 (N=136)		Month 3 (N=116)

	Mean	St dev	Mean	St dev	Mean	St dev

BMI^a
< 25.0	5.4	5.2	5.7	5.7	5.0	4.7
25.0–29.9	6.9	4.5	8.1	5.3	7.9	5.1
≥ 30.0	5.1	4.7	5.8	4.8	5.9	5.4

WHR^b
< 0.85	5.2	4.6	5.6	5.0	5.5	4.7
≥ 0.85	6.4	5.3	7.6	5.8	7.2	5.9

^a

BMI = Body mass index. BMI calculated as kg/m².

^b

WHR=Waist-to-hip ratio. WHR calculated as waist circumference divided by hip circumference.