Abdominal Adiposity and Physical Inactivity Are Positively Associated with Breast Cancer: A Case-Control Study

Table 2

Differences in body composition and level of physical activity between cases and controls according to menopausal status.

	Premenopausal			Postmenopausal
Variables	Cases; (n = 45)	Controls; (n = 88)	p¹	Cases; (n = 71)	Controls; (n = 138)	p¹
Body weight (kg)	70.0 ± 13.6	69.4 ± 12.9	0.956	67.9 ± 12.0	68.5 ± 12.7	0.636
Height (m)	1.6 ± 0.06	1.6 ± 0.06	1.000	1.6 ± 0.05	1.6 ± 0.06	0.261
BMI (kg/m^2)	28.1 ± 5.2	27.7 ± 5.3	0.618	28.5 ± 5.2	28.3 ± 4.7	0.759
Waist circumference (cm)	91.9 ± 12.4	87.4 ± 13.2	0.058	93.1 ± 11.2	92.2 ± 11.9	0.780
Waist–height ratio	0.57 ± 0.08	0.55 ± 0.09	0.092	0.60 ± 0.07	0.58 ± 0.07	0.515
Conicity index	1.5 ± 0.11	1.4 ± 0.12	0.003	1.5 ± 0.10	1.5 ± 0.10	0.131
Body fat (%)	45.7 ± 6.5	44.0 ± 6.7	0.103	45.2 ± 6.5	45.9 ± 6.1	0.322
Body lean mass (kg)	36.2 ± 5.9	37.4 ± 6.7	0.070	35.4 ± 4.2	35.2 ± 5.2	0.326
Android fat (%)	48.6 ± 8.2	46.3 ± 9.1	0.111	49.9 ± 6.8	50.4 ± 7.1	0.381
Gynoid fat (%)	52.3 ± 5.8	51.5 ± 5.1	0.338	50.9 ± 5.7	52.1 ± 5.4	0.170
Android–gynoid fat ratio	0.92 ± 0.11	0.89 ± 0.15	0.200	0.98 ± 0.10	0.96 ± 0.10	0.498
MET (min/week)	1120 ± 2274	1754 ± 2348	<0.001	1227 ± 1662	1605 ± 2614	0.157

Nonparametric variables (Shapiro-Wilk test).
^† p < 0.01 controls vs. cases (Mann–Whitney U test).