Comparison of body composition parameters in the study of the association between body composition and pulmonary function

Table 4 Linear regression analysis in women

	Unadjusted model		p-value	R²	Adjusted model*		p-value	R²
	β	95% CI	p-value	R²	β	95% CI	p-value	R²
FEV1
BMI SD	− 0.046	(− 0.071, − 0.022)	< 0.001	0.015	− 0.030	(− 0.054, − 0.006)	0.014	0.073
WC SD	− 0.038	(− 0.065, − 0.011)	0.007	0.008	− 0.017	(− 0.045, 0.010)	0.220	0.068
WHtR SD	− 0.083	(− 0.107, − 0.059)	< 0.001	0.047	− 0.064	(− 0.088, − 0.039)	< 0.001	0.092
FM-BODPOD SD	− 0.089	(− 0.121, − 0.057)	< 0.001	0.032	− 0.071	(− 0.103, − 0.039)	< 0.001	0.086
FM-DXA SD	− 0.076	(− 0.113, − 0.039)	< 0.001	0.020	− 0.061	(− 0.099, − 0.024)	0.001	0.071
FVC
BMI SD	− 0.053	(− 0.085, − 0.021)	0.001	0.011	− 0.035	(− 0.067, − 0.003)	0.033	0.054
WC SD	− 0.029	(− 0.065, 0.008)	0.120	0.003	− 0.005	(− 0.042, 0.032)	0.783	0.049
WHtR SD	− 0.098	(− 0.130, − 0.066)	< 0.001	0.038	− 0.077	(− 0.110, − 0.044)	< 0.001	0.071
FM-BODPOD SD	− 0.107	(− 0.150, − 0.065)	< 0.001	0.027	− 0.086	(− 0.129, − 0.043)	< 0.001	0.064
FM-DXA SD	− 0.097	(− 0.146, − 0.048)	< 0.001	0.020	− 0.076	(− 0.126, − 0.026)	0.003	0.059

^*Model adjusted for skin color, education level, occupation, smoking, physical activity, and asthma. 95% CI: 95% confidence interval; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity; SD: standard deviation; BMI: body mass index; WC: waist circumference; WHtR: waist–height ratio; FM-BODPOD: fat mass measured by BOD POD; FM-DXA: fat mass measured by DXA

ISSN: 1471-2466