The Impact of Obesity on Back and Core Muscular Endurance in Firefighters

Table 4

Multivariable stepwise regression models for core muscular endurance displaying significant independent variables.

Label	Coefficient	SE	𝑃	Partial 𝑟^2	Model 𝑟^2
Model 1: body mass index
Intercept	324.49	41.92	<0.001
Body mass index (kg/m^2)	−8.62	1.55	<0.001	0.22	0.22
Age (y)	1.64	0.61	0.009	0.07	0.29
Model 2: body fat %
Intercept	173.22	21.68	<0.001
Body fat (%)	−4.36	0.68	<0.001	0.27	0.27
Age (y)	1.81	0.58	0.003	0.08	0.34
Model 3: fat mass and fat-free mass
Intercept	158.42	20.41	<0.001
Fat mass (kg)	−3.71	0.55	<0.001	0.31	0.31
Age (y)	1.65	0.56	0.004	0.07	0.37

SE: standard error.