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

Table 3

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

Label	Coefficient	SE	𝑃	Partial 𝑟^2	Model 𝑟^2
Model 1: body mass index
Intercept	173.44	19.21	<0.001
Body mass index (kg/m^2)	−2.92	0.68	<0.001	0.19	0.19
Model 2: body fat %
Intercept	118.49	7.48	<0.001
Body fat (%)	−1.22	0.32	<0.001	0.16	0.16
Model 3: fat mass and fat-free mass
Intercept	113.08	5.95	<0.001
Fat mass (kg)	−1.05	0.26	<0.001	0.17	0.17

SE: standard error.