Association between 90o push-up and cardiorespiratory fitness: cross-sectional evidence of push-up as a tractable tool for physical fitness surveillance in youth

Table 11 Age-, sex-, and weight status-unadjusted model for the associations between measures of musculoskeletal fitness (dependent variable: sit-and-reach)

Model	Predictor variable	VIF	p - value	β	95% CI
Model 1	Trunk lift**	1.023	.002	.205	(.091, .402)
	90^o push-up**	1.314	<.001	.290	(.065, .196)
	Curl-up	1.328	.511	.049	(−.026, .052)

** Indicates statistical significance at the level of p < .01. β Standardized Beta Coefficient, VIF Variance Inflation Factor

ISSN: 1471-2431