Longitudinal relationship between screen time, cardiorespiratory fitness, and waist circumference of children and adolescents: a 3-year cohort study

Table 2 Longitudinal associations between the interaction of screen time and VO_2peak with WC.

	B	SE	t	p	95% CI
	WC (z-scores)
Constant	0.096	0.089	1.074	0.283	-0.079; 0.270
Screen time	-0.0003	< 0.001	-2.625	0.009	-0.001; -0.001
VO_2peak (z-scores)	-0.988	0.056	-17.506	< 0.001	-1.099; -0.877
Interaction	-0.0003	< 0.001	-1.735	0.083	-0.007; -0.0001
PHV	-0.008	0.013	-0.592	0.554	-0.034; 0.018
Ethnicity	-0.016	0.060	-0.266	0.790	-0.134; 0.102
Measurement period	0.049	0.021	2.364	0.018	0.008; 0.089
	F (6, 795) = 159.201; p < 0.001; R² = 0.546

Notes – B: Unstandardized regression coefficients; SE: standard error; CI: Confidence interval; VO_2peak: Peak oxygen uptake; PHV: Peak height velocity

ISSN: 1471-2431