. Author manuscript; available in PMC: 2021 Apr 1.

Published in final edited form as: J Sci Med Sport. 2019 Nov 1;23(4):385–389. doi: 10.1016/j.jsams.2019.10.017

Table 2.

Results from Repeated Measures Linear Regression Analysis of Sport Participation and Physical Activity from 7^th to 9^th Grade for the Total Group (n=306).

Physical Activity (min/hr)	Sport Participants		Non-Participants		Sport Participation		Grade
	7^th Grade (n=227)	9^th Grade (n=79)	7^th Grade (n=79)	9^th Grade (n=123)	d	p-value	d	p-value
Total Physical Activity	23.3 (0.3)	20.7 (0.5)	21.3 (0.5)	18.5 (0.4)	0.38	<0.0001	−0.56	<0.0001
MVPA	2.7 (0.1)	1.8 (0.2)	2.0 (0.2)	1.6 (0.2)	0.26	0.0004	−0.38	<0.0001
Sedentary	36.9 (0.3)	39.8 (0.4)	38.4 (0.5)	41.7 (0.4)	−0.37	<0.0001	0.68	<0.0001

Data is shown as Least Square Means (SE).

d = effect size d.

Bolded p-values (<0.05) indicate significant result.

Controlling for race/ethnicity, parent education, gender and maturity.

Children nested in middle school.

MVPA, moderate-to-vigorous physical activity.