Table 3.

Effects of the Social Environment on Moderate-to-Vigorous-Physical Activity in Children’s Playgrounds.

Explanatory Factors	Overall				Girls				Boys
	Beta	SE	t	p	Beta	SE	t	p	Beta	SE	t	p
Intercept	1.35	0.38	3.55	0.001 *	0.69	0.60	1.14	0.258	1.97	0.48	4.10	<0.001 *
Playground density	−4.37	11.19	−0.39	0.697	−17.24	18.29	−0.94	0.348	7.31	14.39	0.51	0.613
Group size
Medium (5 to 9 persons)	−0.33	0.44	−0.74	0.460	−0.41	0.75	−0.55	0.580	−0.22	0.56	−0.40	0.688
Small (2 to 4 persons)	−0.26	0.21	−1.25	0.212	−0.29	0.32	−0.89	0.376	−0.23	0.26	−0.87	0.384
Alone (without others) (ref.)
Active children	0.10	0.06	1.76	0.080	0.26	0.08	3.09	0.003 *	0.11	0.06	1.74	0.084
Same-sex children	−0.05	0.05	−1.10	0.273	−0.04	0.08	−0.47	0.642	−0.07	0.06	−1.13	0.260
Opposite-sex children	0.01	0.06	0.22	0.823	−0.19	0.08	−2.45	0.016 *	0.02	0.06	0.40	0.693
Same-sex adults	−0.07	0.07	−0.96	0.338	−0.05	0.09	−0.59	0.558	−0.26	0.14	−1.83	0.069
Opposite-sex adults	−0.04	0.06	−0.64	0.526	0.10	0.15	0.69	0.491	−0.03	0.07	−0.43	0.665
Gender	−0.27	0.26	−1.05	0.297
Gender * Active children	0.17	0.08	2.21	0.028 *
Gender * Opposite-sex children	−0.21	0.08	−2.50	0.013 *
Scale	0.97	0.08			0.83	0.09			1.23	0.14

Note: SE = standard error; ref. = reference; * p < 0.05; models were adjusted for rainfall and temperature; Data was weighted using the complex sample procedure.