Table 1. The Prevalence of Physical Activity in 2010–11 by Study Covariates Assessed in 2008–09 Among Participants Who Completed Inadequate MVPA in 2008–09 (N = 711).

	N (%)	Physical Activity		P
		SLB	MVPA
		N (%)	N (%)
Overall	711 (100.0)	509 (71.6)	202 (28.4)
Gender				0.002
Female	403 (56.7)	307 (76.0)	96 (24.0)
Male	308 (43.3)	202 (65.5)	106 (34.5)
Age (years)				0.613
≤ 13	179 (25.2)	120 (67.3)	59 (32.7)
14	232 (32.6)	173 (74.6)	59 (25.4)
15	216 (30.8)	151 (69.9)	65 (30.1)
≥ 16	84 (11.8)	65(77.4)	19 (22.6)
Mean (SD)	14.3 (1.1)	14.3 (1.0)	14.2 (1.0)
Country of birth				0.620
Mexico	174 (24.5)	122 (70.1)	52 (29.9)
USA	537 (75.5)	387 (72.1)	150 (27.9)
Parental educational attainment				0.923
< High school	463 (66.3)	331 (71.5)	132 (28.5)
High school	117 (16.7)	83 (70.9)	34 (29.1)
> High school	119 (17.0)	87 (73.1)	32 (26.9)
Linguistic acculturation				0.199
Lowest	216 (30.6)	162 (75.0)	54 (25.0)
Medium	304 (43.1)	207 (68.1)	97 (31.9)
Highest	185 (26.3)	135 (73.0)	50 (27.0)
Mean (SD)	3.49 (0.7)	3.49 (0.7)	3.49 (0.7)	0.536
Family cohesion
Low	407 (57.3)	306 (75.2)	101 (24.8)	0.013
High	303 (42.7)	202 (66.7)	101 (33.3)
Mean (SD)	3.08 (0.5)	3.06 (0.5)	3.15 (0.5)	0.011
Family conflict
Low	354 (49.9)	253 (71.5)	101 (28.5)	0.981
High	355 (50.1)	254 (71.5)	101 (28.5)
Mean (SD)	2.61 (0.6)	2.60 (0.6)	2.63 (0.5)	0.742
Thrill & adventure seeking
Mean (SD)	6.5 (3.3)	6.26 (3.3)	7.16 (3.2)	0.001
Range	0–12	0–12	0–12
Social disinhibition				0.084
Mean (SD)	3.16 (1.7)	3.10 (1.7)	3.26 (1.7)
Range	0–7	0–7	0–7
Subjective social status				0.013
Mean (SD)	7.75 (1.5)	7.66 (1.5)	7.94 (1.5)
Range	1–10	1–10	1–10
Anxiety				0.010
Mean (SD)	38.61 (9.5)	39.12 (9.6)	37.31 (9.0)
Range	20-71	20–71	20–71

Abbreviations: MVPA, moderate-to-vigorous physical activity; SLB, sedentary and light behavior.