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. 2013 Jun 18;12:31. doi: 10.1186/1476-072X-12-31

Table 1.

Individual-level characteristics of study sample (n = 6,626)

Variable N (%)
Gender
 
 Male
3296 (49.7)
 Female
3330 (50.3)
Age
 
 ≤11 years
1134 (17.1)
 12 years
1524 (23.0)
 13 years
1428 (21.6)
 14 years
1199 (18.1)
 ≥15 years
1341 (20.2)
Race
 
 Caucasian
4857 (73.3)
 Other
1769 (26.7)
Family socioeconomic status
 
 High
1531 (23.6)
 Medium-high
2105 (31.8)
 Low-medium
2304 (34.8)
 Low
656 (9.9)
Days per typical week physically active ≥ 60 min
 
 0
194 (2.9)
 1
353 (5.3)
 2
619 (9.3)
 3
964 (14.6)
 4
1036 (15.6)
 5
1286 (19.4)
 6
1022 (15.4)
 7 1152 (17.4)