| PA correlates (independent variables) | Correlate not present (ref) | Correlate present | Model 1 | Model 2 | % (95% CI) | % (95% CI) | OR | AOR |
| | Daily PA: ≥60 min/day, 7 days/week |
| Obese (BMI ≥ 95th percentile) | 16.2 (14.5, 18.1) | 10.6 (8.2, 13.6) | 0.61*** | 0.76* | Behavioral determinants of PA | | | | | Daily PE classes | 12.4 (10.9, 14.1) | 19.7 (17.2, 22.5) | 1.73*** | 1.40** | Sports team participation | 7.9 (6.7, 9.3) | 19.8 (18.0, 21.6) | 2.88*** | 1.74*** | Environmental support for PA | | | | | Sports equipment at home | 9.1 (7.6, 10.9) | 17.5 (16.1, 19.1) | 2.11*** | 1.24* | Playgrounds/parks close to home | 12.8 (10.8, 15.0) | 16.1 (14.4, 18.0) | 1.31** | 1.10 | Neighborhood safe for PA | 12.0 (10.1, 14.2) | 16.2 (14.7, 17.9) | 1.42*** | 0.73** | Attitude toward PA scale (score: 5–25) | — | — | 1.12*** | 1.05** | Adult support for PA scale (score: 4–20) | — | — | 1.14*** | 1.09*** |
| | Vigorous PA: ≥20 min/day, ≥3 days/week |
| Obese (BMI ≥ 95th percentile) | 70.4 (68.1, 72.6) | 67.8 (64.8, 70.7) | 0.89 | 1.23** | Behavioral determinants of PA | | | | | Daily PE classes | 62.3 (60.1, 64.4) | 82.8 (79.2, 85.8) | 2.91*** | 2.80*** | Sports team participation | 53.4 (49.5, 57.4) | 80.0 (78.4, 81.5) | 3.49*** | 1.92*** | Environmental support for PA | | | | | Sports equipment at home | 57.7 (54.4, 60.9) | 74.7 (72.6, 76.7) | 2.17*** | 1.20* | Playgrounds/parks close to home | 64.4 (61.3, 67.3) | 72.2 (69.9, 74.4) | 1.44*** | 1.12 | Neighborhood safe for PA | 61.8 (59.0, 64.5) | 72.6 (70.3, 74.8) | 1.64*** | 0.94 | Attitude toward PA scale (score: 5–25) | — | — | 1.13*** | 1.08*** | Adult support for PA scale (score: 4–20) | — | — | 1.18*** | 1.12*** |
| | Muscle-strengthening PA: ≥3 days/week |
| Obese (BMI ≥ 95th percentile) | 52.0 (49.4, 54.6) | 45.5 (42.1, 49.0) | 0.77*** | 0.96 | Behavioral determinants of PA | | | | | Daily PE classes | 42.0 (39.9, 44.1) | 65.9 (60.4, 70.9) | 2.67*** | 2.57*** | Sports team participation | 36.0 (33.1, 38.9) | 60.0 (57.5, 62.5) | 2.68*** | 1.53*** | Environmental support for PA | | | | | Sports equipment at home | 40.7 (37.4, 44.1) | 54.8 (52.2, 57.3) | 1.76*** | 1.05 | Playgrounds/parks close to home | 46.3 (43.5, 49.1) | 52.7 (50.0, 55.3) | 1.29*** | 0.98 | Neighborhood safe for PA | 43.9 (40.7, 47.1) | 53.1 (50.2, 56.0) | 1.45*** | 0.84 | Attitude toward PA scale (score: 5–25) | — | — | 1.13*** | 1.08*** | Adult support for PA scale (score: 4–20) | — | — | 1.14*** | 1.10*** |
| | Television: ≥3 hours/day |
| Obese (BMI ≥ 95th percentile) | 26.8 (24.1, 29.7) | 35.1 (31.4, 38.9) | 1.47*** | 1.29* | Behavioral determinants of PA | | | | | Daily PE classes | 28.6 (26.0, 31.3) | 27.8 (23.9, 32.0) | 0.96 | 1.08 | Sports team participation | 34.7 (32.2, 37.3) | 24.2 (21.3, 27.3) | 0.60*** | 0.73*** | Environmental support for PA | | | | | Sports equipment at home | 36.3 (33.2, 39.5) | 24.8 (22.2, 27.5) | 0.58*** | 0.79** | Playgrounds/parks close to home | 30.5 (27.7, 33.4) | 27.0 (24.1, 30.2) | 0.84* | 0.93 | Neighborhood safe for PA | 33.7 (30.9, 36.7) | 26.2 (23.3, 29.3) | 0.70*** | 1.05 | Attitude toward PA scale (score: 5–25) | — | — | 0.95*** | 0.96*** | Adult support for PA scale (score: 4–20) | — | — | 0.96*** | 0.99 |
| | Computer/video games: ≥3 hours/day |
| Obese (BMI ≥ 95th percentile) | 23.2 (21.5, 25.0) | 25.2 (21.7, 29.0) | 1.11 | 1.05 | Behavioral determinants of PA | | | | | Daily PE classes | 23.8 (21.9, 25.9) | 22.9 (20.6, 25.4) | 0.95 | 0.96 | Sports team participation | 30.0 (27.7, 32.5) | 19.2 (17.5, 21.0) | 0.55*** | 0.67*** | Environmental support for PA | | | | | Sports equipment at home | 29.8 (26.8, 33.0) | 20.8 (19.0, 22.6) | 0.62*** | 0.82 | Playgrounds/parks close to home | 25.4 (22.8, 28.1) | 22.5 (20.9, 24.1) | 0.85* | 1.03 | Neighborhood safe for PA | 26.9 (24.6, 29.4) | 22.1 (20.3, 24.0) | 0.77*** | 1.03 | Attitude toward PA scale (score: 5–25) | — | — | 0.93*** | 0.95*** | Adult support for PA scale (score: 4–20) | — | — | 0.93*** | 0.96* |
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