TABLE 5.
Preassessment and postassessment of MVPA minutes (n = 3686).a
| Control (n= 1800) |
Intervention (n= 1886) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Minutes of MVPA at Sixth Grade |
Minutes of MVPA at Eighth Grade |
Minutes of MVPA at Sixth Grade |
Minutes of MVPA at Eighth Grade |
|||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | P | ||
| Overall | 94.4 | 73.1 | 87.0 | 72.0 | 101.2 | 74.3 | 93.3 | 74.9 | 0.2520 | |
| Male | All | 114.8 | 79.6 | 114.1 | 78.3 | 119.1 | 80.4 | 123.4 | 80.9 | 0.2107 |
| Hispanic | 123.7 | 78.5 | 117.3 | 81.8 | 125.8 | 81.1 | 125.0 | 83.0 | 0.3066 | |
| Black | 111.0 | 85.9 | 107.7 | 74.4 | 117.9 | 80.9 | 123.3 | 77.1 | 0.1344 | |
| White | 95.6 | 75.0 | 110.4 | 71.4 | 102.0 | 75.8 | 118.9 | 79.2 | 0.7161 | |
| Female | All | 75.9 | 61.1 | 62.3 | 55.1 | 84.8 | 64.1 | 65.9 | 56.3 | 0.4949 |
| Hispanic | 79.5 | 61.2 | 61.3 | 54.3 | 86.9 | 63.7 | 65.2 | 57.3 | 0.8219 | |
| Black | 70.9 | 64.9 | 56.3 | 55.6 | 86.4 | 66.8 | 66.0 | 53.5 | 0.2822 | |
| White | 71.1 | 57.6 | 68.6 | 56.2 | 74.7 | 61.1 | 68.6 | 56.7 | 0.6194 | |
| BMI <85th percentile | 93.3 | 73.8 | 86.5 | 72.4 | 99.2 | 75.0 | 92.5 | 76.6 | 0.3609 | |
| Male | All | 115.1 | 80.6 | 116.3 | 78.1 | 121.9 | 82.0 | 125.3 | 82.8 | 0.4322 |
| Hispanic | 124.4 | 81.1 | 123.8 | 80.4 | 127.9 | 84.7 | 126.0 | 83.6 | 0.8185 | |
| Black | 106.5 | 82.5 | 101.6 | 76.0 | 121.1 | 82.7 | 121.9 | 80.6 | 0.2114 | |
| White | 100.8 | 76.5 | 109.1 | 73.2 | 110.0 | 74.5 | 127.9 | 84.1 | 0.3405 | |
| Female | All | 76.1 | 62.8 | 63.1 | 57.7 | 81.0 | 63.3 | 66.0 | 59.1 | 0.5311 |
| Hispanic | 78.4 | 62.7 | 60.0 | 56.9 | 84.9 | 63.0 | 63.4 | 57.8 | 0.6057 | |
| Black | 77.0 | 68.3 | 58.1 | 55.9 | 80.2 | 68.0 | 70.9 | 60.9 | 0.2012 | |
| White | 70.9 | 60.0 | 71.9 | 59.6 | 69.0 | 57.4 | 68.5 | 61.3 | 0.4241 | |
| BMI ≥85th percentile | 95.6 | 72.5 | 87.4 | 71.5 | 103.1 | 73.7 | 94.2 | 73.2 | 0.2417 | |
| Male | All | 114.7 | 78.9 | 112.3 | 78.5 | 116.8 | 79.1 | 121.7 | 79.4 | 0.1637 |
| Hispanic | 123.2 | 76.7 | 112.3 | 82.6 | 124.3 | 78.7 | 124.4 | 82.8 | 0.1058 | |
| Black | 115.3 | 89.4 | 113.5 | 73.0 | 113.6 | 78.7 | 125.1 | 72.6 | 0.3181 | |
| White | 90.1 | 73.4 | 111.8 | 69.8 | 92.9 | 76.6 | 108.8 | 72.4 | 0.8872 | |
| Female | All | 75.7 | 59.1 | 61.3 | 52.1 | 89.0 | 64.8 | 65.9 | 53.2 | 0.6858 |
| Hispanic | 80.6 | 59.8 | 62.8 | 51.6 | 89.1 | 64.4 | 67.0 | 56.9 | 0.9773 | |
| Black | 65.1 | 61.5 | 54.5 | 55.6 | 92.6 | 65.4 | 61.1 | 44.7 | 0.9717 | |
| White | 71.4 | 54.0 | 63.5 | 50.4 | 82.6 | 65.6 | 68.8 | 50.0 | 0.9693 | |
a
P values represent comparisons between intervention and control groups with the model adjusted for baseline values, family history of diabetes, year 8 Tanner stage, and parental education. Square root transformation of minutes was used for analysis.