Table 5.
Girls (n = 585) – comparison of moderate-to-vigorous physical activity and time spent sedentary (minutes per day) between school and summer
| Timepoint | Est | (95CI) | Between Income to Poverty Groups | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Within a | School | Summer | Interactions b | |||||||||||||||
| Diff | (95CI) | Contrast | Diff | (95CI) | Diff | (95CI) | Diff | (95CI) | ||||||||||
| Moderate to Vigorous Physical Activity | ||||||||||||||||||
| Overall c | Summer | 51.2 | (48.8, | 53.7) | 6.2 (5.4, 7.0) | |||||||||||||
| School | 57.4 | (55.0, | 59.9) | |||||||||||||||
| Ratio of Income to Poverty Group d | ||||||||||||||||||
| Low-Income (≤ 2.0) | Summer | 50.4 | (47.4, | 53.4) | 6.9 (5.6, 8.3) | L v M | -0.2 | (-2.7, | 2.3) | 1.9 | (-0.7, | 4.5) | NS | |||||
| School | 57.3 | (54.3, | 60.3) | L v H | -0.2 | (-3.1, | 2.6) | 0.4 | (-2.4, | 3.3) | NS | |||||||
| Middle-Income (2.0 to 3.0) | Summer | 52.3 | (49.3, | 55.4) | 4.8 (3.1, 6.5) | M v H | 0.0 | (-2.3, | 2.2) | -1.5 | (-3.9, | 0.9) | NS | |||||
| School | 57.1 | (54.1, | 60.1) | |||||||||||||||
| High-Income (> 3.0) | Summer | 50.8 | (47.8, | 53.8) | 6.3 (5.0, 7.5) | |||||||||||||
| School | 57.1 | (54.1, | 60.1) | |||||||||||||||
| Time Spent Sedentary | ||||||||||||||||||
| Overall c | Summer | 509.7 | (500.2, | 519.3) | -2.7 (-5.7, 0.4) | |||||||||||||
| School | 507.1 | (497.6, | 516.5) | |||||||||||||||
| Ratio of Income to Poverty Group d | ||||||||||||||||||
| Low-Income (≤ 2.0) | Summer | 516.6 | (505.1, | 528.2) | -13.5 (-18.6, -8.5) | L v M | 2.9 | (-6.5, | 12.2) | -8.1 | (-17.8, | 1.7) | 20.6 | (13.6, | 27.5) | |||
| School | 503.1 | (491.7, | 514.5) | L v H | 9.8 | (-0.6, | 20.1) | -10.8 | (-21.4, | -0.2) | 10.9 | (2.7, | 19.2) | |||||
| Middle-Income (2.0 to 3.0) | Summer | 508.6 | (496.9, | 520.2) | -2.6 (-9.0, 3.8) | M v H | 6.9 | (-1.6, | 15.3) | -2.7 | (-11.6, | 6.1) | ||||||
| School | 506.0 | (494.6, | 517.4) | |||||||||||||||
| High-Income (> 3.0) | Summer | 505.8 | (494.3, | 517.4) | 7.0 (2.3, 11.8) | |||||||||||||
| School | 512.9 | (501.4, | 524.3) | |||||||||||||||
a Positive within values represent greater minutes per day during school compared to summer
b Income to Poverty Group – x – School vs. Summer interaction
c Controlling for age (years) and ratio of income to poverty
d Controlling for age (years)
GREYED values represent differences where the 95% confidence intervals do not include zero
Abbreviations: L = Low-Income; M = Middle-Income; H = High-Income