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Table 5 Child physical activity measured by accelerometry for all centers combined and by high and low scoring centers at baseline

From: Active Early: one-year policy intervention to increase physical activity among early care and education programs in Wisconsin

  Baseline (n = 231) 6-month (n = 324) 12-month (n = 292) Δ Baseline to 12-month (n = 66 matched pairs)d p-value*
Total minutes measured 420.9 ± 114.6 381.3 ± 142.0 420.4 ± 113.4 −16.7 ± 127.0  
Sedentary, % time (minutes)a 60.5 ± 11.6 (254.6 ± 13.3) 59.4 ± 11.8 (226.5 ± 16.8) 60.0 ± 11.8 (252.2 ± 13.4) −4.4 ± 14.6 (−29.2 ± 2.6) 0.02
 High scoring centersb 59.0 ± 12.0 (248.3 ± 12.5) 58.7 ± 11.9 (223.8 ± 16.9) 58.9 ± 11.6 (247.6 ± 13.2) −0.2 ± 13.5 (−4.2 ± 4.2) 0.04
 Low scoring centersc 62.1 ± 10.9 (261.4 ± 11.4) 60.0 ± 11.7 (228.8 ± 16.6) 60.9 ± 11.9 256.0 ± 13.5) −7.9 ± 14.8 (−49.4 ± 7.8)
Light activity, % time (minutes) 37.2 ± 10.8 (156.6 ± 12.4) 37.4 ± 10.7 (142.6 ± 15.2) 36.5 ± 10.6 (153.4 ± 12.2) 1.5 ± 13.4 (−0.30 ± 3.4) 0.30
 High scoring centers 38.3 ± 10.8 (161.2 ± 12.3) 37.9 ± 10.5 (144.5 ± 14.9) 37.6 ± 10.9 (158.1 ± 12.4) −1.8 ± 13.4 (−10.6 ± 4.3) 0.08
 Low scoring centers 36.0 ± 10.7 (151.5 ± 12.3) 36.9 ± 10.9 (129.7 ± 15.5) 35.4 ± 10.3 (148.8 ± 11.7) 4.3 ± 12.8 (7.6 ± 5.6)
MVPA, % time (minutes) 2.3 ± 2.3 (9.6 ± 2.4) 3.3 ± 2.5 (12.6 ± 3.6) 3.5 ± 2.5 (14.7 ± 2.8) 2.9 ± 3.0 (12.0 ± 1.7) <0.001
 High scoring centers 2.6 ± 2.8 (10.9 ± 3.2) 3.4 ± 2.9 (12.9 ± 4.1) 3.5 ± 2.1 (14.7 ± 2.4) 2.0 ± 2.5 (8.9 ± 0.2) 0.04
 Low scoring centers 1.90 ± 1.7 (8.0 ± 1.9) 3.2 ± 2.1 (12.2 ± 2.9) 3.6 ± 2.9 (15.1 ± 3.2) 3.6 ± 3.2 (14.5 ± 2.6)
  1. Data represent the mean ± standard deviation. Significance was set at 0.05. PA = physical activity; PA-EPAO = Physical Activity Environment and Policy Assessment Observation; MVPA = moderate to vigorous physical activity
  2. a% time is calculated from total minutes of measured activity. Approximate minutes are reported in parentheses
  3. bFor high-scoring centers (PA-EPAO ≥ 11.2 at baseline), n = 120 at baseline, n = 148 at 6-month, n = 137 at 12-month
  4. cFor low-scoring centers (PA-EPAO < 11.2 at baseline), n = 111 at baseline, n = 176 at 6-month, n = 155 at 12-month
  5. dOnly children who were present for both the baseline and 12-month measurement were included in the Δ analysis; n = 66 for combined centers, n = 30 for high-scoring centers (PA-EPAO ≥ 11.2 at baseline), and n = 36 for low-scoring centers (PA-EPAO < 11.2 at baseline)
  6. *p-values for total minutes and sedentary, light, and MVPA percentages represent differences between baseline and 12-month analyzed by t-test; p-values for high (PA-EPAO ≥ 11.2) and low (PA-EPAO < 11.2) centers at baseline represent mean differences between those two groups by PROC GLM using Tukey’s adjustment for multiple comparisons