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Table 4 School implementation of physical activity practices at baseline and 12-month follow-up

From: Scale-up of the Physical Activity 4 Everyone (PA4E1) intervention in secondary schools: 12-month implementation outcomes from a cluster randomized controlled trial

School practice implementation in current school year Program Group Control Group OR [95% CI] P value
Baseline
N = 24% (n)
12 months
N = 24% (n)
Baseline
N = 25a % (n)
12 months
N = 25% (n)
Primary outcome – 4 or more PA practices 0.0 (0) 66.7. (16) 0.0 (0) 4.0 (1) 35.5 [4.5–1659.6] < 0.001
Secondary outcomes
 Mean number of PA practices (standard deviation) 0.5 (0.8) 3.9(1.5) 0.5(0.7) 0.7 (1.0) β = 3.2 [2.5–3.9]b < 0.001
 Meeting each PA practice
  1. Quality PE lessons 8.3(2) 58.3(14) 4.0 (1) 4.0 (1) 33.5 [3.9–1654.3] < 0.001
Incorporating desirable elements (Table 1) 8.3(2) 54.2(13) 4.0(1) 4.0(1) 29.5 [5.7 -∞] < 0.001
  2. Student physical activity plans 8.3 (2) 87.5 (21) 0.0 (0) 8.0 (2) 79.7 [9.0–4159.9] < 0.001
Incorporating desirable elements (Table 1) 0.0 (0) 8.3 (2) 0.0 (0) 4.0 (1) 1.7 [0.1–106.1] 1.0
  3. Enhanced school sport program 0.0 (0) 83.3 (20) 4.0 (1) 4.0 (1) 86.0 [16.5-∞] < 0.001
  4. Recess/lunchtime physical activity 8.3 (2) 50.0 (12) 24.0 (6) 28.0 (7) 4.1 [1.0–22.6] 0.059
Incorporating desirable elements (Table 1) 0.0 (0) 33.3 (8) 8.0 (2) 8.0 (2) 10.0 [1.2–473.4] 0.027
  5. Physical activity policy or procedure 0.0 (0) 29.7 (7) 4.0 (1) 4.0 (1) 9.8 [1.1–492.3] 0.044
  6. Links with community physical activity providers 4.1 (1) 0.0 (0) 0.0 (0) 4.0 (1) 1.0 [0.0–19.0] 1.0
Incorporating desirable elements (Table 1) 4.1 (1) 0.0 (0) 0.0 (0) 4.0 (1) 1.0 [0.0–19.0] 1.0
  7. Communicating physical activity messages to parents 20.8 (5) 83.3 (20) a 16.0 (4) 20.0 (5) 16.3 [3.4–120.2] < 0.001
  1. a there were two schools with missing parent practice data in the control group at baseline. These schools were included in the baseline analysis for the primary outcome as ‘not met’ they both had one practice, and an additional practice would not have enabled them to meet the four practice criteria. Analyses based on mean number of practices, and the parent practice, are similarly based on the practice being ‘not met’. When analyses were based on a reduced sample due to the missing data the results were consistent: baseline N, mean practices (SD) 23 0.9 (0.81) p < 0.001; parent practice N % (n) 23 17.4 (4) p < 0.001
  2. b Mean difference estimate from linear regression analysis