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Table 3 Effects of the intervention on physical activity levels at T2 and T3

From: Effectiveness of a universal parental support programme to promote health behaviours and prevent overweight and obesity in 6-year-old children in disadvantaged areas, the Healthy School Start Study II, a cluster-randomised controlled trial

   T2     T3   
  n b p 95 % CI Between school class variance σ 2u (s.e.) n b p 95 % CI Between school class variance σ 2u (s.e.)
TPA, all week (cpm)b 189 −30.1 0.18 −74.0 to 13.7 0.00 (0.00) 150 −34.8 0.13 −79.3 to 9.7 2598.1 (9176.8)
TPA, weekends (cpm)b 189 −40.5 0.25 −110.2 to 29.2 0.00 (0.00) 150 −30.2 0.37 −96.1 to 35.6 0.00 (0.00)
MVPA, all week (minutes)b 189 −1.5 0.55 −6.6 to 3.5 0.00 (0.00) 150 −3.6 0.19 −8.9 to 1.8 41.2 (130.0)
MVPA, weekends (minutes)b 189 −0.6 0.88 −8.0 to 6.9 20.3 (186.3) 150 −3.2 0.45 −11.4 to 5.0 0.00 (0.00)
Sedentary, all week (minutes)c 189 1.5 0.68 −5.7 to 8.7 219.7 (150.2) 150 −9.2 0.03 −17.7 to -0.7 448.0 (165.2)
Sedentary, weekends (minutes)c 189 9.2 0.09 −1.4 to 19.9 610.4 (294.4) 150 −11.3 0.04 −22.3 to -0.4 434.2 (256.9)
Screen time min/daya 251 −2.6 0.79 −21.0 to 15.9 4443.5 (583.2) 222 −16.5 0.10 −36.0 to 3.0 1552.4 (2355.4)
  1. Results of Mixed Linear Regression adjusted for asex, parental education, baseline value, bmonitor wear time cand MVPA
  2. b = Regression coefficient (beta), p = between intervention and control groups, CI = 95 % confidence interval
  3. TPA total physical activity, cpm counts per minute, MVPA moderate to vigorous physical activity
  4. Subjects are dependent observations between T1 and T2 and between T1 and T3