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Table 2 Objectively measured habitual school-timea physical activity and sedentary behaviour for intervention and control groups at baseline (T0) and week 12 (T1)

From: Effects of a peer-led Walking In ScHools intervention (the WISH study) on physical activity levels of adolescent girls: a cluster randomised pilot study

Time (min/day) T0 T1  
Mean SD Mean SD Change (95% CI) p valueb
Sedentaryc
 Controld 310.30 24.85 308.31 38.22 −1.99 (−11.06–6.80) 0.013
 Interventiond 325.13 21.80 316.31 24.28 −8.82 (−13.99– -3.64)
Light PAc
 Control 118.56 20.32 116.42 21.83 −2.14 (−6.73–2.45) 0.018
 Intervention 104.84 18.96 113.11 23.10 8.27 (3.22–13.32)
Moderate PAc
 Control 16.80 6.39 19.84 7.91 3.05 (1.64–4.44) 0.122
 Intervention 15.57 5.92 17.61 5.62 2.04 (0.52–3.57)
Vigorous PAc
 Control 5.34 4.16 6.42 6.05 0.89 (−0.24–2.37) 0.071
 Intervention 5.12 3.86 3.97 3.15 −1.15 (−2.03– -0.26)
Total PAc
 Control 140.52 24.85 142.67 28.64 1.24 (−3.88–7.82) 0.007
 Intervention 125.52 22.00 134.69 24.28 9.17 (3.92–14.41)
  1. PA Physical activity
  2. aSchool-time filter (08:30–16:00)
  3. bDifferences between groups compared using mixed between-within subjects ANOVA
  4. cEvenson cut-points [35]
  5. dParticipants with ≥ 3 days valid wear included in analysis (n = 65 control, n = 52 intervention)