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Table 6 Parent and child between-group comparison of intervention dose received (continuous outcomes) at T3 and T4

From: Is level of implementation linked with intervention outcomes? Process evaluation of the TransformUs intervention to increase children’s physical activity and reduce sedentary behaviour

Intervention component

N

Intervention group

Group effect p-value

Adjusted mean differencesa

PA-I

SB-I

SB + PA-I

SB-I vs PA-I

SB + PA-I vs PA-I

SB + PA-I vs SB-I

M (SD)

Med (IQR)

M (SD)

Med (IQR)

M (SD)

Med (IQR)

B (95% CI)

B (95% CI)

B (95% CI)

Parents dose received T3

 

Max N = 102

Max N = 90

Max N = 87

    

Key messages tried (n)

119

2.6 (1.9)

2 (1–8)

2.1 (1.5)

2 (1–8)

2.0 (1.6)

1 (0–8)

0.31

−0.41 (−1.11, 0.30)

−0.55 (−1.30, 0.20)

−0.15 (−0.87, 0.58)

Newsletters received (n)

154

3.1 (2)

3 (1–10)

4 (1.9)

4 (0–8)

3.4 (1.8)

3.5 (1–6)

0.038

0.97 (0.23, 1.71)

0.38 (−0.31, 1.08)

−0.58 (−1.33, 0.16)

Children dose received T3

N

Max N = 159

Max N = 117

Max N = 132

    

Key messages recalled (n)

407

5.6 (2.2)

6 (0–9)

4.6 (2.6)

5 (0–9)

4.4 (2.7)

5 (0–9)

0.008

−0.81 (− 1.40, − 0.22)

−0.83 (− 1.45, − 0.21)

− 0.02 (− 0.65, 0.61)

bNewsletters received (n)

402

2.9 (1.2)

3 (1–5)

3.2 (1.4)

3 (1–5)

2.8 (1.3)

3 (1–5)

0.040

0.49 (−0.12, 1.09)

−0.30 (− 0.87, 0.27)

−0.79 (− 1.40, 0.18)

Children dose received T4

N

Tot N = 139

Tot N = 92

Tot N = 102

    

Key messages recalled (n)

333

4.4 (2.9)

4 (0–10)

3.6 (2.9)

3 (0–10)

3.4 (3)

3 (0–10)

0.017

−0.77 (−1.54, 0.00)

−1.00 (− 1.74, − 0.27)

−0.23 (− 1.05, 0.58)

  1. Total N=Intervention groups combined.PA-I Physical activity intervention group, SB-I Sedentary behaviour intervention group, SB + PA-I=Combined physical activity and sedentary behaviour group
  2. aEstimated mean differences from bootstrapped linear mixed models adjusted for school SES. T3: 18-months (Nov-Dec 2011). T4: 30-months (Nov-Dec 2012)
  3. bResponse options were 1 = none, 2 = 1–2 newsletters, 3 = 3–4 newsletters, 4 = 5–6 newsletters, 5 = 7–9 newsletters