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Table 4 Changes in child physical activity and redemption of the Active Kids voucher - adjusted for child gender, class year and socio-economic status where applicable

From: Evaluation of a voucher scheme to increase child physical activity in participants of a school physical activity trial in the Hunter region of Australia

Participants

Child physical activity

(hours)

Redeemed AKa voucher

Mean Differenceb

(95% Confidence Intervals)

Did not redeem AKa voucher

Mean Differenceb

(95% Confidence Intervals)

Adjusted Difference

(95% Confidence Intervals)

p-value

All children

(n = 511)

Outside school hours (weekdays)

−1.89 [− 2.79;-0.99]

−1.42 [− 3.20;0.36]

−0.47 [− 2.47;1.52]

0.61

On weekends

− 1.37 [− 1.91;-0.83]

− 0.45 [− 1.52;0.62]

−0.92 [− 2.12;0.28]

0.12

Combined

− 3.23 [− 4.51;-1.95]

−1.81 [− 4.36;0.74]

−1.42 [− 4.28;1.43]

0.30

Males (n = 259)

Outside school hours (weekdays)

−1.60 [− 2.84;-0.37]

− 0.65 [− 3.52;2.22]

−0.95 [− 4.08;2.17]

0.51

On weekends

− 1.48 [− 2.22;-0.73]

−0.23 [− 1.96;1.49]

−1.24 [− 3.12;0.64]

0.17

Combined

−3.07 [− 4.84;-1.31]

− 0.81 [− 4.94;3.31]

− 2.26 [− 6.74;2.22]

0.29

Females (n = 248)

Outside school hours (weekdays)

−2.23 [− 3.57;-0.89]

− 1.94 [− 4.25;0.38]

−0.29 [− 2.97;2.38]

0.81

On weekends

− 1.25 [− 2.06;-0.44]

− 0.59 [− 1.99;0.81]

− 0.66 [− 2.27;0.96]

0.39

Combined

−3.42 [−5.34;-1.50]

−2.48 [− 5.80;0.84]

−0.94 [− 4.77;2.89]

0.60

Low active childrenc (n = 56)

Outside school hours (weekdays)

1.96 [− 1.28;5.20]

1.47 [− 2.72;5.65]

0.50 [− 4.79;5.79]

0.83

On weekends

1.12 [−0.86;3.10]

0.45 [−2.09;3.00]

0.67 [− 2.56;3.89]

0.64

Combined

3.24 [− 1.43;7.92]

1.95 [− 4.06;7.97]

1.29 [− 6.33;8.91]

0.70

High active childrend (n = 454)

Outside school hours (weekdays)

−2.26 [−3.26;-1.26

− 2.15 [− 4.27;-0.02]

−0.11 [− 2.46;2.24]

0.92

On weekends

− 1.61 [− 2.21;-1.01]

− 0.69 [− 1.96;0.58]

− 0.92 [− 2.33;0.49]

0.17

Combined

−3.86 [− 5.28;-2.44]

−2.78 [− 5.80;0.25]

−1.08 [− 4.42;2.26]

0.47

Low SES childrene (n = 143)

Outside school hours (weekdays)

− 3.00 [− 4.90;-1.10]

− 1.84 [− 5.38;1.69]

− 1.15 [− 5.17;2.86]

0.51

On weekends

− 1.87 [− 3.01;-0.73]

0.46 [− 1.71;2.63]

−2.33 [− 4.78;0.12]

0.06

Combined

−4.87 [−7.57;-2.17]

−1.26 [− 6.40;3.87]

− 3.61 [− 9.41;2.20]

0.18

High SES childrenf (n = 104)

Outside school hours (weekdays)

− 2.39 [− 4.64;-0.14]

0.53 [−3.63;4.70]

− 2.93 [− 7.66;1.81]

0.18

On weekends

−1.49 [− 2.85;-0.13]

− 1.31 [− 3.81;1.20]

− 0.18 [− 3.03;2.67]

0.88

Combined

− 3.79 [− 7.02;-0.56]

−0.77 [− 6.71;5.16]

−3.02 [− 9.78;3.74]

0.32

  1. aActive Kids
  2. bMean Difference from baseline to follow-up
  3. cChildren not meeting physical activity guideline of minimum 60 min per day
  4. dChildren who meet the physical activity guideline of minimum 60 min
  5. eChildren in the bottom 20% of participants according to SEIFA ranking
  6. fChildren in the top 20% of participants according to SEIFA ranking