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Table 1 Descriptive characteristics of intervention and control groups at baseline

From: Efficacy of a compulsory homework programme for increasing physical activity and improving nutrition in children: a cluster randomised controlled trial

Variable

Intervention group (n = 346)

Control group (n = 329)

Demographics

 Age (y)

8.71 ± 0.987

8.74 ± 1.04

 Sex

  Males

171 (49.4%)

155 (47.1%)

  Females

175 (50.6%)

174 (52.9%)

 Ethnicity

  European

228 (65.9%)

232 (70.5%)

  Maori

36 (10.4%)

18 (5.5%)

  Pacific Island

22 (6.4%)

6 (1.8%)

  Asian

46 (13.3%)

63 (19.1%)

  Other

14 (4.0%)

10 (3.0%)

 School SES decile

  1–3

50 (14.5%)

0 (0%)

  4–7

116 (33.5%)

162 (49.2%)

  8–10

180 (52.0%)

167 (50.8%)

Body composition

 Height (cm)

132 ± 7.17

132 ± 8.00

 Weight (kg)

30.8 ± 7.45

30.1 ± 6.44

 BMI (kg.m−2)

17.4 ± 2.82

17.0 ± 2.39

 Waist circumference (cm)

61.5 ± 8.34

60.3 ± 7.40

 Waist-to-height ratio

0.465 ± 0.052

0.455 ± 0.049

Physical (in)activity

 Weekday PA: School (steps.day−1)

5360 ± 2100

5450 ± 2310

 Weekday PA: Home (steps.day− 1)

5000 ± 2060

5150 ± 2330

 Weekend PA (steps.day− 1)

7570 ± 4320

7240 ± 3800

 Weekday TV (hours.day− 1)

1.00 (0.480, 1.66)

1.00 (0.440, 1.49)

 Weekend TV (hours.day− 1)

2.00 (1.00, 2.65)

1.65 (1.00, 2.50)

 Weekday computer (hours.day− 1)

0.200 (0, 0.600)

0.200 (0, 0.440)

 Weekend computer (hours.day− 1)

0.513 (0, 1.15)

0.425 (0.100, 1.00)

Dietary patterns

 Daily fruit consumption

  < 2 servings

64 (21.6%)

72 (24.7%)

  2–3 servings

166 (56.1%)

169 (57.9%)

  4+ servings

66 (22.3%)

51 (17.5%)

 Daily vegetable consumption

  < 2 servings

109 (36.7%)

129 (44.3%)

  2–3 servings

149 (50.2%)

138 (47.4%)

  4+ servings

39 (13.1%)

24 (8.2%)

 Weekly fast food consumption

  None

129 (43.3%)

130 (44.8%)

  Once

125 (41.9%)

126 (43.4%)

  More than once

44 (14.8%)

34 (11.7%)

 Weekly soft drink consumption

  None

109 (36.6%)

119 (40.6%)

  Once

56 (18.8%)

46 (15.7%)

  More than once

133 (44.6%)

128 (43.7%)

  1. Categorical data are presented as n (%), and continuous data are presented as mean ± SD or median (IQR) where appropriate. School socioeconomic decile was sourced from NZ Ministry of Education records