Skip to main content

Table 1 Baseline characteristics of intervention and control school participants.

From: Effect of a school-based intervention to promote healthy lifestyles in 7–11 year old children

  Intervention Control
  Boys Girls Total Boys Girls Total
N 150 160 310 137 142 279
Age (years) 8.76
(.90)
8.76
(.88)
8.76
(.88)
8.89
(.88)
8.83
(.86)
8.86
(.87)
Ethnicity (white British) 96.3% 93.5% 94.8% 96.5% 96.6% 96.5%
Annual household income (£/year) 31636 30059 30886 43284 36747 39831
IMD* Low 64.2% 66.1% 65.2% 4.4% 14.7% 9.6%
Medium 26.6% 24.2% 25.3% 40.4% 41.4% 40.9%
High 9.2% 9.7% 9.4% 55.3% 44.0% 49.6%
BMI 17.58
(2.61)
18.09
(3.10)
17.84
(2.88)
17.19 (2.42) 17.46
(2.56)
17.33
(2.49)
BMI SDS§‡ .63
(1.08)
.58
(1.13)
.60
(1.11)
.42
(1.10)
.35
(1.00)
.39
(1.05)
Estimated % body fat 18.54
(6.36)
26.67
(5.58)
22.57
(7.23)
17.58 (6.63) 25.77
(5.60)
21.72
(7.37)
Waist circumference (cm) 60.54
(6.88)
60.10
(8.88)
60.32
(7.94)
60.82 (7.55) 58.45
(6.74)
59.63
(7.24)
Steps per day 9789.34
(2929.11)
9397.79
(2559.37)
9579.42
(2735.64)
10946.47
(2947.50)
9452.42
(2654.66)
10163.49
(2888.82)
MVPAtotal (minutes/day) 138.85
(26.43)
113.85
(21.47)
124.72
(26.70)
125.36
(26.12)
116.56
(21.12)
120.32
(23.67)
MVPAbout (minutes/day) 52.25
(18.70)
30.73
(12.38)
40.09
(18.73)
44.73
(18.41)
30.38
(11.45)
36.51
(16.37)
  1. Values are mean (SD) unless otherwise stated.
  2. Notes: there was 50.1% missing data to this question; * Index of multiple deprivation – an area level measure of socioeconomic status based on the postcode of the family house. It represents a measure of compound social and material deprivation, calculated from a variety of data including income, employment, health, education, and housing; § BMI standardised by age and gender [38]; actual values at baseline unadjusted for design effects.