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Table 1 Descriptive characteristics at baseline (T1) categorised by intervention and control group

From: Parental support in promoting children’s health behaviours and preventing overweight and obesity – a long-term follow-up of the cluster-randomised healthy school start study II trial

  Total Intervention Control p n
  n = 215 n = 97 n = 118   
  Mean (SD) Mean (SD) Mean (SD)   
Girls (%) 49.3 53.6 45.8 0.25 215
Age (years) 6.3 (0.3) 6.3 (0.3) 6.3 (0.3) 0.93 215
Parental low education per family (%) 51.2 50.0 52.3 0.74 203
Parents born outside the Nordic region (%) 87.9 85.3 90.2 0.3 207
Anthropometry
 Waist circumference (cm) 56.7 (5.9) 56.7 (6.2) 56.6 (5.1) 0.91 215
 Body mass index (kg/m2) 16.9 (2.5) 17.0 (2.6) 16.9 (2.5) 0.75 215
 BMI sdsa 0.71 (1.41) 0.75 (1.39) 0.67 (1.43) 0.71 215
 Normal weightb (%) 67.0 69.1 65.3 0.56 215
 Overweightb (%) 15.3 15.5 15.3 0.97 215
 Obese b (%) 11.6 11.3 11.9 0.90 215
 Underweightb (%) 6.0 4.1 7.6 0.28 215
Screen time
 Television/computer time (minutes/day) 129 (71) 127 (74) 130 (68) 0.75 178
Physical activity
 Children active in organised activity (%) 47.3 52.4 42.2 0.26 129
Diet (servings the previous day)
 Fruit juice1 0.61 (0.73) 0.62 (0.79) 0.6 (0.66) 0.73 148
 Soft drink1 0.28 (0.54) 0.24 (0.49) 0.33 (0.58) 0.45 138
 Flavoured milk1 0.30 (0.60) 0.21 (0.41) 0.39 (0.73) 0.21 139
 Vegetables1 1.07 (0.80) 1.01 (0.82) 1.12 (0.77) 0.63 168
 Fruits1 1.67 (1.0) 1.6 (0.88) 1.76 (1.08) 0.67 175
 Snacks (crisps and cheese doodles)1 0.33 (0.66) 0.25 (0.52) 0.41 (0.77) 0.19 157
 Chocolate/sweets1 0.53 (0.74) 0.42 (0.69) 0.64 (0.79) 0.17 165
 Ice-cream1 0.52 (0.80) 0.35 (0.59) 0.69 (0.93) 0.08 168
 Cake/buns/cookies1 0.55 (0.75) 0.48 (0.69) 0.62 (0.79) 0.57 164
 Unhealthy foods2 1.77 (2.22) 1.37 (1.94) 2.16 (2.40) 0.05 173
 Healthy foods2 2.90 (1.56) 2.87 (1.71) 2.92 (1.4) 0.7 177
 Unhealthy drinks2 0.61 (1.08) 0.54 (1.15) 0.67 (1.01) 0.37 161
  1. p = between intervention and control groups
  2. BMI sds: body mass index standard deviation score,
  3. aDefined according to Karlberg et al. [20]
  4. bDefined according to Cole et al. [21]
  5. 1Serving sizes (examples below):
  6. Snacks = 1.5 dl of crisps or cheese doodles
  7. Sweets = about 1.5 dl of sweets or 4 pieces from a chocolate bar
  8. Cakes = a small bun or 5 small biscuits
  9. Ice-cream = a small ice cream bar or 1 dl ice-cream
  10. Drinks = 1.5 dl
  11. Vegetables = 2 dl grated carrots/cabbage or a large tomato or 2–3 broccoli heads
  12. Fruits = a small apple or a bunch of grapes (about 10)
  13. 2Aggregated variables: unhealthy foods (snacks, sweets/chocolate, ice-cream, cakes/buns/cookies), healthy foods (fruit and vegetables) and unhealthy drinks (soft drink, flavoured milk, and fruit juice > 1 serving)