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Table 2 Effects of intervention on dietary intake of indicator foods at T4 (intention to treat analysis)

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

Dietary intake - Servings1 the previous weekdaya n b p 95% CI Unadjusted means (SD) at T4 per group
n Int M (SD) n Cont M (SD)
Separate variables
 Snacks 109 −0.72 0.09 −1.55 to 0.12 52 0.15 (0.42) 57 0.40 (0.98)
 Sweets/Chocolate 118 −0.25 0.41 −0.84 to 0.34 55 0.33 (0.51) 63 0.49 (0.91)
 Cakes/Buns/Cookies 116 −0.53 0.07 −1.10 to 0.04 54 0.33 (0.67) 62 0.56 (0.86)
 Ice-cream 124 0.03 0.96 −1.22 to 1.28 60 0.08 (0.42) 64 0.09 (0.34)
 Soft drink/sugar syrup 87 −0.06 0.90 −0.87 to 0.76 42 0.26 (0.54) 46 0.30 (0.59)
 Flavoured milk 84 −0.03 0.90 −1.02 to 0.95 42 0.19 (0.46) 42 0.21 (0.47)
 Fruit juice 106 −0.31 0.17 −0.75 to 1.87 52 0.65 (0.84) 54 0.91 (1.17)
 Vegetables 124 0.05 0.76 −0.27 to 0.37 60 1.25 (0.88) 64 1.19 (1.07)
 Fruits 128 −0.23 0.14 −0.52 to 0.07 60 1.27 (1.13) 68 1.62 (1.21)
Aggregated variables2
 Unhealthy food      60 1.10 (2.12) 66 1.58 (2.0)
 Girls3 58 −0.61 0.03 −1.15 to − 0.61     
 Boys3 68 0.09 0.66 −0.31 to 0.49     
 Unhealthy drink 114 −0.34 0.08 −0.71 to 0.04 56 0.84 (1.33) 58 1.24 (1.62)
 Healthy food 133 0.11 0.30 −0.32 to 0.10 64 2.48 (1.59) 69 2.77 (1.90)
Screen timeb n b p 95% CI     
 Television/computer time (minutes the previous weekday) 132 20.57 0.17 −8.63 to 49.77 63 148.79 (94.26) 70 136.16 (93.51)
Physical activity c n OR p 95% CI     
 Child active in organised activity 127 1.77 0.16 0.79 to 3.95     
  1. aResults of Poisson regression with adjustment for baseline, sex of child, and parental education (complete cases intention to treat)
  2. bResults of Linear regression with adjustment for baseline, sex of child, and parental education (complete cases intention to treat)
  3. cResults of Logistic regression with adjustment for baseline, sex of child, and parental education (complete cases intention to treat)
  4. Subjects are dependent observations between T1 and T4 with valid measurements at T2
  5. Bold - significant p-value < 0.05
  6. b = regression coefficient, estimates of intervention group
  7. OR = odds ratios for the intervention group
  8. 1Serving sizes (examples below):
  9. Snacks = 1.5 dl of crisps or cheese doodles
  10. Sweets = about 1.5 dl of sweets or 4 pieces from a chocolate bar
  11. Cakes = a small bun or 5 small biscuits
  12. Ice-cream = a small ice cream bar or 1 dl ice-cream
  13. Drinks = 1.5 dl
  14. Vegetables = 2 dl grated carrots/cabbage or a large tomato or 2–3 broccoli heads
  15. Fruits = a small apple or a bunch of grapes (about 10)
  16. 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)
  17. 3Stratified analysis due to interaction effect (group × sex)