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Table 2 Estimated mean vegetable intake (gram) by component and time in the BRA-study

From: Exploring intervention components in association with changes in preschool children’s vegetable intake: the BRA-study

  Baseline mean (SD) Follow-up 1 mean (SD) Effect size (CI 95%)a Likelihood ratio test P
Children’s vegetable intake (n = 161)b
 Posters
  Not at all/to a small degree 43.6 (16.5) 69.5 (16.9)   0.062
  To some degree 47.2 (12.7) 85.3 (12.9) 12.2 (− 17.8, 42.2)
  To a large degree 35.8 (15.5) 99.4 (15.4) 37.7 (4.6, 70.7)
 Supplementary material
  Not at all/to a small degree 33.0 (14.8) 97.3 (15.0)   0.020
  To some degree 48.6 (13.3) 74.1 (13.4) − 38.8 (− 65.5, − 12.1)
  To a large degree 43.7 (15.1) 86.8 (15.2) − 21.2 (− 51.1, 8.7)
 1-day inspirational course
  Not at all/to a small degree 37.6 (16.3) 87.7 (16.2)   0.746
  To some degree 49.8 (12.8) 99.9 (17.3) − 11.2 (− 39.8, 17.4)
  To a large degree 33.9 (15.5) 84.1 (19.4) − 6.7 (− 39.4, 26.0)
Vegetable served in the kindergarten (n = 34)c
 Posters
  Not at all/to a small degree 54.1 (8.6) 56.5 (9.3)   0.243
  To some degree 50.5 (5.5) 62.8 (6.3) 10.0 (− 16.1, 36.1)
  To a large degree 42.0 (7.6) 69.4 (8.6) 24.9 (− 4.4, 54.2)
 Supplementary material
  Not at all/to a small degree 45.8 (6.9) 57.2 (6.9)   0.856
  To some degree 54.3 (6.6) 69.8 (8.0) 4.2 (− 21.0, 29.3)
  To a large degree 45.6 (7.2) 64.3 (8.6) 7.3 (− 18.7, 33.4)
 1-day inspirational course
  Not at all/to a small degree 49.6 (8.0) 49.4 (8.5)   0.257
  To some degree 46.2 (6.0) 65.7 (6.8) 19.6 (− 5.1, 44.3)
  To a large degree 52.0 (6.8) 71.6 (7.9) 19.9 (− 6.3, 46.0)
  1. The “Effect Size” measures the difference in change from baseline to follow-up, between the given group and the reference group “not at all/to a small degree” extracted from the models as the interactions between intervention component and time
  2. aInteraction between intervention component and time
  3. bAdjusted for time, maternal education, child gender and child year of birth
  4. cAdjusted for time