Skip to main content

Table 1 Baseline scores for background characteristics and differences between control (n = 758) and experimental condition (n = 1117)

From: Healthier food choices as a result of the revised healthy diet programme Krachtvoer for students of prevocational schools

  Total group Uncorrected % Control condition Uncorrected % Experimental condition Uncorrected % Odds ratio (CI) baseline difference 1
Gender     1.024
- Boys 52.3 42.2 51.4 (0.831-1.263)
- Girls 47.7 57.8 48.6  
Ethnicity     0.987
- Dutch 80.4 81.8 79.4 (0.756-1.289)
- Other 19.6 18.2 20.6  
Year     2.617*
- First year 41.1 50.9 34.4 (1.050-6.523)
- Second year 58.9 49.1 65.6  
Educational track     3.597**
- Theoretical subtracks of prevocational education and senior general education (higher subtracks) 65.9 50.5 76.3 (1.412-9.161)
- Practical subtrack of prevocational education (lower subtrack) 34.1 49.5 23.7  
  Total group Uncorrected mean (SD) Control condition Uncorrected mean (SD) Experimental condition Uncorrected mean (SD) t -test (CI) baseline difference
Mean factor score for socio-economic position (SD) (range -4 to 4) -0.04 (0.86) -0.01 (0.91) -0.04 (0.86) 1 (0.874-1.145)
  1. 1To test baseline differences, we corrected for a random intercept for class.
  2. *p<.05; **p<.01 ***p<0.001.