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Table 2 Comparison of baseline characteristics of intervention and control group

From: Free school meals as an approach to reduce health inequalities among 10–12- year-old Norwegian children

Characteristic Intervention group (n = 52)* Control Group (n = 106)* Group comparison
Socio-demographic variables
Gender child, n (%)    χ2 = 4.151
 Boys 33 (63.5) 49 (46.2)  
 Girls 19 (36.5) 57 (53.8)
Age child, mean (SD) 10.60 ± 0.32 10.64 ± 0.92 t = 0.379
SES, n (%)    χ2 = 1.201
 Lower 24 (46.2) 37 (34.9)  
 Higher 27 (51.9) 61 (57.5)
1 missing 8 missings
Outcome variables
 Healthy food score, mean (SD) 6.79 ± 2.54 7.24 ± 2.33 t = −1.102
 BMI z-score, mean (SD) 0.65 ± 1.13 0.63 ± 0.98 t = −0.136
 Waist circumference, mean (SD) 68.56 ± 9.38 67.16 ± 8.45 t = −0.939
  1. p < 0.05 indicated in bold
  2. *Only complete cases at all three timepoint were included in the descriptives