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Table 1 Children’s characteristics at baseline (full sample and by intervention group)

From: Does additional support provided through e-mail or SMS in a Web-based Social Marketing program improve children’s food consumption? A Randomized Controlled Trial

Characteristics at baseline Total (N = 608) Group 1
Web-only (n = 218)
Group 2
Web + e-mail (n = 196)
Group 3
Web + SMS (n = 194)
p-value
Boys (%) 49.3 51.4 44.9 51.5 0.319
Age (years) 8.5 (1.9) 8.4 (1.9) 8.7 (1.9) 8.4 (1.9) 0.170
  (N = 588) (n = 215) (n = 184) (n = 189)  
BMI (%)      0.060
Underweight 10.4 14.8 8.1 7.4  
Healthy-weight 72.1 67.9 76.6 72.5  
Overweight or obese 17.5 17.2 15.2 20.1  
  1. SD Standard Deviation. BMI Body Mass Index. Results are expressed as column percentage for categorical variables or as mean (standard deviation) for continuous variables. Between-group comparisons performed using χ2-tests for categorical variables and ANOVA for continuous variables