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Table 2 Crosstab of the categorical variables among four groups at baseline

From: A web-based lifestyle intervention program for Chinese college students: study protocol and baseline characteristics of a randomized placebo-controlled trial

  IG-1 (n = 139) IG-2 (n = 139) IG-3 (n = 139) PCG (n = 139)
BMI (kg/m2)
 Underweight (<  18.5) 25 29 31 25
 Healthy weight (18.5–22.9) 96 87 87 96
 Overweight (≥23) 18 23 21 18
Lifestyle indicator
 Healthy a 108 116 115 108
 Unhealthy b 31 23 24 31
  1. Note: BMI Body mass index. a Healthy lifestyle indicates meeting both behavior recommendations (performing ≥150 min of moderate-vigorous physical activity per week and consuming ≥5 portions of fruit and vegetables per day); b Unhealthy lifestyle indicates not meeting both behavior recommendations (performing ≥150 min of moderate-vigorous physical activity per week and consuming ≥5 portions of fruit and vegetables per day)