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Table 1 Baseline characteristics of participants

From: Consumption of OLL1073R-1 yogurt improves psychological quality of life in women healthcare workers: secondary analysis of a randomized controlled trial

  Yogurt group (n = 479) Control group (n = 482) p value
Age (years) 39.3 (11.5) 39.4 (11.4) 0.91*
BMI (kg/m2) 22.0 (3.5) 21.8 (3.5) 0.42*
Occupation    0.62**
Nurse 310 (64.7%) 312 (64.7%)  
Care worker 43 (9.0%) 33 (6.9%)  
Physical therapist/occupational therapist 36 (7.5%) 40 (8.3%)  
Others 90 (18.8%) 97 (20.1%)  
Irregular shift workers 220 (46.0%) 228 (47.3%) 0.67**
Living by herself 118 (24.6%) 120 (24.9%) 0.93**
Current smokers 47 (9.8%) 43 (8.9%) 0.64**
  1. Values are expressed as the mean. Standard deviation or percentage is indicated in parentheses
  2. *Wilcoxon's rank-sum test
  3. **Chi-squared test