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Table 2 Changes in the measurements during the trial period

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*
Baseline 16 weeks Baseline 16 weeks
PSQI score 5.50 (2.71) 5.03 (2.68) 5.33 (2.60) 5.22 (2.68) 0.007
SF-8 score      
PF (physical functioning) 50.6 (4.5) 51.0 (4.9) 50.2 (5.1) 50.2 (5.0) 0.23
RP (role physical) 50.1 (5.1) 50.4 (4.9) 49.8 (5.2) 49.8 (5.4) 0.58
BP (bodily pain) 49.3 (8.5) 50.7 (8.3) 49.6 (8.5) 50.3 (8.4) 0.18
GH (general health) 49.2 (6.2) 50.1 (6.5) 49.1 (6.5) 48.9 (6.7) 0.02
VT (vitality) 49.6 (5.7) 50.5 (6.2) 49.4 (6.0) 49.2 (6.1) 0.01
SF (social functioning) 48.6 (7.2) 49.4 (6.9) 48.9 (7.3) 48.7 (7.5) 0.06
RE (role emotional) 48.7 (5.9) 49.4 (5.6) 49.1 (5.6) 49.2 (6.0) 0.17
MH (mental health) 47.0 (6.9) 47.9 (6.7) 47.2 (6.5) 47.7 (7.1) 0.27
PCS (physical component summary) 49.8 (5.8) 50.4 (5.7) 49.5 (5.9) 49.5 (6.1) 0.15
MCS (mental component summary) 46.6 (6.9) 47.4 (6.7) 47.0 (6.5) 47.1 (7.2) 0.12
GSRS      
Total 1.58 (0.54) 1.59 (0.56) 1.58 (0.58) 1.60 (0.54) 0.70
Reflux of acid 1.23 (0.85, 1.79) 1.24 (0.85, 1.81) 1.23 (0.84, 1.78) 1.25 (0.86, 1.82) 0.54
Gastric pain 1.33 (0.89, 1.99) 1.33 (0.90, 1.95) 1.30 (0.88, 1.92) 1.32 (0.91, 1.93) 0.55
Indigestion 1.48 (1.02, 2.16) 1.47 (1.00, 2.16) 1.50 (1.03, 2.18) 1.46 (1.01, 2.12) 0.52
Diarrhea 1.32 (0.88, 1.99) 1.37 (0.92, 2.04) 1.29 (0.89, 1.87) 1.31 (0.90, 1.91) 0.50
Constipation 1.74 (1.09, 2.80) 1.72 (1.04, 2.83) 1.76 (1.06, 2.93) 1.84 (1.09, 3.11) 0.03
  1. Values are expressed as mean. Standard deviation (− 1SD, + 1SD) is indicated in parentheses
  2. PSQI, Pittsburgh Sleep Quality Index; GSRS, Gastrointestinal Symptom Rating Scale
  3. *Two-way analysis of variance with repeated measures
  4. Geometric mean values