Table 4 Comparison of mean PMS scores in the three groups.

From: Online positive-oriented counseling, taking vitamin D3 tablet, online lifestyle modification training on premenstrual syndrome: a 3-armed randomized clinical trial

Premenstrual syndrome

Positive-oriented counselling group

(n = 25)

Mean ± SD

Vitamin D3 tablet group

(n = 27)

Mean ± SD

Lifestyle modification training group (n = 25)

Mean ± SD

P-value

P-value

Baseline

33 ± 5.8

34.1 ± 7.1

35.2 ± 6.4

0.500

 < 0.001

Week 6

26.7 ± 5.9

29 ± 5.1

32.3 ± 6.2

0.004

 

Week 10

22.3 ± 4.3

25.4 ± 6.5

31.8 ± 6.5

 < 0.001

 

P-value

 < 0.001

 < 0.001

0.021

  
  1. ANOVA for comparison of main primary outcome premenstrual syndrome mean scores between groups.
  2. Repeated measures for main primary outcome comparison of premenstrual syndrome mean scores within groups.
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