Table 2 Comparison of the participants’ demographic data 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

Variable

Positive-oriented counseling group(n = 25)

Taking vitamin D3 tablet group(n = 27)

Online lifestyle modification training (n = 25)

P-value

Age (years)

Mean ± Sd

Mean ± Sd

Mean ± Sd

 
 

33.75 ± 4.16

31.93 ± 5.59

33.04 ± 3.61

0.380

 

Percent (Frequency)

Percent (Frequency)

Percent (Frequency)

 

Education

 High school

16% (4)

22.2% (6)

20% (5)

0.110

 Diploma

24% (6)

37% (10)

56% (14)

 Bachelor

40% (10)

37.5% (10)

20% (5)

 Masters' degree and higher

20% (5)

3.7% (1)

4% (1)

Awareness of having PMS

 Yes

48% (12)

29.6% (8)

40% (10)

0.540

 No

52% (13)

70.4(19)

60% (15)

Half of menstrual cycle at the baseline

 First half

44% (11)

55.6% (15)

40% (10)

0.500

 Second half

56% (14)

44.4% (12)

60% (15)

  1. ANOVA for comparison of age in three groups.
  2. Chi-square for comparison of awareness of having PMS, and half of menstrual cycle at the baseline in three groups.
  3. Fisher's exact test for comparison of education in three groups.