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Table 1 Distribution of participants' descriptive characteristics (n=65)

From: The effect of hydrogen-rich water consumption on premenstrual symptoms and quality of life: a randomized controlled trial

Variable

Intervention Group (n=33)

Control Group (n=32)

  
 

Mean±SD

Mean±SD

Total Mean±SD

Test value/P-value

Age (years)

20.79±1.34

20.41±.84

20.60±1.129

t=1.372 P=0.175

Age at menarche (years)

12.76±1.20

12.94±.91

12.85±1.06

t=-0.679 P=0.500

Menstrual cycle duration (days)

27.33±2.88

26.44±3.29

26.89±3.10

t=1.169 P=0.247

Menstruation duration (days)

5.55±1.09

5.91±1.06

5.72±1.08

t=-1.352 P=0.181

Body Mass Index

22.02±4.32

23.03±4.26

22.52±4.29

t=-0.949 P=0.346

 

n (%)

n (%)

Total n (%)

 

Place of residence

 Student dormitory

16 (48.5)

16 (50.0)

32 (49.2)

X=3.041 P=0.219

 With family

11 (33.3)

12 (37.5)

23 (35.4)

 

 In a student's house

6 (18.2)

4 (12.5)

10 (15.4)

 
  1. Abbreviations: t Independent t Test, X Chi Square