Handgrip strength

Low

Middle

High

P-value

Number

80

105

75

Handgrip strength (kg)*

21.8

(1.8)

25.9

(1.2)

30.8

(2.2)

<0.001

Age (years)*

19.7

(1.6)

20.2

(2.6)

20.2

(3.7)

0.381

Height (cm)*

157.3

(4.4)

157.7

(4.8)

159.3

(5.3)

0.022

Weight (kg)*

48.7

(5.0)

51.2

(6.5)

53

(6.0)

<0.001

BMI (kg/m²)*

19.7

(1.8)

20.6

(2.2)

20.9

(2.0)

0.001

Menstrual cycle

<24 days

1

(1.3)

8

(7.7)

5

(6.8)

0.580

(n = 257)

25 - 31 days

54

(68.4)

64

(61.5)

48

(64.9)

32 - 38 days

19

(24.1)

27

(26.0)

16

(21.6)

>39 days

5

(6.3)

5

(4.8)

5

(6.8)

Menstrual phase

Luteal

40

(50.0)

43

(41.3)

37

(49.3)

0.446

(n = 259)

Menstrual

20

(25.0)

22

(21.2)

16

(21.3)

Follicular

9

(11.3)

24

(23.1)

15

(20.0)

don't know

11

(13.8)

15

(14.4)

7

(9.3)