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Table 9 Current smoking status

From: Vitamin D levels and bone mineral density of middle-aged premenopausal female football and volleyball players in Japan: a cross-sectional study

 

Non-exercise

Volleyball

Football

P-value b

(n = 25)

(n = 40)

(n = 27)

None

21

25

22

0.14

(84.0) a

(62.5)

(81.5)

Past experience

2

6

4

(8.0)

(15.0)

(14.8)

Yes

2

9

1

(8.0)

(22.5)

(3.7)

  1. a Number (%)
  2. b P: analysis of covariance