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Table 2 Amount of smoking (number of cigarettes smoked and CO concentration) in the menstrual, follicular and luteal phases

From: Association of menstrual phase with smoking behavior, mood and menstrual phase-associated symptoms among young Japanese women smokers

 

Menstrual mean (SD)

Follicular mean (SD)

Luteal mean (SD)

p-value

partial η2

Number of cigarettes (per day)

16.1 (5.6)

14.7 (5.4)1)

18.3 (4.9)1)

0.007

0.081

Range

10.0–30.0

10.0–22.0

10.0–30.0

 

CO concentration (ppm)

15.5 (5.8)

14.1 (6.8)2)

18.1 (5.1)2)

0.019

0.070

Range

3.7-28.0

4.0-30.0

11.0-36.0

  
  1. 1) p = 0.028, 2) p = 0.034.
  2. Data were analyzed by one-way repeated measures ANOVA followed by Tukey’s multiple comparison test.