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Table 3 Days of absence per month due to premenstrual symptoms

From: The prevalence and risk factors of school absenteeism due to premenstrual disorders in Japanese high school students—a school-based cross-sectional study

Absent

Total

No/mild PMS

Moderate-to-severe PMS

PMDD

N = 901

n = 784

n = 89

n = 28

Yes

107 (11.9)

64 (8.2)

31 (34.8)

12 (42.9)

 1–3 day(s)

94 (10.4)

58 (7.4)

26 (29.2)

10 (35.7)

 4–6 days

8 (0.9)

5 (0.6)

1 (1.1)

2 (7.1)

 7–10 days

5 (0.6)

1 (0.1)

4 (4.5)

0 (0.0)