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Table 1 Demographic data of female and male amateur volleyball players using or not using OTC analgesics

From: Sex differences in the consumption of over-the-counter analgesics among amateur volleyball players

   OTC analgesics-user non-user
Women N 42+ 29
age (year) * 28.0 ± 6.3, 18–47 24.5 ± 4.9, 18–36
years of playing practice * 14.7 ± 5.9, 4–34 11.9 ± 5.3, 3–23
hours of training (per week) 7.4 ± 4.1, 2–20 9.2 ± 3.8, 3–20
OTC use without medication (years) 5.5 ± 5.5, 0–20, N = 39  
Men N 16 26
age (year) 29.4 ± 10.7, 18–57 29.2 ± 9.1, 18–51
years of playing practice 15.6 ± 1.2, 1–42 14.5 ± 9.7, 1–42
hours of training (per week) 11.5 ± 7.7, 2–32 11.2 ± 5.9, 2–25
OTC use without medication (years) 4.6 ± 3.2, 0–10 N = 13  
  1. Values are presented as mean ± SD, range. * significant different between OTC analgesic-user and non-user, p < 0.05, + one female OTC analgesic-user did not report her age