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Table 1 Participants body mass index (BMI) and body fat profiles by age groupsa

From: Russian roulette with unlicensed fat-burner drug 2,4-dinitrophenol (DNP): evidence from a multidisciplinary study of the internet, bodybuilding supplements and DNP users

   Male Female
   18–25 years 28–36 years 39–45 years 18–25 years
  N 22 9 2 2
Body Mass Index (BMI) Mean 27.75 ± 3.70 30.82 ± 3.82 30.85b 21.14 ± 3.11
  Range 21.5–35.6 26.2–35.2 - 18.9–23.3
Actual body fat (%) Mean 15.89 ± 4.05 21.83 ± 14.23 14.50 ± 2.12 26.50 ± 2.12
  Range 7–25 12–50 13 and 16 25 and 28
Desired body fat (%) Mean 9.84 ± 2.06 9.69 ± 2.06 9.00 ± 1.41 19.00 ± 1.41
  Range 7–15 6–12 8 and10 18 and 20
  1. aAge groups were created using k-means clustering maximising distance (F(2,30) = 122.506, p <0.001; all pairwise differences are p <0.001). Differences in BMI and body fat percentages are not statistically significant
  2. bmissing value