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Table 1 Characterization of the studied groups by training time, anthropometric nutritional variables and body composition

From: Amateur ballet practicing, body image and eating behaviors: a comparative study of classical ballet dancers, gym users and sedentary women

Variables

Total

Ballet dancers

Gym users

Sedentary women

p, F (df), p, ηp2or H (df), p, ηp2

Mdn (Q1–Q3)

or

M (SD)

Mdn (Q1–Q3)

or

M (SD)

Mdn (Q1–Q3)

or

M (SD)

Mdn (Q1–Q3)

or

M (SD)

Age (years)

25.0 (20.5–29.0)

24.0 (20.0–29.0)

25.0 (23.0–30.0)

25.0 (20.0–37.0)

.461

Practice time (years)

3.0 (1.0–14.3)

14.0 (6.0–17.0)

1.0 (0.5–2.0)

–

 < .0005

Training time (hours/week)

5.0 (3.0–8.0)

7.5 (6.0–10.0)

3.0 (3.0–5.0)

–

 < .0005

Body mass index (Kg/m2)

22.0 (2.9)

20.9 (2.4)*

22.1 (2.4)

23.2 (3.5)

3.41 (2, 53), .04, .11

Body fat (%)

34.4 (30.3–38.9)

31.2 (21.6–34.4)**

34.3 (30.2–38.3)

38.9 (34.2–42.2)

.002

Femoral neck BMD (Z-scores)

0.0 (0.8)

0.2 (1.2)

− 0.2 (0.6)

0.1 (0.6)

.153

  1. Non-parametric data were analyzed using the Kruskal–Wallis H test, followed by the Dunn post-hoc test with effect size assessed by the eta-squared (η2) and the Mann Whitney U test with effect size assessed by Cohen’s d. Parametric data were analyzed by One-way ANOVA F test, followed by Tukey’s post-hoc test with effect size assessed by partial eta-squared ηp2.
  2. BMD bone mineral density
  3. *Tukey’s HSD post-hoc test, p = .031. **Dunn’s post-hoc test, p = .002