Table 1 Sociodemographic, health and occupational data of the dancers in the total sample (n = 72) and in the language versions (n = 36 each)

Gender

n (%)

0.29^a

 Female

52 (72.2)

24 (66.7)

28 (77.8)

 Male

20 (27.8)

12 (33.3)

8 (22.2)

Age (years)*

0.00^d

 \(\overline{x }\) (sd)

30.3 (8.6)

26.0 (4.6)

34.5 (9.7)

Height (cm)

0.80^d

 \(\overline{x }\) (sd)

167.8 (7.9)

167.6 (7.7)

168.0 (8.2)

Weight (kg)

0.25^d

 \(\overline{x }\) (sd)

57.9 (9.5)

56.6 (9.1)

59.2 (9.9)

Body mass index (kg/m²)

0.097^d

 \(\overline{x }\) (sd)

20.5 (2.1)

20.0 (1.8)

20.9 (2.3)

Injuries

n (%)

0.15^a

 No

44 (61.1)

25 (69.4)

19 (52.8)

 Yes

28 (38.9)

11 (30.6)

17 (47.2)

Diseases*

n (%)

0.003^a

 No

50 (69.4)

31 (86.1)

19 (52.8)

 Yes

21 (29.2)

5 (19.9)

16 (44.4)

 Missing [n (%)]

[1 (1.4)]

–

[1 (2.8)]

Smoking

n (%)

0.22^b

 No

50 (69.4)

23 (63.9)

27 (75.0)

 Yes, ≤ 10 cigarettes/day

18 (25.0)

12 (33.3)

6 (16.7)

 Yes, > 10 cigarettes/day

4 (5.6)

1 (2.8)

3 (8.3)

Years of professional work*

0.004^d

 \(\overline{x }\) (sd)

9.1 (7.7)

6.5 (4.5)

11.7 (9.3)

 Missing [n (%)]

[1 (1.4)]

[1 (2.8)]

–

Employment relationship*

n (%)

0.00^a

 Freelance

29 (40.3)

5 (13.9)

24 (66.7)

 Salaried

43 (59.7)

31 (86.1)

12 (33.3)

Dance style*

n (%)

0.002^b

 Classical/neoclassical

26 (36.1)

19 (52.8)

7 (19.4)

 Contemporary/dance theater

35 (48.6)

16 (44.4)

19 (52.8)

 Musical/revue

2 (2.8)

0

2 (5.6)

 Other

9 (12.5)

1 (2.8)

8 (22.2)

Working hours (per week)

\(\widetilde{x}\) (IQR), Missing [n (%)]

 Training

7.5 (2.5)

7.5 (1.0)

7.75 (6.0)

0.85^c

 Rehearsals*

20.0 (20.0)

[2 (2.8)]

29.5 (10.0)

–

20.0 (12.0)

[2 (5.6)]

0.00^c

 Performances

3.0 (2.5)

[9 (12.5)]

3.0 (2.5)

[1 (2.8)]

2.5 (3.5)

[8 (22.2)]

0.60^c