Table 1 Descriptive characteristics of the study sample

Demographics

Age, mean ± SD

26.1 ± 6.1

28.6 ± 7.1

28.4 ± 7.0

Body mass index, mean ± SD

26.2 ± 4.1

25.7 ± 5.9

25.8 ± 5.7

Marital status (%)

 Single

40.8

32.4

33.0

 Relationship

48.6

47.3

47.4

 Married

10

18.8

18.2

 Divorced

0.7

1.5

1.4

 Widowed

0

0.1

0.1

Education (%)

 No school diploma

0.2

0.1

0.1

 Secondary school

5.5

2.4

2.6

 Apprenticeship

26.3

21.0

21.4

 Qualifying for university admission

27.5

33.8

33.4

 Academic degree

40.5

42.6

42.5

Sporting activity (%)

Resistance training

77.7

65.4

66.3

Bodybuilding

46.4

3.3

6.4

Endurance

37.0

54.9

53.6

Psychometrics

Tracking calories (%)

 No

24.4

32.2

31.6

 Yes

40.3

31.2

31.8

 Partly

35.3

36.6

36.5

Drive for leanness (5–30), mean ± SD

21.8 ± 4.3

19.1 ± 5.1

19.3 ± 5.1

Drive for thinness (7–42), mean ± SD

19.1 ± 8.5

28.8 ± 8.8

28.1 ± 9.1

MD psychopathology

MDDI total score (13–65), mean ± SD

34.8 ± 8.0

30.1 ± 6.6

30.4 ± 6.8

 Drive for size (5–25), mean ± SD

14.4 ± 4.8

8.5 ± 3.4

8.9 ± 3.8

 Appearance intolerance (4–20), mean ± SD

10.0 ± 3.8

12.9 ± 3.9

12.7 ± 3.9

 Functional impairment (4–20), mean ± SD

10.4 ± 3.8

8.7 ± 3.7

8.8 ± 3.7

MD at-risk (%)

27.7

8.5

9.9

Binge eating

Binge eating days (0–28), median (IQR)

1.0 (0.0, 3.0)

3.0 (0.0, 7.0)

3.0 (0.0, 6.0)

Binge eating DSM 5 (%)

24.9

45.1

43.7