Table 1 Descriptive statistics (means and standard deviations) of gender, age, education, present comorbidities and plans to undergo metabolic surgery across BMI category

gender^a

1.90 (0.30)

1.90 (0.31)

1.83 (0.38)

1.92 (0.27)

0.319

% men

9.9

10.0

17.2

7.6

-

% women

90.1

90.0

82.8

92.4

-

age

46.50 (9.19)

50.20 (9.73)

47.10 (9.12)

45.12 (8.77)

0.032*

education^b

3.51 (1.14)

3.47 (0.94)

3.55 (1.21)

3.52 (1.19)

0.570

comorbidities^c

2.76 (1.62)

2.45 (1.57)

2.64 (1.52)

2.90 (1.67)

-

% binge eating syndrome

18.9

17.2

14.3

20.9

0.714

% night eating syndrome

7.4

6.9

10.7

6.6

0.762

% type 2 diabetes mellitus

20.3

17.2

21.4

20.9

0.901

% hypertension

38.8

37.9

25.0

45.1

0.161

% anxiety disorder

14.2

13.8

21.4

12.1

0.463

% depression

36.5

34.5

35.7

37.4

0.957

Metabolic surgery^d

1.24 (0.72)

2.00 (0.00)

1.39 (0.85)

1.03 (0.64)

0.001***

% not planned or undergone

9.9

-

13.8

11.8

-

% planned

25.7

-

10.3

38.7

-

% undergone

24.3

43.3

37.9

14.0

-