Table 1. Baseline characteristics of intervention and control groups.

	Intervention (n = 28)	TAU (n = 42)	p
Gender n (%)	24 F (85.7)	30 F (71.4)	0.27a
	4 M (14.3)	12 M (28.6)
Age mean value ± SD	38.2±8.7	40.2±9.5	0.37b
Educational level n (%)
• Middle school	8 (28.6)	10 (23.8)	0.34a
• High school	20 (71.4)	29 (60)
• University degree	0 (0)	3 (7.1)
Type of surgery n (%)
• LSG	18 (64.3)	23 (54.8)	0.83a
• LAGB	10 (35.7)	19 (45.2)

TAU: Treatment As Usual; LSG: Laparoscopic Sleeve Gastrectomy; LAGB: Laparoscopic Adjustable Gastric Banding.

^a χ² test.

^bStudent’s t test.