Table 3. Characteristics of the study population according to sleep quality.

	Sleep Quality
	Good	Poor	p -value
	N = 1292	N = 312
Sex: N (%)
Female	609 (47.1%)	198 (63.5%)	< 0.001
Male	683 (52.9%)	114 (36.5%)
Age: N (%)
< 50 years	768 (59.4%)	150 (48.1%)	< 0.001
≥ 50 years	524 (40.6%)	162 (51.9%)
Level of schooling: N (%)
Primary education	387 (30.0%)	130 (41.7%)	< 0.001
Secondary education	622 (48.1%)	124 (39.7%)
Higher education	283 (21.9%)	58 (18.6%)
Socioeconomic level: N (%)
Low	425 (32.9%)	111 (35.6%)	0.67
Medium	446 (34.5%)	103 (33.0%)
High	421 (32.6%)	98 (31.4%)
Employment status: N (%)
Not employed	391 (30.2%)	126 (40.4%)	< 0.001
Employed	901 (69.7%)	186 (59.6%)
Health insurance: N (%)
No	114 (8.8%)	26 (8.3%)	0.78
Yes	1,178 (91.3%)	286 (91.7%)
Daily smoker: N (%)
No	1,221 (94.5%)	291 (93.3%)	0.40
Yes	71 (5.5%)	21 (6.7%)
Alcohol consumption: N (%)
No	1,189 (92.0%)	294 (94.2%)	0.19
Yes	103 (8.0%)	18 (5.8%)
Practice of physical activity, N (%)
Moderate/high	804 (62.2%)	198 (63.5%)	0.69
Low	488 (37.8%)	114 (36.5%)
Body Mass Index: N (%)
Normal	358 (27.7%)	67 (21.5%)	0.08
Overweight	561 (43.4%)	144 (46.2%)
Obese	373 (28.9%)	101 (32.4%)