Quality of Sleep and Its Correlates among Yemeni Medical Students: A Cross-Sectional Study

Table 1

Personal and life-style characteristics of the participants overall and per sleep quality group.

Characteristics	Overall	Poor quality	Good quality		value
Age (mean years (SD))	23.3 (1.7)	23.3 (1.6)	23.2 (1.9)	0.249^§	0.618
Sex				12.252	≤0.01
Female	142 (59%)	84 (59.2%)	58 (40.8%)
Male	98 (41%)	79 (80.6%)	19 (19.4%)
Level of education				0.039	0.89
Third	130 (54%)	89 (68.5%)	41 (31.5%)
Sixth	110 (45%)	74 (67.3%)	36 (32.7%)
Marital status				8.043	0.018
Single	199 (83%)	128 (64.3%)	71 (35.7%)
Married	32 (13%)	26 (81.3%)	6 (18.8%)
Other	9 (4%)	9 (100%)	0 (0%)
Place of residence				1.008	0.799
With the family	174 (72.5%)	115 (66.1%)	59 (33.9%)
In campus	34 (14%)	25 (73.5%)	9 (26.5%)
Rented place	28 (12%)	20 (71.4%)	8 (28.6%)
Other	4 (1.5%)	3 (75%)	1 (25%)
Health status				4.031	0.133
Good	143 (59.8%)	90 (62.9%)	53 (37.1%)
Ok	90 (37.7%)	68 (75.6%)	22 (24.4%)
Poor	6 (2.5%)	4 (66.7%)	2 (33.3%)
Financial status				6.782	0.034
High	89 (37%)	52 (58.4%)	37 (41.6%)
Middle	138 (57.5%)	103 (74.6%)	35 (25.4%)
Low	13 (5.5%)	8 (61.5%)	5 (38.5%)
Working while a student				0.503	0.778
No	152 (63%)	103 (67.8%)	49 (32.2%)
Irregular	67 (28%)	47 (70.1%)	20 (29.9%)
Regular	21 (9%)	13 (61.9%)	8 (38.1%)
Chewing khat (: 361)				11.902	0.003
No	151 (62.9%)	96 (63.6%)	55 (36.4%)
Occasional	43 (17.9%)	26 (60.5%)	17 (39.5%)
Regular	46 (19.2%)	41 (89.1%)	5 (10.9%)
Smoking				2.666	0.264
No	206 (85.8%)	144 (69.9%)	62 (30.1%)
Occasional	32 (13.3%)	18 (56.3%)	14 (43.8%)
Regular	2 (0.8%)	1 (50%)	1 (50%)
Physical exercise (: 360)				1.622	0.444
No	85 (35.4%)	54 (63.5%)	31 (36.5%)
Irregular	145 (60.4%)	101 (69.7%)	44 (30.3%)
Regular	10 (4.2%)	8 (80%)	2 (20%)
Meal intake (: 361)				3.413	0.065
Regular	101 (42%)	62 (61.4%)	39 (38.6%)
Irregular	139 (58%)	101 (72.7%)	38 (27.3%)

^§ value, statistically significant, .