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Table 4 Logistic regression showing association between factors and sleep quality among undergraduate medical students at Tikur Anbessa specialized hospital Addis Ababa Ethiopia, 2019 (N = 576)

From: Magnitude and correlates of sleep quality among undergraduate medical students in Ethiopia: cross –sectional study

Explanatory variables

Sleep quality

Crude Odds ratio (95% ci)

Adjusted Odds ratio (95% ci)

Poor (n = 357)

Good (n = 219)

Sex

 Female

189

77

2.08 (1.47, 2.93)

1.48 (0.93,2.36)

 Male

168

142

1.00

1.00

Current alcohol use

 Yes

154

82

1.27 (0.89,1.79)

1.22 (0.78,1.92)

 No

203

137

1.00

1.00

Current khat use

 Yes

41

17

1.54 (0.85, 2.79`)

1.91 (0.89,4.06)

 No

316

202

1.00

1.00

Depression

 Yes

273

96

4.16 (2.89, 5.98)

1.92 (1.16, 3.19)*

 No

84

123

1.00

1.00

Stress

 Yes

238

84

3.21 (2.27,4.56)

2.04 (1.26, 3.31)**

 No

119

135

1.00

1.00

Anxiety

 Yes

234

81

3.24 (.2.28,4.60)

1.47 (0.907, 2.39)

 No

123

138

1.00

1.00

Sleep hygiene

 Poor

205

72

2.75 (1.94,3.91)

3.01 (1.75,5.18) **

 Good

152

147

1.00

1.00

Social support

 Poor

208

72

2.08 (1.33,3.25)

5.39 (2.33, 12.49)**

 Moderate

78

96

0.58 (0.37,0.93)

1.58 (0.69,3.59)

 Strong

71

51

1.00

1.00

 CGPA

  

0.195 (0.14,0.27)

0.19 (0.13, 0.28)**

  1. N.B. 1.00 reference, *p-value less than 0.05, **p-value less than 0.001