Table 3 Predictors of excessive daytime sleepiness in bivariable and multivariable logistic regression among Medical and Health Science students of UoG, northwest Ethiopia, 2019 (n = 383)

Cigarette Smoking

No

253 (70.47)

106 (29.53)

Ref

Ref

Yes

11 (45.83)

13 (54.17)

2.82 (1.22–6.50)

1.89 (0.78–4.57)

1.11 (0.99–1.25)

1.00 (0.88–1.15)

Year of study

1st

111 (75)

37 (25)

Ref

Ref

≥2nd

153 (65.11)

82 (34.89)

1.61 (1.02–2.54)

1.61 (0.97–2.67)

Night sleep behavior disorders

No

159 (77.18)

47 (22.82)

Ref

Ref

Yes

105 (59.32)

72 (40.68)

2.32 (1.49–3.61)

1.83 (1.14–2.96)^*

Depression

No

188 (75.20)

62 (24.80)

Ref

Ref

Yes

76 (57.14)

57 (42.86)

2.27 (1.45–3.56)

1.84 (1.13–3.00)^*

Stress

No

55 (76.39)

17 (23.61)

Ref

Ref

Yes

209 (67.20)

102 (32.80)

1.58 (0.87–2.86)

1.18 (0.63–2.21)