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Table 4 Demographic and psychological correlates of sleep quality among university students

From: Sleep quality and its psychological correlates among university students in Ethiopia: a cross-sectional study

Characteristics   Model-I (N = 2511) Adj. OR (95% CI) Model-II (N = 2551) Adj. OR (95% CI) Model-III (N = 2511) Adj. OR (95% CI)
Sex Male 1   1
Female 1.14 (0.94, 1.38)   1.23 (1.00, 1.57)*
Year of Study 2nd year 2.97 (2.18, 4.04)**   2.91 (2.1, 4.02)**
3rd year 2.14 (1.57, 2.92)**   2.25 (1.62, 3.12)**
≥4th year 1   1
University Haramaya 1   1
Gondar 1.22 (1.04,1.44)*   1.36 (1.13, 1.63)*
Perceived stress 1st quartile   1 1
2nd quartile   1.42 (1.13, 1.77)* 1.35 (1.10, 1.70)*
3rd quartile   1.66 (1.32, 2.08)** 1.55 (1.23, 1.96)**
4th quartile   2.11 (1.64, 2.72)** 1.90 (1.46, 2.46)**
Depression Normal   1 1
Mild   1.26 (0.99, 1.61) 1.36 (1.06, 1.75)*
Moderate   1.48 (1.16, 1.90)* 1.64 (1.27, 2.11)**
Severe   1.62 (1.11, 2.37)* 1.64 (1.11, 2.42)*
Extremely severe   2.38 (1.42, 4.00)* 2.65 (1.56, 4.49)**
Anxiety Normal   1 1
Mild   1.33 (1.00, 1.77)* 1.26 (0.94, 1.70)
Moderate   1.31 (1.04, 1.66)* 1.27 (1.00, 1.61)*
Severe   1.82 (1.32, 2.49)** 1.62 (1.17, 2.24)*
Extremely severe   1.94 (1.41, 2.67)** 1.76 (1.27, 2.45)*
  1. *p-value <0.05, **p-value < 0.01.
  2. N.B. The third model is controlled for coffee, khat, alcohol, and cigarette consumption. Age was excluded from the model as it has strong correlation with year of study in University.