Quality of sleep and its determinants among people with type 2 diabetes mellitus in Northwest of Iran

Table 3 Predictors of sleep quality among diabetic patients (outcome poor sleeper vs good sleepers)

Characteristics	OR crude (95%CI)	OR adjusted (95%CI)
Age group (yr)
< 50	Ref	Ref
50-59	1.905 (1.004-3.613)	2.033 (1.014-4.077)
≥ 60	1.430 (0.709-2.881)	1.223 (0.561-2.668)
P value	0.139	0.097
Duration of disease (yr)
< 6	--	--
≥ 6	2.221 (1.312-3.760)	1.767 (0.981-3.182)
P value	0.003	0.058
Complications
No	Ref	Ref
Yes	1.912 (1.144-3.197)	1.438 (0.805-2.568)
P value	0.013	0.219
Psychological distress (K10)
No distress	Ref	Ref
Mild distress	1.832 (0.947-3.543)	1.835 (0.910-3.701)
Moderate distress	3.481 (1.631-7.429)	3.282 (1.430-7.533)
High distress	4.679 (2.063-10.615)	4.087 (1.710-9.765)
P value	< 0.001	0.005
Total cholesterol
Desirable	Ref	Ref
≥ 240	2.123 (1.142-3.949)	1.989 (1.006-3.935)
P value	0.017	0.048

P value was reported based on univariate and multivariate logistic regression tests. Only variables with significant association in either univariate or multivariate models have been reported. Dependent variable: Sleep quality; OR: Odds ratio.