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. 2021 Jan-Mar;14(Spec 1):8–15. doi: 10.5935/1984-0063.20200069

Table 3.

Bivariate and multivariate analysis of factors associated with sleep quality.

Variables Categories Unadjusted modela Adjusted modelb
COR 95%CI p-value AOR 95%CI p-value
Age 18-20 0.93 (0.49-1.74) 0.825 1.09 (0.52-2.29) 0.827
21-23 0.87 (0.47-1.61) 0.650 0.80 (0.39-1.62) 0.528
24-26 Reference Reference
Sex Male 0.69 (0.45-1.07) 0.095 0.81 (0.49-1.32) 0.393
Female Reference Reference
Marital status Married 1.41 (0.60-3.29) 0.430 0.74 (0.29-1.87) 0.520
Single Reference Reference
Place of residence Home 0.69 (0.46-1.03) 0.072 0.68 (0.43-1.10) 0.114
Student hall Reference Reference
Father's occupation Services 1.31 (0.58-3.00) 0.513 1.28 (0.53-3.07) 0.585
Businessman 1.01 (0.43-2.38) 0.980 1.20 (0.47-3.04) 0.700
Farmer 1.01 (0.43-2.38) 0.975 0.98 (0.38-2.54) 0.962
Immigrant 2.15 (0.34-13.80) 0.418 1.67 (0.23-11.82) 0.610
Dead Reference Reference
Mother's occupation Housewife 0.50 (0.29-0.85) 0.011 0.54 (0.30-1.00) 0.050
Employed Reference Reference
Monthly family income <50000 BDT 0.72 (0.42-1.26) 0.25 0.56 (0.29-1.08) 0.085
>50000 BDT Reference Reference
No of siblings 1-3 0.79 (0.17-3.57) 0.755 0.48 (0.10-2.42) 0.374
4-6 0.82 (0.17-3.87) 0.802 0.55 (0.10-2.86) 0.474
  >7 Reference   Reference
Came from Rural area 0.97 (0.65-1.45) 0.887 1.17 (0.70-1.92) 0.576
Urban area Reference Reference
Internet browsing device Mobile 1.44 (0.89-2.35) 0.141 1.63 (0.94-2.82) 0.082
Laptop 1.86 (0.89-3.89) 0.097 1.50 (0.67-3.39) 0.325
Both devices Reference Reference
Smoking habit Yes 0.86 (0.49-1.51) 0.596 0.83 (0.43-1.70) 0.583
No Reference Reference
Physical exercise Regular 1.09 (0.66-1.78) 0.741 1.11 (0.63-1.94) 0.724
Irregular Reference Reference
Brushing teeth before sleep Yes 0.91 (0.61-1.34) 0.627 0.87 (0.56-1.36) 0.546
No Reference Reference
Internet use PIU 0.28 (0.19-0.43) <0.001 0.28 (0.18-0.43) <0.001
Non-PIU Reference Reference

Notes: BDT = Bangladeshi Taka; COR = Crude Odds Ratio; CI = Confidence Interval; AOR = Adjusted Odds Ratio.

a

Unadjusted Model: Dependent variable: Sleep quality; Independent variables: Age, Sex, Marital status, Place of residence, Father's occupation, Mother's occupation, Monthly family income, No of siblings, Came from, Internet browsing device, Smoking Habit, Physical exercise, Brushing teeth before sleep, and Internet use;

b

Adjusted Model: Dependent variable: Sleep quality; Covariates: Age, Sex, Marital status, Place of residence, Father's occupation, Mother's occupation, Monthly family income, No of siblings, Came from, Internet browsing device, Smoking Habit, Physical exercise, Brushing teeth before sleep, and Internet use.