Table A7 Results of Multivariate Regression Analysis Models, with Quality of Sleep as Dependent Variable and Feeling of Fear and Sociodemographic Characteristics as Independent Variables. 95% Confidence Interval Predictor Estimate SE Z p Odds Ratio Lower Upper Intercept −1.309 0.365 −3.584 <0 .001 0.270 0.132 0.553 Sex  Male–Female −0.735 0.266 −2.760 0.006 0.480 0.285 0.808 Age class  Aged–Adult −0.773 0.422 −1.832 0.067 0.462 0.202 1.055  Middle-aged adult −0.160 0.189 −0.847 0.397 0.852 0.588 1.234 Education level  High–Low −1.184 0.362 −3.268 0.001 0.306 0.150 0.623  Medium–Low −0.904 0.356 −2.537 0.011 0.405 0.201 0.814 Fear  Yes–No 0.884 0.195 4.536 <0.001 2.421 1.652 3.548