Table A3 Results of Multivariate Regression Analysis Models, with Quality of Sleep as Dependent Variable and Change in Eating Habits and Sociodemographic Characteristics as Independent Variables. 95% Confidence Interval Predictor Estimate SE Z p Odds Ratio Lower Upper Intercept −1.8735 0.395 −4.743 <0.001 0.154 0.0708 0.333 Sex  Male–Female −0.6464 0.253 −2.553 0.011 0.524 0.3190 0.861 Age class  Aged–Adult −0.5144 0.382 −1.347 0.178 0.598 0.2828 1.264  Middle-aged adult −0.0689 0.187 −0.369 0.712 0.933 0.6476 1.346 Education level  High–Low −1.0647 0.340 −3.132 0.002 0.345 0.1771 0.671  Medium–Low −0.8205 0.332 −2.474 0.013 0.440 0.2298 0.843 Change in eating habits  Improved–No change 0.3883 0.268 1.450 0.147 1.474 0.8724 2.492  Worsened–No change 1.3103 0.266 4.930 <0.001 3.707 2.2019 6.242  Mixed–No change 0.8088 0.280 2.885 0.004 2.245 1.2960 3.890