Appendix A
Table A1  Results of Multivariate Regression Analysis Models, with Quality of Sleep as Dependent Variable and Financial Problems and Sociodemographic Characteristics as Independent Variables.
95% Confidence Interval
Predictor  Estimate  SE  Z   p  Odds Ratio  Lower  Upper
Intercept  −1.403  0.358  −3.923  <0 .001  0.246  0.122  0.496
Sex
 Male–Female  −0.840  0.264  −3.184  0.001  0.432  0.258  0.724
Age class
 Aged–Adult  −0.864  0.452  −1.911  0.056  0.421  0.174  1.023
 Middle-aged–Adult  −0.141  0.191  −0.738  0.460  0.869  0.598  1.262
Education level
 High–Low  −1.073  0.350  −3.065  0.002  0.342  0.172  0.679
 Medium–Low  −0.913  0.344  −2.656  0.008  0.401  0.205  0.787
Financial problems
 Many–None  1.940  0.376  5.156  <0 .001  6.962  3.329  14.556
 Some–None  0.556  0.199  2.788  0.005  1.743  1.179  2.576
Table A2  Results of Multivariate Regression Analysis Models, with Quality of Sleep as Dependent Variable and Change in PA Habits and Sociodemographic Characteristics as Independent Variables.
95% Confidence Interval
Predictor  Estimate  SE  Z   p  Odds Ratio  Lower  Upper
Intercept  −1.245  0.352  −3.536  <0 .001  0.288  0.144  0.574
Sex
 Male–Female  −0.788  0.258  −3.061  0.002  0.455  0.274  0.753
Age class
 Aged–Adult  −0.985  0.452  −2.178  0.029  0.374  0.154  0.906
 Middle-aged–Adult  −0.104  0.190  −0.544  0.586  0.902  0.621  1.309
Education level
 High–Low  −1.268  0.342  −3.709  <0.001  0.281  0.144  0.550
 Medium–Low  −0.962  0.335  −2.871  0.004  0.382  0.198  0.737
Change in PA habits
 Improved–No change  −0.595  0.532  −1.120  0.263  0.551  0.195  1.563
 Worsened–No change  0.483  0.183  2.638  0.008  1.621  1.132  2.321
Legend PA = Physical activity.
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
Table A4  Results of Multivariate Regression Analysis Models, with Quality of Sleep as Dependent Variable and Feeling of Tension and Sociodemographic Characteristics as Independent Variables.
95% Confidence Interval
Predictor  Estimate  SE  Z   p  Odds Ratio  Lower  Upper
Intercept  −1.61890  0.371  −4.3681  <0.001  0.198  0.0958  0.410
Sex
 Male–Female  −0.74502  0.266  −2.8051  0.005  0.475  0.2821  0.799
Age class
 Aged–Adult  −0.40416  0.406  −0.9958  0.319  0.668  0.3013  1.479
 Middle-aged adult  0.00382  0.190  0.0202  0.984  1.004  0.6924  1.455
Education level
 High–Low  −1.11701  0.359  −3.1102  0.002  0.327  0.1619  0.662
 Medium–Low  −0.81351  0.353  −2.3049  0.021  0.443  0.2220  0.885
Tension
 Yes–No  1.25585  0.184  6.8324  <0.001  3.511  2.4488  5.033
Table A5  Results of Multivariate Regression Analysis Models, with Quality of Sleep as Dependent Variable and Feeling of Upset and Sociodemographic Characteristics as Independent Variables.
95% Confidence Interval
Predictor  Estimate  SE  Z   p  Odds Ratio  Lower  Upper
Intercept  −1.4162  0.367  −3.863  <0.001  0.243  0.118  0.498
Sex
 Male–Female  −0.8490  0.272  −3.116  0.002  0.428  0.251  0.730
Age class
 Aged–Adult  −0.6390  0.424  −1.507  0.132  0.528  0.230  1.212
 Middle-aged Adult  −0.0489  0.190  −0.257  0.797  0.952  0.656  1.382
Education level
 High–Low  −1.2453  0.358  −3.483  <0.001  0.288  0.143  0.580
 Medium–Low  −0.9358  0.352  −2.657  0.008  0.392  0.197  0.782
Upset
 Yes–No  1.1042  0.184  6.012  <0.001  3.017  2.105  4.324
Table A6  Results of Multivariate Regression Analysis Models, with Quality of Sleep as Dependent Variable and Feeling of Worry and Sociodemographic Characteristics as Independent Variables.
95% Confidence Interval
Predictor  Estimate  SE  Z   p  Odds Ratio  Lower  Upper
Intercept  −1.647  0.374  −4.41  <0 .001  0.193  0.0926  0.400
Sex
 Male–Female  −0.624  0.254  −2.46  0.014  0.536  0.3254  0.882
Age class
 Aged–Adult  −0.653  0.380  −1.72  0.086  0.520  0.2471  1.096
 Middle-aged adult  −0.203  0.188  −1.08  0.280  0.817  0.5652  1.180
Education level
 High–Low  −1.093  0.350  −3.12  0.002  0.335  0.1688  0.666
 Medium–Low  −0.796  0.343  −2.32  0.020  0.451  0.2305  0.883
Worry
 Yes–No  0.836  0.186  4.48  <0.001  2.306  1.6003  3.324
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
Table A8  Results of Multivariate Regression Analysis Models, with Quality of Sleep as Dependent Variable and Feeling of Loneliness and Sociodemographic Characteristics as Independent Variables.
95% Confidence Interval
Predictor  Estimate  SE  Z   p  Odds Ratio  Lower  Upper
Intercept  −1.354  0.374  −3.620  <0.001  0.258  0.124  0.538
Sex
 Male–Female  −0.836  0.264  −3.161  0.002  0.434  0.258  0.728
Age class
 Aged–Adult  −0.815  0.424  −1.923  0.054  0.443  0.193  1.016
 Middle-aged adult  −0.140  0.192  −0.730  0.466  0.869  0.596  1.267
Education level
 High–Low  −1.153  0.368  −3.130  0.002  0.316  0.153  0.650
 Medium–Low  −0.886  0.362  −2.448  0.014  0.412  0.203  0.838
Loneliness
 Yes–No  1.122  0.199  5.635  <0.001  3.070  2.079  4.536
Table A9  Results of Multivariate Regression Analysis Models, with Quality of Sleep as Dependent Variable and Feeling of Uncertainty and Sociodemographic Characteristics as Independent Variables.
95% Confidence Interval
Predictor  Estimate  SE  Z   p  Odds Ratio  Lower  Upper
Intercept  −1.874  0.383  −4.893  <0.001  0.154  0.0725  0.325
Sex
 Male–Female  −0.651  0.252  −2.577  0.010  0.522  0.3181  0.856
Age class
 Aged–Adult  −0.816  0.398  −2.051  0.040  0.442  0.2028  0.964
 Middle-aged adult  −0.144  0.188  −0.769  0.442  0.866  0.5994  1.250
Education level
 High–Low  −1.119  0.351  −3.191  0.001  0.327  0.1643  0.649
 Medium–Low  −0.770  0.341  −2.259  0.024  0.463  0.2375  0.903
Uncertainty
 Yes–No  1.000  0.206  4.853  <0.001  2.717  1.8146  4.069
Note. Estimates represent the log odds of “good sleep quality category” versus “poor sleep quality category”.