Table 4.
Regression analyses of poor sleep quality based on the characteristics of patients with asthma (N = 200) and COPD (N = 190).
| Asthma | COPD | |||||||
|---|---|---|---|---|---|---|---|---|
| Independent variables | Univariate model: β (95% CI) | p | Multivariate model: β (95% CI) | p | Univariate model: β (95% CI) | p | Multivariate model: β (95% CI) | p |
| Age | 0.009 (0.003, 0.014) | 0.001 | 0.004 (−0.002, 0.010) | 0.206 | −0.014 (−0.020, −0.008) | <0.001 | −0.009 (−0.015, −0.003) | 0.002 |
| Gender (Male) | 0.083 (−0.043, 0.209) | 0.194 | 0.119 (−0.014, 0.252) | 0.080 | 0.180 (0.044, 316) | 0.010 | 0.271 (0.134, 0.408) | <0.001 |
| Marital status (married) | 0.203 (0.099, 0.307) | <0.001 | 0.110 (−0.004, 0.224) | 0.059 | 0.330 (0.201, 0.458) | <0.001 | 0.267 (155, 0.379) | <0.001 |
| BMl | −0.060 (−0.171, 0.050) | 0.281 | −0.111 (−0.218, −0.004) | 0.042 | −0.013 (−0.149, 0.123) | 0.847 | 0.096 (−0.020, 0.211) | 0.106 |
| Family history of the disease (no) | −0.016 (−0.163, 0.131) | 0.828 | −0.120 (−0.281, 0.040) | 0.142 | −0.358 (−0.589, −0.128) | 0.002 | −0.159 (−0.387, 0.068) | 0.169 |
| Smoking (lifetime) (no) | −0.009 (−0.173, 0.154) | 0.909 | 0.014 (−0.146, 0.175) | 0.860 | 0.082 (−0.072, 0.236) | 0.293 | −0.118 (−0.259, 0.024) | 0.103 |
| Education level (pre-university level) | −0.188 (−0.311, −0.066) | 0.003 | −0.278 (−0.403, −0.153) | <0.001 | −0.166 (−0.310, −0.022) | 0.024 | −0.161 (−0.305, −0.016) | 0.029 |
| Previous hospital admission (no) | −0.066 (−0.190, 0.059) | 0.298 | −0.212 (−0.349, −0.075) | 0.003 | −0.065 (−0.315, 0.185) | 0.610 | −0.168 (−0.457, 0.121) | 0.253 |
| Comorbid illness (yes) | 0.087 (0.032, 0.142) | 0.002 | 0.104 (0.046, 0.162) | <0.001 | −0.061 (−0.128, 0.005) | 0.071 | −0.072 (−0.132, −0.013) | 0.018 |
| Dyspnea last month (no) | −0.048 (−0.154, 0.059) | 0.379 | 0.080 (−0.033, 0.193) | 0.166 | −0.233 (−0.364, −0.102) | 0.001 | −0.093 (−0.258, 0.072) | 0.267 |
| Depression (yes) | 0.247 (0.146, 0.347) | <0.001 | 0.175 (0.068, 0.282) | 0.001 | −0.035 (−0.170, 0.100) | 0.611 | −0.378 (−0.527, −0.228) | <0.001 |
| Anxiety (yes) | 0.070 (−0.039, 0.179) | 0.208 | 0.053 (−0.058, 0.164) | 0.350 | 0.337 (0.204, 0.471) | <0.001 | 0.433 (0.269, 0.598) | <0.001 |
Model R-square of participants with asthma = 0.299, value of p < 0.001. Model R-square of participants with COPD = 0.471, value of p < 0.001.