Table 3.
Multiple regression analysis of confounding factors between the incidence of bath-related deaths and each environmental temperature.
| RC | SD | SRC | PCC | t | p | |
|---|---|---|---|---|---|---|
| Maximum temp | ||||||
| Constant term | 0.0510 | 0.0665 | 0.0510 | 0.7666 | 0.44625038 | |
| Temp | − 0.0025 | 0.0003 | − 0.7112 | − 0.7297 | − 8.4020 | 7.9615E−12 |
| Age | − 0.0002 | 0.0008 | − 0.0262 | − 0.0385 | − 0.3030 | 0.76290807 |
| Male ratio | 0.0586 | 0.0183 | 0.2702 | 0.3778 | 3.2125 | 0.00208794 |
| HT | 0.0467 | 0.0208 | 0.2275 | 0.2736 | 2.2398 | 0.02870124 |
| CVD | 0.0410 | 0.0208 | 0.1723 | 0.2433 | 1.9750 | 0.05272799 |
| DM | − 0.0843 | 0.0211 | − 0.3908 | − 0.4533 | − 4.0045 | 0.00016881 |
| CNS | 0.0308 | 0.0214 | 0.1463 | 0.1793 | 1.4353 | 0.15622533 |
| Minimum temp | ||||||
| Constant term | 0.1009 | 0.0460 | 0.1009 | 2.1914 | 0.03213183 | |
| Temp | − 0.0023 | 0.0002 | − 0.8180 | − 0.8137 | − 11.1098 | 1.7573E-16 |
| Age | − 0.0004 | 0.0006 | − 0.0588 | − 0.0980 | − 0.7816 | 0.43736225 |
| Male ratio | − 0.0197 | 0.0138 | − 0.1210 | − 0.1779 | − 1.4352 | 0.15618143 |
| HT | 0.0272 | 0.0107 | 0.1817 | 0.3049 | 2.5409 | 0.01353093 |
| CVD | − 0.0145 | 0.0163 | − 0.0650 | − 0.1114 | − 0.8895 | 0.37712267 |
| DM | − 0.0396 | 0.0186 | − 0.1902 | − 0.2593 | − 2.1307 | 0.03702139 |
| CNS | − 0.0169 | 0.0229 | − 0.0563 | − 0.0924 | − 0.7364 | 0.46419924 |
| Mean temp | ||||||
| Constant term | 0.1483 | 0.0470 | 0.1483 | 3.1552 | 0.00256094 | |
| Temp | − 0.0026 | 0.0002 | − 0.9625 | − 0.8698 | − 13.3073 | 3.9414E-19 |
| Age | − 0.0011 | 0.0006 | − 0.1472 | − 0.2465 | − 1.9199 | 0.05987699 |
| Male ratio | − 0.0060 | 0.0130 | − 0.0343 | − 0.0607 | − 0.4590 | 0.64794913 |
| HT | − 0.0030 | 0.0097 | − 0.0200 | − 0.0413 | − 0.3121 | 0.75606912 |
| CVD | 0.0297 | 0.0167 | 0.1502 | 0.2290 | 1.7764 | 0.08099937 |
| DM | 0.0090 | 0.0181 | 0.0472 | 0.0660 | 0.4996 | 0.61927542 |
| CNS | 0.0317 | 0.0144 | 0.1646 | 0.2802 | 2.2035 | 0.03161373 |
| Temp difference | ||||||
| Constant term | − 0.0605 | 0.0496 | − 0.0605 | − 1.2195 | 0.23129984 | |
| Temp | 0.0012 | 0.0003 | 0.6141 | 0.5800 | 4.0904 | 0.00026012 |
| Age | 0.0006 | 0.0006 | 0.1277 | 0.1678 | 0.9776 | 0.33537494 |
| Male ratio | 0.0079 | 0.0109 | 0.1108 | 0.1243 | 0.7198 | 0.47671474 |
| HT | 0.0036 | 0.0105 | 0.0506 | 0.0590 | 0.3396 | 0.73632372 |
| CVD | 0.0447 | 0.0125 | 0.4409 | 0.5290 | 3.5812 | 0.00108518 |
| DM | 0.0327 | 0.0186 | 0.2444 | 0.2922 | 1.7553 | 0.08848030 |
| CNS | 0.0149 | 0.0198 | 0.1120 | 0.1302 | 0.7541 | 0.45611313 |
Temp temperature, HT hypertension, CVD cardiovascular disease, DM diabetes mellitus, CNS central nervous system disorders, RC Regression coefficient, SD Standard deviation, PCC Partial correlation coefficient, t t-value, p p-value.