Logistic regression model for probability of drinking | Negative binomial regression model for amount of alcohol consumed on drinking days | ||||||||
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Parameter | Level | Estimate | Standard error | P-value | Odds ratio | Estimate | Standard error | P-value | Odds ratio |
Intercept | −3.5123a | 0.6325 | <.0001 | - | 3.6665b | 0.2766 | <.0001 | - | |
Age (years, ref = 0) | 0.006217 | 0.01127 | 0.5813 | 1.0062 | −0.01163 | 0.004807 | 0.0156 | 0.9884 | |
Sex (ref = male) | Female | 0.2055 | 0.2796 | 0.4624 | 1.2281 | 0.01766 | 0.1221 | 0.885 | 1.0178 |
Day (ref = Saturday) | Sunday | −0.05629 | 0.08452 | 0.5054 | 0.9453 | −0.02609 | 0.01826 | 0.153 | 0.9742 |
Monday | −0.4179 | 0.0839 | <.0001 | 0.6584 | −0.05914 | 0.01834 | 0.0013 | 0.9426 | |
Tuesday | −0.2794 | 0.08356 | 0.0008 | 0.7562 | −0.0489 | 0.01838 | 0.0078 | 0.9523 | |
Wednesday | −0.2098 | 0.08446 | 0.013 | 0.8107 | −0.03008 | 0.01845 | 0.103 | 0.9704 | |
Thursday | −0.05853 | 0.08508 | 0.4915 | 0.9431 | −0.02463 | 0.01856 | 0.1846 | 0.9757 | |
Friday | −0.03683 | 0.08563 | 0.6671 | 0.9638 | 0.004004 | 0.01865 | 0.83 | 1.004 | |
Log (1 + consumption) day −1 | 0.5019 | 0.01368 | <.0001 | 1.6519 | 0.07999 | 0.004127 | <.0001 | 1.0833 | |
Log (1 + consumption) day −2 | 0.361 | 0.01396 | <.0001 | 1.4348 | 0.05808 | 0.00408 | <.0001 | 1.0598 | |
Log (1 + consumption) day −7 | 0.3777 | 0.01312 | <.0001 | 1.4589 | 0.05105 | 0.003695 | <.0001 | 1.0524 | |
Treatment during follow-up (ref = No treatment) | Psychological | −0.1548 | 0.324 | 0.6328 | 0.8566 | 0.1968 | 0.1405 | 0.1615 | 1.2175 |
Psychological and pharmaceutical | −0.07805 | 0.58 | 0.893 | 0.9249 | 0.09311 | 0.2426 | 0.7012 | 1.0976 | |
Time index | 0.000461 | 0.000198 | 0.02 | 1.0005 | 0.02279 | 0.005067 | <.0001 | 1.0231 | |
Mean of baseline consumption per patient | 0.000659 | 0.001405 | 0.6389 | 1.0007 | 0.01156 | 0.006173 | 0.061 | 1.0116 | |
Standard deviation of baseline consumption per patient | 0.00031 | 0.003629 | 0.9319 | 1.0003 | 0.0253 | 0.0153 | 0.0982 | 1.0256 | |
Depressed (ref = No) | Yes | −0.1817 | 0.2674 | 0.4968 | 0.8339 | 0.1539 | 0.1148 | 0.1801 | 1.1664 |
Day 1 | −3.9724 | 0.5882 | <.0001 | 0.0188 | −0.09164 | 0.1547 | 0.5537 | 0.9124 | |
Day 2 | −2.5372 | 0.5816 | <.0001 | 0.0791 | −0.1644 | 0.1721 | 0.3393 | 0.8484 | |
Day 3 | −0.475 | 0.386 | 0.2185 | 0.6219 | −0.2108 | 0.1105 | 0.0565 | 0.8099 | |
Day 4 | −0.2679 | 0.4006 | 0.5036 | 0.765 | −0.1374 | 0.1088 | 0.2067 | 0.8716 | |
Day 5 | −0.6315 | 0.4465 | 0.1573 | 0.5318 | −0.3298 | 0.1207 | 0.0063 | 0.7191 | |
Day 6 | −1.0807 | 0.5291 | 0.0411 | 0.3394 | −0.2246 | 0.1489 | 0.1314 | 0.7988 | |
Day 7 | −0.4915 | 0.5832 | 0.3994 | 0.6117 | −0.2601 | 0.1488 | 0.0805 | 0.771 |