Table 3. Negative binomial model with intra-COVID-19 pandemic scores on the Hoarding Rating Scale.
| Parameter Estimates | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Parameter | B | Std. Error | 95% Wald Confidence Interval | Hypothesis Test | Collinearity statistics | ||||
| Lower | Upper | Wald Chi-Square | df | Sig. | Tolerance | VIF | |||
| (Intercept) | -3.427 | 1.1546 | -5.690 | -1.164 | 8.811 | 1 | .003 | ||
| Age | .001 | .0036 | -.006 | .008 | .143 | 1 | .705 | .852 | 1.173 |
| Male (vs. other) gender | .027 | .0860 | -.142 | .195 | .097 | 1 | .756 | .960 | 1.041 |
| Lower (vs. higher) education levels | .162 | .1481 | -.128 | .452 | 1.200 | 1 | .273 | .950 | 1.052 |
| Non-white (vs. white) ethnicity | .143 | .0967 | -.047 | .332 | 2.184 | 1 | .139 | .939 | 1.065 |
| Non-married (vs. married) status | -.060 | .0906 | -.238 | .117 | .441 | 1 | .507 | .900 | 1.111 |
| Unemployed (vs. employed) | -.265 | .1794 | -.617 | .086 | 2.185 | 1 | .139 | .968 | 1.033 |
| Lack vs. presence of past HD diagnosis | 2.708 | 1.0525 | .645 | 4.771 | 6.620 | 1 | .010 | .955 | 1.047 |
| Negative (vs. positive) family history of HD | .103 | .2765 | -.439 | .645 | .138 | 1 | .710 | .968 | 1.033 |
| Number of COVID-19 related events | .009 | .0344 | -.058 | .076 | .069 | 1 | .792 | .491 | 2.036 |
| Number of COVID-19 related stressful events | .011 | .0251 | -.038 | .060 | .201 | 1 | .654 | .499 | 2.004 |
| CHIT total | .019 | .0074 | .004 | .033 | 6.494 | 1 | .011 | .719 | 1.391 |
| BIS total | .011 | .0097 | -.008 | .030 | 1.263 | 1 | .261 | .822 | 1.217 |
| SPQ total | .023 | .0099 | .004 | .042 | 5.486 | 1 | .019 | .627 | 1.596 |
| DASS21 depression (before) | .017 | .0138 | -.010 | .044 | 1.600 | 1 | .206 | .388 | 2.576 |
| DASS21_anxiety (before) | -.009 | .0206 | -.049 | .032 | .186 | 1 | .666 | .442 | 2.260 |
| DASS21_stress_(before) | -.027 | .0180 | -.063 | .008 | 2.310 | 1 | .129 | .329 | 3.040 |
| HRS_total_(before) | .160 | .0086 | .143 | .177 | 342.240 | 1 | <.001 | .722 | 1.386 |
| (Scale) | 1 | ||||||||
| (Negative binomial) | 1 | ||||||||
Footnote: CHIT= Cambridge-Chicago Trait Compulsivity Scale; BIS= Barratt Impulsiveness Scale; SPQ=Schizotypal Personality Questionnaire; DASS-21= Depression Anxiety Stress Scale-21; HRS=Hoarding Rating Scale.