Table 2.
Multivariate linear regression results predicting Generalized Anxiety Disorder 7 score as a function of key covariates.
| Covariates | Coefficient (95% CI) | P value | |
| Time spent online per day in the past 14 days (reference: 1 minute to 2 hours) | |||
|
|
2-4 hours | –0.59 (–2.54 to 1.36) | .55 |
|
|
4-6 hours | –0.05 (–1.95 to 1.85) | .96 |
|
|
6-8 hours | –0.55 (–2.45 to 1.35) | .57 |
|
|
>8 hours | –0.03 (–1.92 to 1.87) | .98 |
| Greater than 4 hours online activity searching for/reading information/watching videos about COVID-19 per day | 1.29 (0.47 to 2.11) | .002 | |
| Consumed more than 5 alcoholic drinks a day (in the past 14 days) | 0.31 (–0.32 to 0.93) | .34 | |
| Used any drugs including marijuana, cocaine or crack, heroin, methamphetamine (crystal meth), hallucinogens, ecstasy/MDMA in the past 14 days | –0.18 (–0.94 to 0.57) | .64 | |
| Used prescription medications just for the feeling, more than prescribed, or that were not prescribed (eg, opiates, medications for anxiety, sleep, ADHDa) in the past 14 days | 1.12 (0.30 to 1.93) | .007 | |
| MOSb Sleep Scale score | –1.02 (–1.35 to –0.69) | <.001 | |
| COVID-19 Fear Inventory Scale score | 1.47 (0.76 to 2.17) | <.001 | |
| Age | 0.00 (–0.03 to 0.02) | .91 | |
| Female (reference: male) | 0.66 (–0.12 to 1.45) | .10 | |
| Greater than or equal to high school/GEDc education | –2.77 (–4.10 to –1.44) | <.001 | |
| Race/ethnicity (reference: non-Hispanic White) | |||
|
|
Non-Hispanic Black | 1.24 (–0.89 to 1.12) | .82 |
|
|
Hispanic | 1.43 (–0.72 to 1.22) | .61 |
|
|
Asian | 1.49 (–0.33 to 2.60) | .13 |
|
|
Other | –1.25 (–2.55 to 0.05) | .06 |
| Sample size (N) | 406 | N/Ad | |
| Adjusted R2 | 0.221 | N/A | |
aADHD: attention-deficit/hyperactivity disorder.
bMOS: Medical Outcomes Study.
cGED: General Educational Development.
dN/A: not applicable.