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. 2021 Aug 2;69(4):557–565. doi: 10.1016/j.jadohealth.2021.06.016

Table 3.

Logistic and negative binomial regression estimates for any alcohol use and days of any alcohol use among the longitudinal sample (N = 439) and among students with any Wave I alcohol use (N = 238)

Any alcohol use
Days of any alcohol use
Model 1
Model 2
Model 1
Model 2
Odds ratio (95% CI) Marginal effects (SE) Odds ratio (95% CI) Marginal effects (SE) Rate ratio (95% CI) Marginal effects (SE) Rate ratio (95% CI) Marginal effects (SE)
Covid-19 stressors/stress
 Student work reduction .515 (.221–1.200) −.0961 (.0622) .438 (.115–1.672) −.123 (.101) .984 (.582–1.665) −.0545 (.915) 1.031 (.652–1.628) .130 (1.005)
 Parent work reduction .926 (.525–1.635) −.0111 (.0420) 1.017 (.448–2.305) .00245 (.0623) .890 (.627–1.263) −.397 (.618) .923 (.663–1.287) −.342 (.729)
 Distance learning 1.321 (.971–1.797) .0403 (.0224) 1.839∗ (1.097–3.082) .0909 (.0363) 1.062 (.882–1.279) .205 (.322) 1.337∗∗ (1.115–1.604) 1.251∗∗ (.435)
 Education technology 1.084 (.812–1.445) .0116 (.0213) 1.048 (.700–1.568) .00702 (.0306) 1.000 (.851–1.175) −.000592 (.282) .957 (.815–1.124) −.190 (.354)
 Covid-19 diagnosis: self or other 1.436 (.802–2.573) .0524 (.0428) 2.164 (.875–5.354) .115 (.0683) 1.032 (.728–1.465) .109 (.611) 1.076 (.793–1.462) .317 (.671)
 Covid-19 hospitalization: self or other 1.181 (.401–3.476) .0240 (.0796) .699 (.144–3.390) −.0533 (.121) .858 (.515–1.429) −.523 (.903) .820 (.516–1.303) −.852 (1.035)
 Covid-19 stress: low Reference
 Covid-19 stress: moderate 1.230 (.642–2.356) .0300 (.0479) 1.393 (.557–3.488) .0495 (.0694) .824 (.562–1.207) −.663 (.675) 1.163 (.819–1.651) .649 (.783)
 Covid-19 stress: high 1.021 (.499–2.088) .00297 (.0529) .949 (.352–2.561) −.00777 (.0755) 1.262 (.800–1.991) .795 (.822) 1.018 (.634–1.633) .0763 (1.039)
Social engagement
 Social isolation .686 (.360–1.307) −.0545 (.0476) .831 (.321–2.151) −.0276 (.0721) 1.131 (.707–1.809) .421 (.828) 1.503 (.942–2.399) 1.754 (1.060)
 MSPSS-Friends 1.559∗ (1.035–2.350) .0643∗ (.0296) 1.894∗ (1.043–3.439) .0953∗ (.0440) 1.514∗∗ (1.175–1.950) 1.416∗∗ (.512) 1.384∗ (1.076–1.781) 1.399∗ (.583)
 Social distancing: low Reference
 Social distancing: moderate .492∗ (.258–.939) −.103∗ (.0473) .322∗ (.108–.966) −.169∗ (.0838) .723 (.477–1.095) −1.108 (.757) .879 (.607–1.273) −.554 (.814)
 Social distancing: high .270∗∗∗ (.126–.578) −.190∗∗∗ (.0527) .0958∗∗∗ (.0312–.294) −.350∗∗∗ (.0766) .584∗ (.361–.945) −1.838∗ (.896) .585∗ (.375–.913) −2.308∗ (1.010)
p-values from tests of joint significance of Covid-19 stressors/stress and social engagement variables
 Covid-19 stressors/stress .171 .208 .437 .185
 Social engagement <.001 <.001 .002 .015
 Among students with any W1 alcohol use No Yes No Yes
N 437 226 439 238

All models control for W1 alcohol use (any alcohol use for columns 1–2, days of alcohol use columns 5–8), demographic characteristics (age, race, gender, first-generation college student status, sexual/gender minority identity, and free/reduced price lunch eligibility), W1 employment, W1 social variables (social isolation, MSPSS-Friends subscore), the week in which the student responded to W2, the period in which the student responded to W1 (October/November 2019 or January/February 2020), missing indicators (for demographic characteristics, Covid-19 stressors/stress, and W1 and W2 social variables), and a constant. Sample sizes under 439 (Model 1) or 238 (Model 2) are due to loss of observations perfectly predicted by our model.

CI = confidence interval; MSPSS = Multidimensional Scale of Perceived Social Support; SE = standard errors; W1 = Wave I; W2 = Wave II.

∗∗∗p < .001.

∗∗p < .01.

p < .05.