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

Table 2.

Pre- and mid-pandemic comparison of rates of alcohol use among the longitudinal sample (N = 439)

Prevalence Pre-pandemic (Wave I)
Mid-pandemic (Wave II)
Wave II–Wave 1
Significance
Percentage Frequency Percentage Frequency Percentage point difference p-value
Any alcohol use 54.2% 238 46.0% 202 −8.2% .015
Any binge alcohol use 35.5% 156 24.6% 108 −10.9% <.001
Days of use Mean SD Mean SD Difference of means p-value
Days of any alcohol use 2.51 3.42 2.57 4.48 .0592 .826
Days of binge alcohol use 1.26 2.22 1.05 2.74 −.214 .204

Statistical significance of differences in alcohol use between Wave I and Wave II was assessed by Pearson’s chi-squared tests for prevalence and t-tests for days of use.

SD = standard deviation.