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. Author manuscript; available in PMC: 2023 Feb 26.
Published in final edited form as: Alcohol Clin Exp Res. 2022 Oct 4;46(11):2110–2120. doi: 10.1111/acer.14946

TABLE 2.

Frequency of peak hour rate by alcohol and co-use days

Peak hour rate (# drinks) Alcohol-only days Co-use days
n (valid/cumulative %) n (valid/cumulative %)
(Total n = 1530) (Total n = 1580)
1 499 (32.6% / 32.6%) 419 (26.5% / 26.5%)

2 408 (26.7% / 59.3%) 483 (30.6% / 57.1%)

3 296 (19.3% / 78.6%) 322 (20.4% / 77.5%)

4 163 (10.6% / 89.3%) 159 (10% / 87.5%)

5 92 (6.1% / 95.3%) 94 (6% / 93.5%)

6+ 72 (4.7% / 100%) 103 (6.5% / 100%)