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. Author manuscript; available in PMC: 2023 Jan 23.
Published in final edited form as: Alcohol Clin Exp Res. 2022 Jan 23;46(1):100–113. doi: 10.1111/acer.14739

Table 2.

Descriptive statistics for study variables

N persons N days Mean Median Person-level SD Day-level SD ICC ICC: 95% CI*
AUC 218 1272 0.43 0.01 0.35 0.75 0.18 0.12, 0.23
Peak 218 1274 0.06 0.009 0.04 0.09 0.18 0.12, 0.23
Rise Rate (+ TAC / hour) 218 1214 0.01 0.001 0.005 0.02 0.09 0.05, 0.14
Fall Rate (− TAC / hour) 218 1270 0.009 0.003 0.005 0.01 0.17 0.11, 0.22
Duration (hours) 218 1272 6.49 2.03 4.05 6.70 0.27 0.21, 0.33
Morning Report Drinks (all days) 222 1069 2.74 1.00 1.44 3.36 0.16 0.10, 0.21
Morning Report Drinks (on drinking days) 209 554 5.17 5.00 1.89 2.94 0.29 0.19, 0.39
Alcohol-Related Consequences** 209 553 0.53 0.00 0.43 0.93 0.18 0.08, 0.28
Episodic EMA Drinks (daily total) 204 536 7.00 6.00 2.28 4.12 0.23 0.13, 0.33
*

Estimated using bootstrapping with 10,000 sample draws; values represent the 2.5 and 97.5 percentile points of the empirical sampling distribution.

**

Alcohol-related consequences were only reported on days with one or more drinks reported in the morning report.