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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Drug Alcohol Depend. 2015 Nov 19;158:94–101. doi: 10.1016/j.drugalcdep.2015.11.008

Table 3.

Probability of post-discharge 30-day treat and release ED visits, across AUDIT-C Risk Groups.

Nondrinking Low-risk drinking Moderate-risk drinking High-risk drinking
% (95% CI) % (95% CI) % (95% CI) % (95% CI)
N=357,086 N= 156,928 N = 58,149 N=7167
30-day ED treat and release visits
 Unadjusted 12.9 (12.8–13.0%)*** 10.7 (10.5–10.8%) 10.4 (10.1–10.6%)* 12.7 (11.9–13.5%)***
 Adjusted for demographicsa 12.8(12.7–12.9%)*** 10.9 (10.7–11.0%) 10.5 (10.3–10.8%)* 12.5 (11.8–13.3%)***
 Primary modelb 12.4 (12.3–12.5%)*** 11.4 (11.3–11.6%) 11.2 (10.9–11.4%) 11.1 (10.4–11.8%)
 Secondary modelc 12.3 (12.2–12.5%)*** 11.5 (11.4–11.7%) 11.4 (11.1–11.6%) 11.1 (10.4–11.8%)
N= 267,746 N= 105,023 N = 37,981 N = 5300
30-day ED visits after index hospitalization for a medical condition
 Unadjusted 13.2 (13.1–13.4%)*** 11.1 (10.9–11.3%) 10.9 (10.6–11.2%) 13.8 (12.8–14.7%)***
 Adjusted for demographicsa 13.2 (13.0–13.3%)*** 11.2 (11.0–11.4%) 11.0 (10.7–11.3%) 13.3 (12.4–14.2%)***
 Primary modelb 12.9 (12.7–13.0%)*** 11.8 (11.6–12.0%) 11.7 (11.3–12.0%) 11.9 (11.1–12.8%)
 Secondary modelc 12.8 (12.7–12.9%)*** 11.9 (11.7–12.1%) 11.8 (11.5–12.2%) 11.9 (11.0–12.7%)
N= 89,340 N = 51,905 N = 20,168 N= 1867
30-day ED visits after index hospitalization for a surgical condition
 Unadjusted 11.7 (11.5–12.0%)*** 9.9 (9.7–10.2%) 9.4 (9.0–9.8%)* 9.7 (8.4–11.1%)
 Adjusted for demographicsa 11.6(11.4–11.9%)*** 10.0 (9.8–10.3%) 9.5 (9.1–9.9%)* 9.8 (8.5–11.2%)
 Primary modelb 11.3 (11.1–11.5%)*** 10.5 (10.2–10.7%) 10.1 (9.6–10.5%) 9.0 (7.7–10.3%)*
 Secondary modelc 11.2 (11.0–11.4%)*** 10.5 (10.3–10.8%) 10.2 (9.7–10.6%) 9.0 (7.7–10.2%)*
a

Adjusted for age, gender, race, year of discharge.

b

Adjusted for age, gender, race, year of discharge, past-year tobacco diagnosis, past-year PTSD diagnosis, comorbid condition indicators, days from AUDIT-C screen to index stay, index length of stay, number of past-year ED visits, any past-year discharge AMA.

c

Adjusted for age, gender, race, year of discharge, past-year tobacco diagnosis, past-year PTSD diagnosis, comorbid condition indicators, days from AUDIT-C screen to index stay, index length of stay, number of past-year ED visits, any past-year discharge AMA, VA copay exempt status, marital status.

***

p< 0.001.

**

p<0.01.

*

p<0.05 compared to low-risk drinkers (referent group).