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Table 4 Prevalence of inconsistency between screening results based on AUDIT-C scores and reported drinking on the same AUDIT-C in men and women

From: Inconsistencies between alcohol screening results based on AUDIT-C scores and reported drinking on the AUDIT-C questions: prevalence in two US national samples

  US general population sample VA outpatient sample
     (N = 26,610) (N = 467,416)
Men
Positive screen based on AUDIT-C score
AUDIT-C score % reporting < recommended limits
Total Q#1 Q#2 Q#3 % (95% CI) % (95% CI)
4 3 1 0 2.3 (2.1–2.6) 1.0 (1.0-1.0)
4 4 0 0 5.4 (5.1–5.8) 12.9 (12.7–13.0)
5 4 1 0 1.1 (0.9–1.3) 1.9 (1.8–1.9)
All inconsistent positive screens 8.9* (8.4–9.4) 15.8 (15.6–15.8)
Negative screen based on AUDIT-C score
AUDIT-C score % reporting > recommended limits
Total Q#1 Q#2 Q#3 % (95% CI) % (95% CI)
2 1 0 1 1.1 (0.9–1.2) 2.0 (2.0–2.0)
3 1 1 1 2.0 (1.7–2.2) 0.6 (0.6–0.6)
3 1 0 2 0 -- 0.3 (0.3–0.3)
3 1 2 0 0 -- 0.1 (0.01-0.1)
3 2 0 1 1.9 (1.7–2.2) 2.3 (2.2–2.3)
All inconsistent negative screens 4.9 (4.6–5.3) 5.3 (5.2–5.3)
All inconsistent negative & positive screens 13.8 (13.2–14.4) 21.1 (20.9–21.1)
Women
Positive screen based on AUDIT-C score
AUDIT-C score % reporting < recommended limits **
Total Q#1 Q#2 Q#3 % (95% CI) % (95% CI)
3 2 1 0 2.6 (2.4–2.9) 1.5 (1.3–1.7)
3 3 0 0 8.2 (7.7–8.6) 8.1 (7.7–8.5)
4 3 1 0 1.6 (1.4–1.8) 0.6 (0.5–0.8)
4 4 0 0 5.0 (4.6–5.4) 7.2 (6.8–7.6)
All inconsistent positive screens 17.5* (16.8–18.1) 17.4 (16.9–18.0)
Negative screen based on AUDIT-C score
AUDIT-C score % reporting > recommended limits
Total Q#1 Q#2 Q#3 % (95% CI) % (95% CI)
2 1 0 1 0.8 (0.7–1.0) 3.3 (3.0–3.6)
All inconsistent negative screens 0.8 (0.7–1.0) 3.3 (3.0–3.6)
All inconsistent negative & positive screens 18.3* (17.7–18.9) 20.7 (20.1–21.3)
  1. *Numbers do not add up to totals due to rounding.
  2. **All negative screens with report of risky drinking were due to heavy episodic drinking (≥5 drinks in a day).
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