Table 5.

Effect of Help Question on Likelihood Ratio of Being CHAT Positive for Common Conditions

Positive Condition	Help Today LR (95% CI)	Help But Not Today LR (95% CI)	Not Requesting Help LR (95% CI)	Help Requested (Either Today or Later) LR (95% CI)
Nicotine dependency	11.5 (3.6–36.4)	10.4 (6.0–17.4)	0.6 (0.5–0.7)	10.6 (6.7–16.8)
Problematic drinking	70.2 (3.8–1,292.6)	6.6 (2.0–21.0)	0.9 (0.8–1.0)	11.8 (4.3–32.4)
Major depression	21.6 (10.4–45.0)	5.2 (2.3–11.7)	0.5 (0.3–0.7)	10.3 (6.6–15.9)
Anxiety	18.2 (8.0–41.0)	5.8 (3.0–11.4)	0.6 (0.5–0.8)	9.4 (5.9–14.9)

CHAT=Case-finding and Help Assessment Tool; CI = confidence interval; LR = likelihood ratio.