Table 1.
DRUID-2008an=3302 |
DRUID-2013bn=2932 |
EDAP-2015 n=2744 |
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---|---|---|---|---|---|---|
n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | |
Tested negative (−) for alcohol or drugs | 2763 | 83.7 (82.4–84.9) | 2578 | 87.9 (86.7–89.1) | 2406 | 87.7 (86.5–88.9) |
Tested positive (+) for alcohol or drugs | 539 | 16.3 (15.1–17.6) | 354 | 12.1 (10.9–13.3) | 339 | 12.3 (11.1–13.6) |
+ alcohol/− drugs | 151 | 4.6 (3.9–5.3) | 97 | 3.30 (2.7–3.9) | 33 | 1.2 (0.8–1.6) |
− alcohol/+ drugs | 321 | 9.7 (8.7–10.7) | 233 | 8.0 (7.0–8.9) | 293 | 10.7 (9.5–11.8) |
+ alcohol/+ drugs | 67 | 2.0 (1.5–2.5) | 24 | 0.8 (0.5–1.1) | 13 | 0.5 (0.2–0.7) |