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Table 2 Risky alcohol and drug consumption by participants in the program

From: A workplace intervention to reduce alcohol and drug consumption: a nonrandomized single-group study

Risky consumption Baseline (n = 1103) Year 1 (n = 990) *P-value baseline vs. year 1 Year 2 (n = 700) *P-value year 1 vs. year 2 Year 3 (n = 625) *P-value year 2 vs. year 3 *P-value baseline vs. year 2 *P-value baseline vs. year 3
Alcohol % (n) 14.7 (162) 10.6 (105) < 0.001 9.3 (65) 0.002 10.7 (63) 0.581 < 0.001 < 0.001
Drugs % (n) 6.8 (75) 6.6 (65) 0.332 6.7 (47) 0.039 6.9 (43) 0.754 0.143 0.108
Total % (n) 19 (210) 15.3 (151) < 0.001 14.4 (101) 0.001 14.9 (93) 0.424 < 0.001 < 0.001
  1. *p-value was calculated with McNemar’s test
  2. Bold text indicates significant p values
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