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Table 3 Association between exposure to benzodiazepine anxiolytics and z-hypnotics and drivers responsibility in each study period

From: Trends in benzodiazepine anxiolytics and z-hypnotics use among French drivers involved in road traffic crashes from 2005 to 2015: a responsibility case-control study

  Period 1 OR [95% CI] Period 2 OR [95% CI] Period 3 OR [95% CI] Period 4 OR [95% CI] Period 5 OR [95% CI] Period 6 OR [95% CI]
benzodiazepine anxiolyticsǂ 1.42 [1.24–1.62] 1.11 [0.96–1.29] 1.23 [1.06–141] 1.38 [1.21–1.57] 1.18 [1.03–1.37] 1.27 [1.09–1.47]
z-hypnoticsǂ 1.01 [0.84–1.21] 1.23 [1.00–1.51] 1.38 [1.13–1.69] 1.37 [1.13–1.65] 1.04 [0.85–1.27] 1.38 [1.11–1.71]
  1. ǂ reference = drivers not exposed; OR: Odds Ratio; CI: confidence interval.
  2. Complete cases: Period 1: N = 34,580; Period 2: N = 28,186; Period 3: N = 28,589; Period 4: N = 31,891; Period 5: N = 27,473; Period 6: N = 24,988.