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

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

	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 anxiolytics^ǂ	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-hypnotics^ǂ	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]

ǂ reference = drivers not exposed; OR: Odds Ratio; CI: confidence interval.
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.

ISSN: 2197-1714