Skip to main content
. 2022 Oct 26;17(10):e0268718. doi: 10.1371/journal.pone.0268718

Table 3. Associations between cannabis policies and ED visits in Southern Ontario using negative binomial regression with censored months in the early stages of COVID-19 pandemic.

Men Women
18–24 25–44 45–64 65+ 18–24 25–44 45–64 65+
Pre-intervention trend 1.018*** (1.015 to 1.021) 1.017*** (1.014 to 1.020) 1.024*** (1.019 to 1.029) 1.028*** (1.014 to 1.043) 1.016*** (1.013 to 1.020) 1.020*** (1.016 to 1.024) 1.022*** (1.016 to 1.029) 1.035*** (1.024 to 1.045)
Legalization level change 1.025 (0.930 to 1.130) 1.061 (0.946 to 1.191) 1.207* (1.015 to 1.436) 1.401 (0.844 to 2.328) 1.135 (0.995 to 1.295) 1.134* (1.000 to 1.286) 1.289* (1.020 to 1.628) 1.200 (0.837 to 1.720)
Legalization trend 0.987** (0.979 to 0.996) 0.994 (0.985 to 1.004) 0.996 (0.981 to 1.010) 0.975 (0.932 to 1.018) 0.992 (0.981 to 1.003) 0.997 (0.987 to 1.008) 0.991 (0.971 to 1.011) 0.982 (0.952 to 1.013)
Edibles/COVID level change 1.363*** (1.193 to 1.557) 1.258** (1.074 to 1.472) 1.112(0.876 to 1.412) 1.351 (0.668 to 2.732) 1.499*** (1.252 to 1.794) 1.421*** (1.196 to 1.688) 1.179 (0.853 to 1.630) 1.416 (0.858 to 2.336)
Edibles/COVID trend 0.986* (0.973 to 0.999) 0.996 (0.981 to 1.011) 1.001 (0.978 to 0.987) 0.969 (0.899 to 1.039) 0.984 (0.967 to 1.002) 0.982* (0.966 to 0.999) 0.997 (0.966 to 1.029) 0.978 (0.928 to 1.028)
Difference pre-intervention vs. legalization trend 0.970*** (0.962 to 0.978) 0.978*** (0.968 to 0.988) 0.972*** (0.957 to 0.987) 0.948* (0.906 to 0.992) 0.976*** (0.965 to 0.988) 0.978*** (0.967 to 0.989) 0.969** (0.950 to 0.990) 0.950** (0.920 to 0.981)
Difference legalization vs. edibles/COVID trend 0.998 (0.983 to 1.014) 1.002 (0.984 to 1.020) 1.005 (0.978 to 1.033) 0.995 (0.915 to 1.081) 0.992 (0.972 to 1.013) 0.985 (0.966 to 1.005) 1.007 (0.969 to 1.045) 0.996 (0.939 to 1.057)