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

Table 5. Associations between cannabis policies and ED visits in all of 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-legalization trend 1.017*** (1.014 to 1.019) 1.017*** (1.013 to 1.020) 1.024*** (1.019 to 1.029) 1.031*** (1.017 to 1.046) 1.016*** (1.012 to 1.020) 1.020*** (1.017 to 1.024) 1.021*** (1.015 to 1.028) 1.036*** (1.026 to 1.046)
Legalization level change 1.025 (0.934 to 1.125) 1.059 (0.945 to 1.187) 1.199* (1.015 to 1.417) 1.432 (0.885 to 2.315) 1.128 (0.990 to 1.285) 1.140* (1.011 to 1.286) 1.339* (1.059 to 1.692) 1.241 (0.889 to 1.733)
Legalization trend 0.991* (0.983 to 0.998) 0.997 (0.987 to 1.007) 0.997 (0.983 to 1.011) 0.974 (0.934 to 0.985) 0.994 (0.983 to 1.004) 0.998 (0.988 to 1.008) 0.991 (0.971 to 1.010) 0.979 (0.951 to 1.008)
Edibles/COVID level change 1.303*** (1.148 to 1.480) 1.222* (1.046 to 1.427) 1.142 (0.908 to 1.437) 1.304 (0.671 to 2.535) 1.515*** (1.268 to 1.811) 1.447*** (1.227 to 1.707) 1.135 (0.820 to 1.571) 1.327 (0.832 to 2.115)
Edibles/COVID trend 0.987* (0.975 to 0.999) 0.998 (0.984 to 1.013) 1.000 (0.978 to 1.023) 0.977 (0.910 to 1.043) 0.984 (0.967 to 1.001) 0.985 (0.969 to 1.001) 1.003 (0.971 to 1.034) 0.985 (0.938 to 1.032)
Difference pre-legalization vs. legalization trend 0.973*** (0.965 to 0.981) 0.981*** (0.971 to 0.990) 0.973*** (0.959 to 0.988) 0.945** (0.906 to 0.986) 0.977*** (0.966 to 0.988) 0.978*** (0.967 to 0.988) 0.970** (0.950 to 0.990) 0.945*** (0.917 to 0.974)
Difference legalization vs. edibles/COVID trend 0.996 (0.982 to 1.011) 1.001 (0.984 to 1.019) 1.003 (0.977 to 1.030) 1.002 (0.927 to 1.190) 0.990 (0.970 to 1.010) 0.987 (0.969 to 1.006) 1.012 (0.974 to 1.051) 1.006 (0.952 to 1.063)