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. Author manuscript; available in PMC: 2023 Jan 25.
Published in final edited form as: Addiction. 2022 Oct 12;118(2):317–326. doi: 10.1111/add.16056

Table 5.

Relationship of cannabis use status to SARS-CoV-2 testing.a

Adjusted Hazard Ratio (95% Confidence Intervals)
Time-changing cannabis use status Model 1b Model 2c

Current 0.83 ( 0.79,0.88)* 0.80 ( 0.76,0.85)*
Recently quit 1.11 ( 1.08,1.15)* 1.10 ( 1.06,1.13)*
Non-user 1.00 (reference) 1.00 (reference)
a

Outcome was receipt of SARS-CoV-2 PCR tests during pregnancy. Testing was treated as a recurring event outcome. All SARS-CoV-2 PCR tests prior to a patient’s first positive test were included. PCR: polymerase chain reaction.

b

Model 1 is adjusted for age (21 categories: <19, 19–21, one for each year of age up to 39, 40+), race/ethnicity, neighborhood deprivation index, insurance payor, and primary KPNC facility.

c

Model 2 is adjusted for all covariables in Mode1 one plus body mass index, pre-existing diabetes and hypertension, parity, and tobacco smoking status.

*

Significant at p<=0.05