Table 3.

Adjusted Associations Between Carceral Exposures of Interest and Anti–Severe Acute Respiratory Syndrome Coronavirus 2 Seropositivity Among Adult Men in 3 Provincial Prisons in Quebec, Canada (2021)

Model	Carceral Exposure	Adjusted Prevalence Ratio	95% Confidence Interval
1a	Time spent incarcerated since March 2020
	Little (<10%)	Reference	Reference
	Some (10%–49%)	1.32	0.95–1.85
	Most (50%–99%)	1.47	1.01–2.12
	All (100%)	2.17	1.53–3.07
2b	Room type
	Single cell	Reference	Reference
	Shared cell	1.03	0.77–1.36
3c	Employment during incarceration
	No	Reference	Reference
	Yes	1.64	1.28–2.11
4d	Meal consumption
	Alone	Reference	Reference
	Cellmates	1.46	1.08–1.97
	Sector	1.34	1.03–1.74
5e	Timing of incarceration at screening
	Pre-prison outbreak	Reference	Reference
	Post-prison outbreak	2.32	1.69–3.18

Adjusted for age, race/ethnicity, education, housing status, provincial prison, and employment status during incarceration.

Adjusted for medical comorbidities, provincial prison, employment status during incarceration, and prison outbreak.

Adjusted for age, education, medical comorbidities, and provincial prison.

Adjusted for coronavirus disease 2019 symptoms, provincial prison, room type, employment status during incarceration, and prison outbreak.

Adjusted for age, medical comorbidities, provincial prison, room type, meal consumption, and employment status during incarceration.