Table 1

Characteristics of school and daycare staff participants, March–October 2021

Seroprevalence sample
n (%)
Mental health sample
n (%)
Dates of assessmentsApril–October, 2021March–July, 2021
Total362389
School levelDaycare109 (30.1)113 (29.0)
Elementary school130 (35.9)142 (36.5)
High school123 (34.0)134 (34.4)
Age group<40 years130 (35.9)142 (36.5)
40–50 years105 (29.0)116 (29.8)
50+ years126 (34.5)128 (32.9)
Missing2 (0.55)3 (0.77)
Sex at birthMale40 (11.0)41 (10.5)
Female322 (89.0)348 (89.5)
Ethnic or racial minorityWhite346 (95.6)371 (95.4)
Other14 (3.9)16 (4.1)
Missing2 (0.55)2 (0.51)
Number classes taught1–2126 (34.8)128 (32.9)
3–4120 (33.1)127 (32.6)
Not applicable116 (32.0)134 (34.4)
Bedroom density*<1 persons per bedroom110 (30.4)117 (30.1)
≥1 persons per bedroom252 (69.6)272 (69.9)
Household income<100 000$ CAD158 (43.6)168 (43.2)
≥100 000$ CAD161 (44.5)173 (44.5)
Missing43 (11.9)48 (12.3)
Education levelNo university112 (30.9)122 (31.4)
University degree248 (68.5)265 (68.1)
Missing2 (0.55)2 (0.51)
Vaccinated with at least one doseNo105 (29.0)167 (42.3)
Yes257 (71.0)222 (57.1)
School areaHOMA38 (10.5)43 (11.1)
Montreal North176 (48.6)194 (49.9)
Plateau Mont Royal53 (14.6)55 (14.1)
West Island95 (26.2)97 (24.9)
Contact with students that do not usually physically distanceNo91 (25.1)101 (26.0)
Yes271 (74.9)282 (72.5)
Not applicable0 (0.00)6 (1.54)
Contact with students that do not usually wear a maskNo238 (65.7)254 (65.3)
Yes124 (34.3)129 (33.2)
Not applicable0 (0.00)6 (1.54)
  • *Number of people in the household divided by number of bedrooms in the home.

  • $ CAD, Canadian dollars.