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. 2021 Dec 29;50(6):608–617. doi: 10.1016/j.ajic.2021.12.020

Table 1.

Participant socio-demographics and household characteristics, overall and by school level

Characteristic Overall N = 700 Elementary N = 288 Middle N = 181 High N = 230
Individual characteristics*
Median (IQR) age 41 (33, 50) 40 (32, 49) 41 (32, 50) 44 (34, 52)
Median (IQR) years of teaching 12 (6, 20) 12 (6, 20) 12 (6, 20) 12 (7, 20)
Gender identity
 Male 138 (19.7%) 15 (5.2%), 36 (19.9%)§ 87 (37.8%)
 Female 559 (79.9%) 273 (94.8%) 145 (80.1%) 140 (60.9%)
 Prefer not to answer 3 (0.4%) 0 (0.0%) 0 (0.0%) 3 (1.3%)
Race
 White 633 (90.4%) 268 (93.1%) 169 (93.4%)§ 195 (84.8%)
 Black 33 (4.7%) 10 (3.5%) 6 (3.3%) 17 (7.4%)
 American Indian / Alaskan Native 5 (0.7%) 1 (0.4%) 1 (0.6%) 3 (1.3%)
 Asian 4 (0.6%) 3 (1.0%) 0 (0.0%) 1 (0.4%)
 Other or multiple 25 (3.6%) 6 (2.1%) 5 (2.8%) 14 (6.1%)
Hispanic or Latino/Latina/Latinx
 Yes 19 (2.7%) 8 (2.8%) 4 (2.2%) 7 (3.1%)
 No 676 (96.7%) 280 (97.2%) 176 (97.2%) 219 (95.6%)
 Prefer not to answer 5 (0.6%) 0 (0.0%) 1 (0.6%) 3 (1.3%)
Highest degree
 Bachelor's 396 (56.6%) 164 (56.9%) 100 (55.3%) 131 (57.0%)
 Master's 290 (41.4%) 124 (43.1%) 80 (44.2%) 86 (37.4%)
 Doctorate 8 (1.1%) 0 (0.0%) 1 (0.5%) 7 (3.0%)
 Prefer not to answer 6 (0.9%) 0 (0.0%) 0 (0.0%) 6 (2.6%)
Employment outside of teaching
 Yes 124 (17.7%) 32 (11.1%), 33 (18.2%) 58 (25.3%)
 No 565 (80.8%) 254 (88.2%) 145 (80.1%) 166 (72.5%)
 Prefer not to answer 11 (1.5%) 2 (0.7%) 3 (1.7%) 5 (2.2%)
High-risk condition
 Yes 326 (46.6%) 126 (43.8%) 89 (49.2%) 110 (47.8%)
 No 361 (51.6%) 156 (54.2%) 88 (48.6%) 117 (50.9%)
 Prefer not to answer 13 (1.9%) 6 (2.1%) 4 (2.2%) 3 (1.3%)
Household characteristics*
Median (IQR) bedrooms in primary residence 3 (3, 4) 3 (3,4) 3 (3, 4) 3 (3, 4)
Number of other household members
 0 45 (6.4%) 17 (5.9%) 15 (8.3%) 13 (5.7%)
 1 191 (27.3%) 65 (22.6%) 54 (29.8%) 72 (31.3%)
 2 147 (21.0%) 64 (22.2%) 34 (18.8%) 49 (21.3%)
 3 194 (27.7%) 87 (30.2%) 49 (27.1%) 57 (24.8%)
 4 83 (11.9%) 40 (13.9%) 15 (8.3%) 28 (12.2%)
 ≥5 29 (4.1%) 11 (3.8%) 10 (5.5%) 8 (3.5%)
 Prefer not to answer 11 (1.6%) 4 (1.4%) 4 (2.2%) 3 (1.3%)
Primary residence type
 Single-family home 587 (83.9%) 243 (84.4%) 143 (79.0%) 200 (87.0%)
 Apartment or condominium 57 (8.1%) 26 (9.0%) 16 (8.8%) 15 (6.5%)
 Mobile or manufactured home 38 (5.4%) 14 (4.9%) 16 (8.8%) 8 (3.5%)
 Two-family house/duplex 10 (1.4%) 2 (0.7%) 4 (2.2%) 4 (1.7%)
 Other 5 (0.7%) 3 (1.0%) 1 (0.6%) 1 (0.4%)
 Prefer not to answer 3 (0.4%) 0 (0.0%) 1 (0.6%) 2 (0.9%)
Regular contact with persons living or working in:
 Nursing home/long-term care facility 22 (3.1%) 13 (4.5%) 3 (1.7%) 6 (2.6%)
 Correctional facility 10 (1.4%) 1 (0.4%) 2 (1.1%) 7 (3.0%)
 Meat-packing plant 3 (0.4%) 2 (0.7%) 0 (0.0%) 1 (0.4%)
 Prefer not to answer 6 (0.9%) 3 (1.0%) 1 (0.6%) 2 (0.9%)
Household member with high-risk condition
 Yes 296 (42.3%) 122 (42.4%) 71 (39.2%) 102 (44.4%)
 No (includes teachers living alone) 378 (54.0%) 155 (53.8%) 100 (55.3%) 123 (53.5%)
 Prefer not to answer 26 (3.7%) 11 (3.8%) 10 (5.5%) 5 (2.2%)

Medians compared by Wilcoxon rank sum test; comparison of dichotomous variables by Cochran-Mantel-Haenszel test. No adjustments were made for multiple comparisons.

IQR, interquartile range.

Presented as n (%) except where otherwise indicated.

P < .05 for elementary vs middle.

P < .05 for elementary vs high.

§

P < .05 for middle vs high.

P < .05 for elementary vs middle and for elementary vs high for having ≥2 vs 0 or 1 other household members.

Specified in survey as any of the following: cancer; chronic kidney disease; chronic obstructive pulmonary disease; heart conditions, such as heart failure, coronary artery disease, or cardiomyopathies; immunocompromised state from solid organ transplant, blood or bone marrow transplant, immune deficiencies, HIV, or use of corticosteriods or other immune weakening medicines; obesity (body mass index [BMI] ≥30 kg/m2); sickle cell disease; smoking; diabetes mellitus; moderate to severe asthma; cerebrovascular disease; cystic fibrosis; hypertension; neurological conditions, such as dementia; liver disease; overweight (25<BMI<30 kg/m2); pulmonary fibrosis; pregnancy; or thalassemia.