Table 4.

Infection prevention and control measures by SARS-CoV-2 IgG status.

	Total n (column %)	SARS-CoV-2 IgG Status		p-value (all data)
		Positive n (row %)	Negative n (row %)
Total	1743	95 (5.5%)	1648 (94.5%)
Hand hygiene before and after patient contact?				0.38†
Always	1598 (91.7%)	85 (5.3%)	1513 (94.7%)
Most of the time	123 (7.1%)	9 (7.3%)	114 (92.7%)
Occasionally	0	0	0
Rarely	2 (0.1%)	0	2 (100%)
Hand hygiene after body fluid exposure?				0.25†
Always	1670 (95.8%)	89 (5.3%)	1581 (94.7%)
Most of the time	24 (1.4%)	3 (12.5%)	21 (87.5%)
Occasionally	0	0	0
Rarely	7 (0.4%)	0	7 (100%)
Hand hygiene after contact with patient surroundings?				0.50†
Always	1466 (84.1%)	85 (5.8%)	1381 (94.2%)
Most of the time	233 (13.4%)	8 (3.4%)	225 (96.6%)
Occasionally	5 (0.3%)	0	5 (100%)
Rarely	4 (0.2%)	0	4 (100%)
PPE when interacting with patients or their specimens?				0.95†
Always	1549 (88.9%)	85 (5.5%)	1464 (94.5%)
Most of the time	141 (8.1%)	8 (5.7%)	133 (94.3%)
Occasionally	7 (0.4%)	0	7 (100%)
Rarely	12 (0.7%)	0	12 (100%)
Physical distancing in work areas?				0.05
Always	334 (19.2%)	13 (3.9%)	321 (96.1%)
Most of the time	721 (41.4%)	33 (4.6%)	688 (95.4%)
Occasionally	320 (18.4%)	21 (6.6%)	299 (93.4%)
Rarely	351 (20.1%)	28 (8.0%)	323 (92.0%)
Physical distancing in break room?				0.003*
Always	447 (25.6%)	14 (3.1%)	433 (96.9%)
Most of the time	689 (39.5%)	37 (5.4%)	652 (94.6%)
Occasionally	316 (18.1%)	15 (4.7%)	301 (95.3%)
Rarely	222 (12.7%)	22 (9.9%)	200 (90.1%)

^†Fisher’s Exact Test, otherwise, Chi Squared.

*Statistically significant when p-value < 0.05.

Column percentages may not always add up to 100% due to missing data. Missing data ranged from 0.17–2.93%.