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. 2021 Sep 15;4(9):e2124116. doi: 10.1001/jamanetworkopen.2021.24116

Table 4. Employer-Provided Preventive Measures and Their Association With TMA and IgG Positivity Among Farmworkers, Monterey County, 2020.

Attribute Individuals, No. (%)a
All enrolled (N = 1107) SARS-CoV-2 infection
TMA positive (n = 911) IgG positive (n = 1058)
Yes (n = 118) No (n = 793) Yes (n = 201) No (n = 857)
Fever and symptoms screening upon arrival at workplace
Neither 495 (44.7) 54 (16.6)b 272 (83.4) 92 (19.2) 388 (80.8)
Either or both 611 (55.2) 64 (10.9) 521 (89.1) 109 (18.9) 468 (81.1)
No answer 1 (0.1) 0 0 0 1 (100.0)
Employer provided face coverings
No 168 (15.2) 15 (12.1) 109 (87.9) 26 (16.0) 136 (84.0)
Yes 932 (84.2) 102 (13.0) 681 (87.0) 174 (19.6) 715 (80.4)
No answer 7 (0.6) 1 (25.0) 3 (75.0) 1 (14.3) 6 (85.7)
Employer provided gloves
No 161 (14.5) 12 (9.0)c 121 (91.0) 26 (17.1) 126 (82.9)
Yes 945 (85.4) 106 (13.6) 671 (86.4) 175 (19.3) 730 (80.7)
No answer 1 (0.1) 0 1 (100.0) 0 1 (100.0)
Employer provided eye shields
No 542 (49.0) 52 (11.7) 392 (88.3) 94 (18.1) 424 (81.9)
Yes 564 (50.9) 66 (14.2) 400 (85.8) 107 (19.9) 432 (80.1)
No answer 1 (0.1) 0 1 (100.0) 0 1 (100.0)
Employer provided hand washing stations
No 6 (0.5) 1 (20.0) 4 (80.0) 2 (33.3) 4 (66.7)
Yes 1100 (99.4) 117 (12.9) 788 (87.1) 199 (18.9) 852 (81.1)
No answer 1 (0.1) 0 1 (100.0) 0 1 (100.0)
Employer provided liquid soap and paper towels
No 15 (1.4) 2 (16.7) 10 (83.3) 4 (26.7) 11 (73.3)
Yes 1090 (98.5) 116 (12.9) 781 (87.1) 196 (18.8) 845 (81.2)
No answer 2 (0.2) 0 2 (100.0) 1 (50.0) 1 (50.0)
Employer provided hand sanitizer
No 95 (8.6) 8 (11.4) 62 (88.6) 20 (22.5) 69 (77.5)
Yes 1011 (91.3) 110 (13.1) 730 (86.9) 181 (18.7) 787 (81.3)
No answer 1 (0.1) 0 1 (100.0) 0 1 (100.0)
Workplace surfaces and tools regularly disinfected and kept clean
No 122 (11.0) 12 (12.8) 82 (87.2) 17 (14.8) 98 (85.2)
Yes 946 (85.5) 98 (12.5) 687 (87.5) 175 (19.3) 730 (80.7)
No answer 39 (3.5) 8 (25.0) 24 (75.0) 9 (23.7) 29 (76.3)
Employer staggered breaks to reduce exposure
No 608 (54.9) 66 (13.4) 428 (86.6) 112 (19.2) 471 (80.8)
Yes 492 (44.4) 51 (12.3) 362 (87.7) 89 (19.0) 380 (81.0)
No answer 7 (0.6) 1 (25.0) 3 (75.0) 0 6 (100.0)
Employer provided information on COVID-19 symptoms
No 64 (5.8) 6 (15.0) 34 (85.0) 17 (27.4)d 45 (72.6)
Yes 1040 (93.9) 112 (12.9) 758 (87.1) 184 (18.5) 809 (81.5)
No answer 3 (0.3) 0 1 (100.0) 0 3 (100.0)
Employer provided information on how workers can protect themselves at work
No 37 (3.3) 1 (4.8) 20 (95.2) 12 (34.3)b 23 (65.7)
Yes 1067 (96.4) 117 (13.2) 772 (86.8) 189 (18.5) 831 (81.5)
No answer 3 (0.3) 0 1 (100.0) 0 3 (100.0)
Employer provided information on how workers can protect themselves at home and in the community
No 70 (6.3) 3 (6.4)c 44 (93.6) 17 (25.4)c 50 (74.6)
Yes 1034 (93.4) 115 (13.3) 748 (86.7) 184 (18.6) 804 (81.4)
No answer 3 (0.3) 0 1 (100.0) 0 3 (100.0)
Employer provided information on whom to call if workers were sick
No 134 (12.1) 18 (18.2)c 81 (81.8) 27 (20.9) 102 (79.1)
Yes 970 (87.6) 100 (12.3) 711 (87.7) 174 (18.8) 752 (81.2)
No answer 3 (0.3) 0 1 (100.0) 0 3 (100.0)
Employer provided information on workers’ ability to get free testing and treatment if they were sick
No 303 (27.4) 31 (13.1) 206 (86.9) 62 (21.5) 227 (78.5)
Yes 800 (72.3) 87 (12.9) 585 (87.1) 138 (18.0) 627 (82.0)
No answer 4 (0.4) 0 2 (100.0) 1 (25.0) 3 (75.0)
Employer provided information on where workers could get housing if they needed to quarantine or isolate away from home
No 607 (54.8) 70 (14.1) 428 (85.9) 112 (19.3) 467 (80.7)
Yes 496 (44.8) 48 (11.7) 363 (88.3) 88 (18.5) 387 (81.5)
No answer 4 (0.4) 0 2 (100.0) 1 (25.0) 3 (75.0)
Employer provided information on the importance of staying away from work if workers were sick
No 78 (7.0) 5 (9.1) 50 (90.9) 15 (19.5) 62 (80.5)
Yes 1024 (92.5) 113 (13.2) 741 (86.8) 185 (19.0) 791 (81.0)
No answer 5 (0.5) 0 2 (100.0) 1 (20.0) 4 (80.0)
Employer provided information on workers’ benefit to get paid to stay away from work if they were sick
No 334 (30.2) 36 (13.7) 227 (86.3) 58 (18.4) 258 (81.6)
Yes 769 (69.5) 82 (12.7) 564 (87.3) 142 (19.2) 596 (80.8)
No answer 4 (0.4) 0 2 (100.0) 1 (25.0) 3 (75.0)
Received education about COVID-19 from medical staff at workplace
No 714 (64.5) 76 (13.0) 508 (87.0) 126 (18.5) 556 (81.5)
Yes 373 (33.7) 41 (13.1) 271 (86.9) 73 (20.5) 283 (79.5)
No answer 20 (1.8) 1 (6.7) 14 (93.3) 2 (10.0) 18 (90.0)

Abbreviations: IgG, immunoglobulin G; TMA, transcription-mediated amplification.

a

Missing entries were excluded from bivariate analyses.

b

P < .05.

c

P < .20.

d

P < .10.