Volume 27, Number 4—April 2021
Synopsis
Characteristics of SARS-CoV-2 Transmission among Meat Processing Workers in Nebraska, USA, and Effectiveness of Risk Mitigation Measures
Table 2
Facility | Incidence /1,000 persons /d |
||
---|---|---|---|
<10 d after final intervention | 10 d after final intervention | p value for difference | |
Facilities that initiated a universal mask policy >10 d before physical barriers | |||
A | 7.27 | 0.33 | <0.001 |
B | 3.21 | 0.69 | <0.001 |
C | 3.46 | 0.27 | <0.001 |
D | 3.64 | 0.15 | 0.072 |
E |
0.48 |
2.09 |
0.008 |
Facilities that initiated a universal mask policy and physical barriers <10 d of each other | |||
F | 17.16 | 0.58 | <0.001 |
G | 2.49 | 1.27 | 0.002 |
H | 4.08 | 0.78 | <0.001 |
I | 6.82 | 1.40 | <0.001 |
J | 2.19 | 0.059 | <0.001 |
K |
0.65 |
1.90 |
0.180 |
Facilities that only initiated a universal mask policy | |||
L | 3.2 | 2.87 | 0.745 |
M |
3.29 |
3.178 |
0.944 |
*For facilities that initiated both a universal mask policy and physical barriers, date of last intervention was defined as start date of latter intervention (i.e., if physical barriers were initiated first, final intervention date was date of mask policy initiation). For facilities that initiated only masking, final intervention date was the initiation date. |
Page created: February 02, 2021
Page updated: March 18, 2021
Page reviewed: March 18, 2021
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