Table 2.
Univariate analysis for a COVID-19 outbreak in a meat plant. France, 2020 (N = 1179)
| All (%) |
Occupational cases (n = 140) (%) |
Non-cases (n = 1039) (%) |
RR [95%CI] |
p | ||
|---|---|---|---|---|---|---|
| Sex (n = 1178) | Men | 727 (61.7) | 96 (68.6) | 631 (60.8) | 1.35 [0.95 – 1.93] | 0.096 |
| Female | 451 (38.3) | 44 (31.4) | 407 (39.2) | Ref | ||
| Age (n = 1179) | 18–29 years | 292 (24.8) | 27 (19.3) | 265 (25.5) | 1.071 [0.93 – 1.24] | 0.34 |
| 30–39 years | 289 (24.5) | 37 (26.4) | 252 (24.3) | |||
| 40–49 years | 326 (27.7) | 40 (28.6) | 286 (27.5) | |||
| 50–59 years | 252 (21.4) | 33 (23.6) | 219 (21.1) | |||
| ≥ 60 years | 20 (1.7) | 3 (2.1) | 17 (1.6) | |||
| Place of birth (n = 1171) | Foreign-born | 335 (28.6) | 73 (52.1) | 262 (25.4) | 2.72 [1.95 – 3.79] | < 10–3 |
| Born in France | 836 (71.4) | 67 (47.9) | 769 (74.6) | Ref | ||
| Place of birth (n = 1171) | Eastern European | 187 (16.0) | 63 (45.0) | 124 (12.0) | 4.31 [3.09 – 6.01] | < 10–3 |
| Other | 984 (84.0) | 77 (55.0) | 907 (88.0) | Ref | ||
| Native language (n = 1171) | Other | 232 (19.8) | 66 (47.1) | 166 (16.1) | 3.61 [2.59 – 5.03] | < 10–3 |
| French | 939 (80.2) | 74 (52.9) | 865 (83.9) | Ref | ||
| Employer (n = 1171) | Subcontractor | 256 (21.9) | 71 (50.7) | 185 (17.9) | 5.09 [3.25 – 7.97] | < 10–3 |
| Temporary workers | 438 (37.4) | 43 (30.7) | 395 (38.3) | 1.80 [1.11 – 2.93] | 0.018 | |
| Veterinary administration | 32 (2.7) | 0 (0.0) | 32 (3.1) | Ref2 | ||
| Regular workers | 445 (38.0) | 26 (18.6) | 419 (40.6) | |||
| Activity (n = 1172) | Deboning and cutting | 637 (54.3) | 114 (81.4) | 523 (50.7) | 3.68 [2.41 – 5.64] | < 10–3 |
| A-workshop | 268 (22.9) | 83 (59.3) | 185 (18.0) | |||
| Primary cutting workshop | 162 (13.8) | 15 (10.7) | 147 (14.2) | |||
| Other workshop | 207 (17.6) | 16 (11.4) | 191 (18.5) | |||
| Primary processing | 186 (15.9) | 10 (7.1) | 176 (17.0) | Ref3 | ||
| 3rd processing | 247 (21.1) | 12 (8.6) | 235 (22.8) | |||
| Transverse | 102 (8.7) | 4 (2.9) | 98 (9.5) | |||
| Work hours (n = 943) | Afternoon | 351 (37.2) | 71 (56.8) | 280 (34.2) | 3.72 [1.92 – 7.22] | < 10–3 |
| Morning | 408 (43.3) | 44 (35.2) | 364 (44.5) | 1.98 [1.00 – 3.94] | 0.05 | |
| Night | 33 (3.5) | 2 (1.6) | 31 (3.8) | Ref4 | ||
| Flexitime | 137 (14.5) | 8 (6.4) | 129 (15.8) | |||
| In the day | 14 (1.5) | 0 (0.0) | 14 (1.7) |
1RR provided for a 10-year increase in age
2Reference group consisted of regular workers of the meat processing company and workers of the veterinary administration
3Reference group consisted of workers outside the deboning and cutting department
4Reference group consisted of workers who work days, nights or flexitime