| n total | n (%) Campylobacter is known | n (%) Campylobacter is unknown | X2 test | p-value | Multivariable logistic regression (n = 986) | |||
---|---|---|---|---|---|---|---|---|---|
b(SE) | p-value | Adj. OR | 95% CI | ||||||
Gender | Â | Â | Â | 0.509 | 0.476 | Â | Â | Â | Â |
 Female | 500 | 164 (32.8) | 336 (67.2) |  |  |  |  |  |  |
 Male | 508 | 156 (30.7) | 352 (69.3) |  |  |  |  |  |  |
Age group | Â | Â | Â | 15.356 | 0.002 | Â | Â | Â | Â |
 16–19 years old | 176 | 35 (19.9) | 141 (80.1) |  |  |  | <  0.001 | baseline |  |
 20–39 years old | 219 | 68 (31.1) | 151 (68.9) |  |  | 0.704 (0.256) | 0.006 | 2.021 | 1.223–3.341 |
 40–59 years old | 451 | 158 (35.0) | 293 (65.0) |  |  | 0.98 (0.231) | <  0.001 | 2.664 | 1.693–4.191 |
  > 60 years old | 162 | 59 (36.4) | 103 (63.6) |  |  | 1.093 (0.267) | < 0.001 | 2.982 | 1.768–5.030 |
Federal state | Â | Â | Â | 0.383 | 0.536 | Â | Â | Â | Â |
 Eastern Germany | 215 | 72 (33.5) | 143 (66.5) |  |  |  |  |  |  |
 Western Germany | 793 | 248 (31.3) | 545 (68.7) |  |  |  |  |  |  |
Cold cut consumption/week | Â | Â | Â | 4.030 | 0.133 | Â | Â | Â | Â |
 No consumption (never) | 47 | 10 (21.3) | 37 (78.7) |  |  |  |  |  |  |
 Rare to frequent (<  1/week up to 3–4/week) | 582 | 179 30.8) | 403 69.2) |  |  |  |  |  |  |
 Very common (5–6/week or daily) | 379 | 131 (37.6) | 248 (65.4) |  |  |  |  |  |  |
Meat consumption/week | Â | Â | Â | 4.377 | 0.112 | Â | Â | Â | Â |
 No consumption (never) | 35 | 10 (28.6) | 25 (71.4) |  |  |  |  |  |  |
 Rare to frequent (<  1/week up to 3–4/week) | 784 | 238 (30.4) | 546 (69.6) |  |  |  |  |  |  |
 Very common (5-6x/week or daily) | 189 | 72 (38.1) | 117 (61.9) |  |  |  |  |  |  |
Level of education | Â | Â | Â | 6.219 | 0.013 | Â | Â | Â | Â |
 No certificate or lower secondary school certificate | 108 | 23 (21.3) | 85 (78.7) |  |  |  |  | baseline |  |
 At least secondary school certificate | 878 | 291 (33.1) | 587 (66.9) |  |  | 0.641 (0.521) | 0.01 | 1.899 | 1.162–3.104 |
Size of the main residence (number of inhabitants) | Â | Â | Â | 2.328 | 0.507 | Â | Â | Â | Â |
 Rural community (<  5000) | 158 | 47 (29.7) | 111 (70.3) |  |  |  |  |  |  |
 Small-size town (between 5000 and less than 20,000) | 220 | 63 (28.6) | 157 (71.4) |  |  |  |  |  |  |
 Mid-size town (between 20,000 and less than 100,000) | 264 | 89 (33.7) | 175 (66.3) |  |  |  |  |  |  |
 Metropolis (100,000 and more) | 332 | 112 (33.7) | 220 (66.3) |  |  |  |  |  |  |
Children in the household |  |  |  | < 0.001 | 0.984 |  |  |  |  |
 At least 1 children | 337 | 108 (32.0) | 229 (68.0) |  |  |  |  |  |  |
 No children | 654 | 210 (32.1) | 444 (67.9) |  |  |  |  |  |  |
Monthly household income after taxes | Â | Â | Â | 3.185 | 0.203 | Â | Â | Â | Â |
 Low income (<  1500€) | 252 | 73 (29.0) | 179 (71.0) |  |  |  |  |  |  |
 Middle income (1500 - < 3600€) | 418 | 141 (33.7) | 277 (66.3) |  |  |  |  |  |  |
 High income (>  3600€) | 176 | 65 (36.9) | 111 (63.1) |  |  |  |  |  |  |
Occupational groups | Â | Â | Â | 11.221 | 0.001 | Â | Â | Â | Â |
 Actor in the food chain | 117 | 53 (45.3) | 64 (54.7) |  |  |  |  | baseline |  |
 Not an actor in the food chain | 891 | 267 (30.0) | 624 (70.0) |  |  | −0.589 (0.217) | 0.007 | 0.555 | 0.362–0.849 |
Veterinarian | Â | Â | Â | 14.916 | < 0.001 | Â | Â | Â | Â |
 Yes | 12 | 10 (83.3) | 2 (16.7) |  |  |  |  | baseline |  |
 No | 996 | 310 (31.1) | 686 (68.9) |  |  | −2.381 (0.817) | 0.004 | 0.092 | 0.019–0.459 |