Table 1 Demographic characteristics of the CampySource Project case–control study for all campylobacteriosis cases, C. jejuni cases, C. coli cases, and controls, Australia, 2018–2019
From: Risk factors for campylobacteriosis in Australia: outcomes of a 2018–2019 case–control study
Characteristic | All cases (n = 571) n (%) | Controls (n = 586) n (%) | C. jejuni cases (n = 422) n (%) | C. coli cases (n = 84) n (%) | P value* | |
|---|---|---|---|---|---|---|
Sex | Female | 241 (42) | 244 (42) | 186 (44) | 30 (36) | 0.196 |
Male | 330 (58) | 342 (58) | 236 (56) | 54 (64) | ||
Jurisdiction | ACT | 93 (16) | 93 (16) | 64 (15) | 5 (6) | 0.076 |
HNE | 178 (31) | 192 (33) | 116 (28) | 27 (32) | ||
Qld | 300 (53) | 301 (51) | 242 (57) | 52 (62) | ||
Age | Mean (SD) | 39.4 (24.0) | 40.2 (23.9) | 38.1 (24.1) | 44.4 (21.9) | 0.018 |
Rurality | Rural or remote | 81 (14) | 75 (13) | 66 (16) | 9 (11) | 0.317 |
Aboriginal and Torres Strait Islander status | Aboriginal and Torres Strait Islander person | 28 (5) | 27 (5) | 22 (5) | 3 (4) | 0.783 |
Season | Summer | 145 (25) | 139 (24) | 102 (24) | 28 (33) | 0.354 |
Autumn | 147 (26) | 120 (21) | 112 (27) | 18 (21) | ||
Winter | 159 (28) | 204 (35) | 118 (28) | 22 (26) | ||
Spring | 120 (21) | 119 (20) | 90 (21) | 16 (19) | ||
Highest level of education | Year 10 | 66 (12) | 64 (11) | 46 (11) | 13 (15) | 0.312 |
Year 12 | 77 (14) | 75 (13) | 62 (15) | 6 (7) | ||
TAFE/apprenticeship | 145 (25) | 151 (26) | 106 (25) | 19 (23) | ||
Undergraduate degree | 160 (28) | 157 (27) | 122 (29) | 25 (30) | ||
Postgraduate degree | 114 (20) | 134 (23) | 79 (19) | 19 (23) | ||
Unknown or refused | 8 (1) | 3 (< 1) | 6 (1) | 2 (2) | ||
Household income in AUD per annum | < $25 k | 35 (6) | 39 (7) | 24 (6) | 7 (8) | 0.874 |
$25–50 k | 93 (17) | 81 (14) | 67 (16) | 14 (17) | ||
$50–100 k | 145 (25) | 124 (21) | 113 (27) | 20 (24) | ||
$100–150 k | 122 (21) | 146 (25) | 85 (20) | 17 (20) | ||
> $150 k | 118 (21) | 140 (24) | 87 (20) | 19 (23) | ||
Unknown or refused | 57 (10) | 54 (9) | 45 (11) | 7 (8) | ||
Language in household | Language other than English | 52 (9) | 52 (9) | 36 (9) | 7 (8) | 1.000 |