Volume 23, Number 7—July 2017
CME ACTIVITY - Research
Risk Factors for Legionella longbeachae Legionnaires’ Disease, New Zealand
Table 1
Demographic characteristics of Legionnaires’ disease case-patients and controls, New Zealand, October 1–March 31, 2013–2014 and 2014–2015
Characteristic | Case-patients, no. (%) | Controls, no. (%) |
---|---|---|
Age, y | ||
30–39 | 1 (3) | 3 (2) |
40–49 | 4 (13) | 8 (5) |
50–59 | 4 (13) | 36 (21) |
60–69 | 7 (23) | 56 (33) |
70–79 | 10 (32) | 49 (28) |
>80 | 5 (16) | 20 (12) |
Median age |
69 |
66 |
Sex | ||
M | 18 (58) | 74 (43) |
F |
13 (42) |
98 (57) |
Ethnicity* | ||
European | 30 (97) | 156 (91) |
Māori | 1 (3) | 6 (3) |
Pacific | 0 | 1 (1) |
Other | 0 | 8 (5) |
Not specified |
0 |
1 (1) |
Income | ||
≤$70,000† | 19 (61) | 83 (48) |
>$70,000 | 6 (19) | 53 (31) |
Missing |
6 (19) |
36 (21) |
Possible occupational exposure‡ | ||
Yes | 2 (6) | 7 (4) |
No | 28 (90) | 165 (96) |
Missing | 1 (3) |
*If Māori and other ethnicities were ticked, the person’s ethnicity was recorded as Māori; if Pacific but not Māori was ticked, the person’s ethnicity was recorded as Pacific.
†$70,000 was approximately the reported New Zealand median household income in 2013 (19).
‡For case-patients: 1 garden center worker and 1 farm manager. For controls: 4 farmers, 1 soil scientist, 1 gardener, and 1 landscaper.
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1These authors contributed equally to this article.