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Volume 13, Number 11—November 2007

Research

Risk Factors for Mycobacterium ulcerans Infection, Southeastern Australia

Tricia Y.J. Quek*, Eugene Athan*†, Margaret J. Henry*, Julie A. Pasco*†Comments to Author , Jane Redden-Hoare‡, Andrew Hughes*†, and Paul D.R. Johnson*§
Author affiliations: *University of Melbourne, Melbourne, Victoria, Australia; †Barwon Health, Geelong, Victoria, Australia; ‡Barwon Health Centre of Education & Practice Development, Geelong, Victoria, Australia; §Austin Health, Melbourne, Victoria, Australia;

Main Article

Table 2

Association of Buruli ulcer with behavioral and lifestyle factors, Bellarine Peninsula, southeastern Australia

Variable Case-patients, n (%) Control-participants, 
n (%) OR (95% CI)* p value
Outdoor clothing covers
Arms 18 (38) 247 (41) 0.62 (0.33–1.18) 0.15
Legs 24 (50) 343 (57) 0.51 (0.27–0.97) 0.04
Immediately washes wounds
12 (24)
225 (37)
0.47 (0.24–0.94)
0.03
Uses gardening products
Potting mix 32 (67) 369 (61) 1.28 (0.68–2.40) 0.44
Pesticides 20 (42) 187 (31) 1.51 (0.83–2.77) 0.18
Fertilizers 30 (63) 307 (50) 1.28 (0.68–2.40) 0.44
Had topsoil delivered to home 6 (13) 65 (11) 1.34 (0.54–3.31) 0.53
Construction site is
At home 5 (10) 64 (11) 1.24 (0.47–3.32) 0.66
Near home 6 (13) 155 (25) 0.48 (0.20–1.17) 0.11
Wears gardening gloves
Does not garden 2 (4) 64 (11) 0.36 (0.08–1.56) 0.17
Always/usually 20 (42) 223 (37) 0.97 (0.52–1.80) 0.92
Sometimes/never† 26 (54) 321 (53)
Washes hands after gardening
Does not garden 2 (4) 65 (11) 0.33 (0.08–1.42) 0.07
Always/usually 43 (90) 515 (85) 0.61 (0.23–1.61) 0.24
Sometimes/never†
3 (6)
24 (4)


Owns a pet 21 (43) 343 (56) 0.74 (0.39–1.40) 0.35
Wears insect repellent
15 (31)
328 (54)
0.38 (0.20–0.71)
<0.01
Ever visits water area on western edge of Point Lonsdale
Summer 9 (19) 57 (9) 0.08‡
Autumn 9 (19) 49 (8) 0.04‡
Winter 8 (17) 46 (8) 0.07‡
Spring 7 (15) 50 (8) 0.22‡

*OR, odds ratio; CI, confidence interval. OR (95% CI) adjusted for age and location; boldface indicates statistical significance; – indicates that ORs could not be calculated.
Denotes reference group.
Fisher exact test for small numbers.

Main Article

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