Volume 18, Number 3—March 2012
Research
Foodborne and Waterborne Infections in Elderly Community and Long-Term Care Facility Residents, Victoria, Australia
Martyn D. Kirk
, Joy Gregory, Karin Lalor, Gillian V. Hall, and Niels Becker
, Joy Gregory, Karin Lalor, Gillian V. Hall, and Niels Becker
Table 3
Adjusted incidence rate ratios from multivariable model for foodborne and waterborne infections reported in residents >65 years of age in long-term care facilities and the community, Victoria, Australia, January 2000–December 2009
| Variable | Incidence rate ratio (95% CI) |
|||||
|---|---|---|---|---|---|---|
| Cryptosporidium,* n = 113 | Listeria monocytogenes, n = 73 | Salmonella enterica serovar Typhimurium, n = 662 | S. enterica, other serotypes, n = 586 | L. pneumophila/ other, n = 301 | Campylobacter spp., n = 6,387 | |
| Sex | ||||||
| F | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| M | 0.86 (0.51–1.4) | 1.5 (0.90–2.6) | 0.97 (0.80–1.2) | 0.97 (0.80–1.2) | 2.6 (1.7–4.1) | 1.2 (1.1–1.3) |
| Year | ||||||
| 2000–2004 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| 2005–2009 | 3.7 (2.1–6.6) | 1.2 (0.68–1.9) | 1.8 (1.4–2.2) | 1.7 (1.4–2.1) | 0.35 (0.23–0.53) | 1.2 (1.1–1.3) |
| Age group, y | ||||||
| 65–74 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| 75–84 | 0.92 (0.53–1.6) | 2.0 (1.1–3.5) | 1.1 (0.95–1.4) | 1.1 (0.86–1.3) | 1.5 (0.90–2.5) | 1.1 (1.0–1.2) |
| >85 | 0.58 (0.31–1.1) | 2.8 (1.2–6.4) | 1.3 (0.99–1.8) | 1.1 (0.80–1.4) | 1.2 (0.63–2.2) | 1.1 (1.0–1.2) |
| Long-term care facility resident | ||||||
| No | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Yes | 1.4 (0.74–2.8) | 0.56 (0.10–3.0) | 2.3 (1.6–3.4) | 1.4 (1.0–1.9) | 0.57 (0.27–1.2) | 0.63 (0.52–0.77) |
*In Victoria, reporting of cryptosporidiosis was voluntary until 2001, when notification became mandatory by law.
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