Table 3.
Odds Ratios for Developing a Severe Shigella Infectiona Among Children—Foodborne Diseases Active Surveillance Network, 2009–2018
| Unadjusted | Adjustedb | |
|---|---|---|
| Characteristic | Odds Ratio (95% CI) | Odds Ratio (95% CI) |
| Sex (male vs female) | 1.02 (0.91–1.14) | 1.02 (0.90–1.16) |
| Age group | ||
| <1 year | 1.00 (ref) | 1.00 (ref) |
| 1–4 years | 0.96 (0.69–1.33) | 0.80 (0.54–1.18) |
| 5–8 years | 1.19 (0.86–1.66) | 0.92 (0.62–1.37) |
| 9–12 years | 1.34 (0.94–1.90) | 1.01 (0.66–1.55) |
| 13–17 years | 1.89 (1.32–2.72) | 1.43 (0.92–2.21) |
| Race/ethnicity | ||
| Hispanic, any race | 1.30 (1.12–1.50) | 1.11 (0.93–1.31) |
| American Indian/Alaska Native, non-Hispanic | 1.20 (0.78–1.85) | 1.01 (0.62–1.64) |
| Asian/Pacific Islander, non-Hispanic | 0.71 (0.49–1.04) | 0.57 (0.36–0.90) |
| Black, non-Hispanic | 0.99 (0.85–1.14) | 0.99 (0.85–1.16) |
| White, non-Hispanic | 1.00 (ref) | 1.00 (ref) |
| Species (non-sonnei speciesc vs S. sonnei) | 2.72 (2.29–3.22) | 2.58 (2.12–3.14) |
Abbreviation: ref, reference group for odds ratio.
a
Criteria for severe classification were hospitalization, bacteremia, or death.
b
Results of multivariable model including sex, age group, race/ethnicity, Shigella species (S. sonnei vs non-sonnei species [S. flexneri, S. boydii, and S. dysenteriae]) and FoodNet site.
c
Includes S. flexneri, S. boydii, and S. dysenteriae.