Volume 19, Number 11—November 2013
Dispatch
Increased Incidence of Campylobacter spp. Infection and High Rates among Children, Israel
Table
Incidence of Campylobacter spp. infection by study period, sex, and age group, Israel 1999–2010
Campylobacter species | Incidence rate ratio (95% CI) |
||
---|---|---|---|
Full study period, 1999–2010 | Study period I, 1999–2006 | Study period II, 2007–2010 | |
All Campylobacter spp. | |||
Annual trend* | 1.10 (1.08–1.12) | 1.08 (1.05–1.12) | 1.19 (1.12–1.25) |
Male sex† | 1.36 (1.22–1.52) | 1.37 (1.18–1.60) | 1.35 (1.21–1.51) |
Age group, y‡ | |||
0–<2 | 26.27 (18.68–36.96) | 29.96 (18.96–47.33) | 22.81 (13.49–38.59) |
2–<10 | 5.50 (3.91–7.75) | 5.86 (3.70- 9.28) | 5.17 (3.05–8.75) |
10–<30 | 2.34 (1.57–3.50) | 2.29 (1.33–3.92) | 2.40 (1.30–4.43) |
50–<70 | 1.42 (0.92–2.20) | 1.51 (0.85–2.70) | 1.33 (0.67–2.63) |
>70 |
1.81 (1.19–2.74) |
1.81 (1.03- 3.16) |
1.81 (0.95–3.43) |
C. jejuni | |||
Annual trend* | 1.10 (1.08- 1.12) | 1.09 (1.06–1.12) | 1.19 (1.12–1.26) |
Male sex† | 1.39 (1.25–1.54) | 1.40 (1.23–1.61) | 1.37 (1.21–1.55) |
Age group, y‡ | |||
0–<2 | 28.42 (19.96–40.46) | 31.42 (19.89–49.62) | 25.45 (14.36–45.09 |
2–<10 | 6.04 (4.24–8.61) | 6.29 (3.98–9.95) | 5.78 (3.26–10.26) |
10–<30 | 2.50 (1.66–3.77) | 2.42 (1.42- 4.13) | 2.58 (1.33- 4.99) |
50–<70 | 1.42 (0.90–2.23) | 1.40 (0.86- 2.74) | 1.30 (0.62–2.75) |
>70 |
1.70 (1.09–2.63) |
1.73 (0.99- 3.05) |
1.66 (0.81–3.37) |
C. coli | |||
Annual trend* | 1.11 (1.08–1.13) | 1.07 (1.01–1.12) | 1.17 (1.12- 1.23) |
Male sex† | 1.28 (1.10–1.50) | 1.27 (0.98–1.65) | 1.29 (1.15–1.45) |
Age group, y ‡ | |||
0–<2 | 20.16 (14.04–28.94) | 25.57 (14.81–44.14) | 15.86 (10.12–24.85) |
2–<10 | 3.99 (2.77–5.73) | 4.53 (2.61- 7.86) | 3.55 (2.26–5.57) |
10–<30 | 1.91 (1.24–2.95) | 1.87 (0.97- 3.64) | 1.94 (1.13–3.31) |
50–<70 | 1.42 (0.90–2.25) | 1.44 (0.72–2.90) | 1.40 (0.79–2.48) |
>70 | 2.09 (1.36–3.22) | 2.03 (1.06- 3.91) | 2.15 (1.27–3.64) |
*Per year, adjusted for study years.
†Reference: female
‡Reference: 30–<50 y age group.