Table 2. Factors associated with Staphylococcus aureus bacteremia in children <5 years of age identified through 2 surveillance systems, The Gambia, 2011–2015*.
| Variable | No. cases/no. person-years at risk | Incidence, cases/100,000 person-years | Incidence rate ratio (95% CI) | p value |
|---|---|---|---|---|
| Age, mo | ||||
| 24–59 | 18/128,994 | 14.0 | 1 | |
| 12–23 | 29/44,433 | 65.3 | 4.70 (2.6–8.4) | |
| 1–11 | 53/39,969 | 132.6 | 9.50 (5.6–16.2) | |
| <1 |
70/3,367 |
2079.0 |
148.99 (88.8–250.1) |
<0.001 |
| Sex | ||||
| M | 82/107,515 | 76.3 | 1 | |
| F |
88/109,248 |
80.6 |
1.06 (0.8–1.4) |
0.72 |
| Season | ||||
| Dry | 85/144,508 | 58.8 | 1 | |
| Wet | 85/72,255 | 117.6 | 2.00 (1.5–2.7) | <0.001 |
*Surveillance data are from the Basse Health and Demographic Surveillance System and the Fuladu West Health and Demographic Surveillance System