Table 4.
Demographic Characteristics of Children with Salmonella Positive versus Salmonella Negative Stool Cultures.
| Variable |
Salmonella-positive stool culture n = 766 (1.61%) |
Salmonella Negative Stool culture n = 46,726 (89.87%) |
p value | |
|---|---|---|---|---|
| Mean age at stool culture examination, (years, CI) | 2.81 (2.64, 2.91) | 2.59 (2.56, 2.61) | .64 | |
| Age categories at stool culture examination | 0–3 months | 181 (23.6) | 8,993 (19.4) | .46 |
| >3–12 months | 167 (21.8) | 10,923 (23.1) | .06 | |
| 1–2 years | 329 (45.2) | 21,137 (45.3) | .784 | |
| >2–3 years | 89 (12.1) | 5,673 (12.2) | .759 | |
| Mean age at censoring (years, CI) | 12.8 (7.1–17.9) | 11.8 (6.5–17.9) | .554 | |
| Gender, n (%) | Male | 422 (55.1) | 25,857 (55.3) | .925 |
| Socio-economic status (SES) | Low | 310 (38.7) | 20,226 (43.3 ) | .025 |
| Middle | 337 (43.9) | 18,553 (39.7) | ||
| High | 49 (6.4) | 3,628 (7.7) | ||
| Missing | 70 (9.1) | 4,319 (9.3) | ||
| Ethnic group | Secular Jewish | 402 (52.5) | 27,226 (58.3) | .279 |
| Orthodox Jews | 247 (32.2) | 12,997 (27.8) | ||
| Israeli Arabs | 117 (15.3) | 6,503 (13.9) | ||
| No ADHD (n, %) | 630 (82.2) | 37,508 (80.3) | .784 | |
| Suspected ADHD cases (n, %) | 77 (10.1) | 5,173 (11.1) | .193 | |
| Confirmed ADHD cases (n, %) | 59 (7.7%) | 4,045 (8.6) | .14 5 | |
| Born on August-September (n, %) | 142 (18.5) | 8559 (18.3) | .568 | |