Table 3.
Cryptosporidium PCR-based prevalences of paedriatic children with 95% confidence intervals and odds ratios
| Factor | Prevalence, % | 95% CI | OR (95% CI) | |
|---|---|---|---|---|
| Age | 1 mo.-1½ yr | 27·3a (9/33) | 14·2–44·2 | |
| >1½−6 yr | 57·5b (69/120) | 48·5–66·1 | 3·61 (1·5–8·4) | |
| >6 yr | 25·0a,b (3/12) | 6·8–54·1 | ||
| Sex | Female | 49·4a (40/81) | 38·6–60·2 | |
| Male | 50·6a (41/81) | 39·8–61·4 | ||
| District | El-Tal El Kabier | 75·0a,c (18/24) | 55·08–89·2 | 5·52 (1·9–16·3) |
| Ismailia | 35·2b,e (19/54) | 23·4–48·5 | ||
| Abo swair | 52·4a (11/21) | 31·4–72·7 | ||
| West Kantara | 40·0a (8/20) | 20·6–62·1 | ||
| Kassasin | 76·5a,d (13/17) | 52·5–92·0 | 5·93 (1·7–20·9) | |
| Fayed | 42·1a (8/19) | 21·8–64·6 | ||
| East Kantara | 40·0a (4/10) | 14·2–70·9 | ||
| Water source | Underground | 66·7a (38/57) | 53·7–77·9 | 3·04 (1·5–5·9) |
| Tap | 39·8b (43/108) | 30·9–49·3 | ||
| Residency | Village | 60·9a (50/82) | 50·1–71·1 | 2·35 (1·3–4·3) |
| City | 37·3b (31/83) | 27·5–48·1 | ||
| Contact with animals | Ruminants | 75·8a (47/62) | 64·0–85·2 | 4·36 (1·6–11·3) |
| Chickens | 42·3b (11/26) | 24·6–61·6 | 5·27 (1·7–15·9) | |
| No contact | 12·3c (7/57) | 5·5–22·8 | ||
| Feces consistency | Watery, pasty | 52·7a (78/148) | 44·7–60·7 | 5·28 (1·4–18·9) |
| Normal, mucoid | 17·6b (3/17) | 4·6–40·9 |
Different superscripts (a, b, c) within a factor category indicate significant prevalence differences at P< 0·05.
The prevalence of Cryptosporidium on average in the 1½–6 yr age group was 3·6 times greater than in the other age groups.
The prevalence of Cryptosporidium on average in El-Tal El Kabier district was 5·5 times greater than in the other districts.
The prevalence of Cryptosporidium on average in Kassasin district was 5·9 times greater than in the other districts.
The prevalence of Cryptosporidium on average was 3·0 times greater in children consuming underground water rather than tap water.
The prevalence of Cryptosporidium on average was 2·3 times greater in children living in villages than in cities.
The prevalence of Cryptosporidium on average was 4·3 times greater in children having had contact with ruminants than in those having no contact.
The prevalence of Cryptosporidium on average was 5·2 times greater in children having had contact with chickens than in those having no contact.
The prevalence of Cryptosporidium on average was 5·2 times greater in children with watery, pasty stools than in those with normal, mucoid stools.