Table 1. Characteristics of rotavirus-infected under-five children with (cases) or without (controls) clinical dehydration in Dhaka.
| Cases (1784), n (%) | Controls (3466), n (%) | OR1 | 95% CI | P | |
|---|---|---|---|---|---|
| Demographics | |||||
| Age in months, 0–5 | 265 (14.9) | 444 (12.8) | 1.3 | 1.1–1.5 | 0.007 |
| Age in months, 6–23 | 1375 (77.0) | 2891 (83.4) | - | - | - |
| Age in months, 24–59 | 144 (8.1) | 131 (3.8) | 2.3 | 1.8–3.0 | <0.001 |
| Female sex | 699 (39.2) | 1258 (36.3) | 1.1 | 1.01–1.3 | 0.041 |
| Illiterate mother | 251 (14.1) | 316 (9.1) | 1.6 | 1.4–1.9 | <0.001 |
| Use of non-sanitary latrine | 322 (18.1) | 542 (15.6) | 1.2 | 1.02–1.4 | 0.026 |
| Monthly income ≤100 USD | 410 (23.0) | 649 (18.7) | 1.3 | 1.1–1.5 | <0.001 |
| Distance traveled >5 miles | 1650 (92.5) | 3166 (91.3) | 1.2 | 0.9–1.4 | 0.154 |
| Living in slums | 65 (3.6) | 83 (2.4) | 1.5 | 1.1–2.1 | 0.010 |
| Symptoms | |||||
| Vomiting | 1467 (82.2) | 2548 (73.5) | 1.7 | 1.4–1.9 | <0.001 |
| Fever | 125 (7.0) | 192 (5.5) | 1.3 | 1.02–1.6 | 0.035 |
| Pre-hospital diarrhea <1 day | 492 (27.6) | 781 (22.5) | 1.3 | 1.1–1.5 | <0.001 |
| Home treatment | |||||
| No ORS at home | 50 (2.8) | 60 (1.7) | 1.6 | 1.1–2.4 | 0.010 |
| Season | |||||
| Summer | 413 (23.2) | 781 (22.5) | 1.1 | 1.0–1.3 | 0.116 |
| Monsoon | 319 (17.9) | 459 (13.2) | 1.5 | 1.3–1.7 | <0.001 |
| Nutritional status | |||||
| Stunting | 380 (21.9) | 590 (17.4) | 1.3 | 1.2–1.5 | <0.001 |
| Wasting | 438 (25.3) | 432 (12.7) | 2.3 | 2.0–2.7 | <0.001 |
1ORs were calculated for the presence of clinical dehydration (case) compared to no dehydration (control).
Reference categories: Age 6–23 months, male sex, literate mother, use of sanitary latrine, monthly income >100 USD, distance traveled ≤5 miles, not living in slums, no vomiting, normal temperature, duration of diarrhea ≥1 day before arrival at icddr,b hospital, use of ORS at home, winter season, no stunting, and no wasting.
Abbreviations: OR, odds ratio; CI, confidence interval; USD, United States Dollar; ORS, oral rehydration solution.