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Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán

2001, Number 4

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Rev Biomed 2001; 12 (4)

Incidence of diarrhea in a day care center.

Alonzo-Salomón J, Roque-Rodríguez O

Language: Spanish
References: 23
Page: 256-261
PDF size: 32.02 Kb.


ABSTRACT

Background. Day-care centers gather children together in an environment with higher exposure to agents causing diseases than those encountered in their home environment, resulting in higher incidence rates of diarrhea (IRD) in the day-care center than at home, and with the diarrhoeal and respiratory diseases as main causes of morbidity. This study describes the behavior of the incidence rate of diarrhea (IRD) in infants 1.5-23 months of age in a day-care center in Mérida, Yucatan, Mexico. Material and methods. We prospectively observed all the infants 1.5-23 months of age who attended a day-care center in Merida City from August 1996 to July 1997. We divided them in 4 age groups in order to obtain the number of diarrhea episodes, and the time at risk of diarrhea per child per day, to derive the IRD, and to make comparisons among the groups. Results. The total IRD = 2.7 episodes / child-year [95% confidence interval (95%CI) = 2.2-3.1] The IRD for children less than one year of age = 5.2 episodes/child-year [95% confidence interval (95%CI) = 4.1-6.3] this IRD is 4 times the IRD for infants older than one year of age [incidence rate ratio of diarrhea (IRRD) = 4.1, 95%CI = 2.9- 5.6] The IRD for infants 1.5-5 months of age = 7.0 episodes / child-year (95%CI = 4.9-9.1) the highest IRD among groups, and is 10 times greater the IRD of infants 18-23 months of age, the group with the lowest IRD. Discussion. The highest IRD in the day-care center was among infants less than 1 year old, and the group of infants less than 6 months old is the most affected. (Rev Biomed 2001; 12:256-261)


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