Objective: Caustic substance ingestion is a public health issue in some underdeveloped countries. Published information on socio-demographic factors related to this problem is scarce. The aim of this study was to evaluate the association of socio-demographic factors with caustic ingestion in children.
Design: case-control study. Cases were children with caustic substance ingestion who were attended to during 2006 (n=94) at a pediatric referral hospital in Guadalajara, Mexico; the controls were a random sample of children who were hospitalized or seen as outpatients in the same pediatric referral hospital (n=641). The socio-demographic variables were studied using a validated questionnaire (Children Nutrition Organization Survey).
Statistics: OR, 95% CI and logistic regression.
Results: Mean age of the cases was 3.2 years (SD 2.4) and 37.2% of cases were girls. Caustic ingestion occurred at home in 63.8% of cases and at a relative's home in 23.4% of cases. Alkaline products were ingested by 85.1%; containers had no warning labels in 72.3% of cases and no childproof safety caps in 92.6% of cases. The socio-demographic variables associated with caustic ingestion included higher family income, lower educational level of the mother, higher proportion of fathers working as independent professionals, extended family, mother's age <30 years, and mother working outside the home.
Conclusions: The observed family risk profile for caustic ingestion was higher family income, young working mother with low educational level, father working as independent professional, and extended family.
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