At risk factors in a rural area.
D002648:Child; D002675:Child, Preschool; D003967:Diarrhea / Q000150:complications; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009017:Morbidity; D009748:Nutrition Disorders / Q000209:etiology*; D012306:Risk; D012423:Rural Health; D012959:Socioeconomic Factors