[An analysis of the size of the family household and family structure in China].
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A small, single enhancing lesion (SEL) is often noted upon computed tomography (CT) in children and young adults with recent focal or generalized seizures. A high frequency of seizures has been reported in family members of persons with SEL. We studied the prevalence of seizures and cysticercus electro-immuno-transfer blot (EITB) based seropositivity among family members, specifically household family contacts of pediatric subjects with a SEL. An attempt was also made to determine the etiology of seizures in household family contacts using magnetic resonance imaging (MRI). Information regarding seizure semiology, personal and food habits and detailed family pedigrees was obtained from 20 consecutive pediatric subjects with a SEL and 51 of their household family contacts. EITB sero-assays and stool examinations were performed on all participating subjects. MRIs were done on all EITB positive household family contacts. A family history of seizures was obtained in six index children (30%) (five household first-degree relatives and two distant relatives). Seventeen index children (85%) and 14 family contacts (27%) were EITB positive. A tendency towards clustering of EITB positive cases within individual families was observed. Stool examinations did not reveal Taenia species ova in any of EITB positive subjects. Neuroimaging studies revealed abnormalities consistent with active or inactive neurocysticercosis in all five household family contacts with history of seizures. Four of these five subjects were EITB positive and one was EITB negative. We concluded that children with SEL and seizures may have a family history of seizures. There is a high seropositivity rate in household family contacts of pediatric subjects with solitary cysticercus granulomas (SCGs). EITB based seropositivity in household family contacts with seizures, strongly predicts a cysticercal etiology for seizures. It may be worthwhile to screen household family contacts of children with SEL for taeniasis-cysticercosis.
Following the descriptive analysis of the deaths occurring within a Japanese pioneer agricultural community in the lowlands of eastern Bolivia, the impact of death on the permanency of the household and the family farming system was analyzed. During the 20 years since the establishment of the colony, adult male deaths were in a greater than twofold excess over those of adult females, and one-third of the number of deaths was attributable to unnatural causes. The death of adult members of the household was not directly related to remigration, but a significant association with remigration was found in the specific cases of death of the household head: the cases of sudden death from unnatural causes, or the cases in which the household contained no adult male who would take over the role of practicing pioneer farming after the demise of the head. The data also showed a retarded agricultural development where the head had died at an early stage of the establishment of the household. The results suggest that the family structure and the family life cycle of a household has an important safety-valve role in maintaining adjustment potential in the community.
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BACKGROUND: Studies to assess pesticide exposure of individuals living in agricultural settings suggest that farmworkers create a "take-home" pathway from the fields to the home that increases exposure risk for non-farmworker household members. METHODS: A survey was conducted with 142 Latino women in farmworker family households in North Carolina to identify predictors of adherence to pesticide safety behaviors that may affect take-home exposure risk. Behaviors included changing work clothes before entering the house, storing and washing contaminated work clothes separately from family clothing, and showering upon returning home. RESULTS: The number of farmworkers in the household was negatively associated with adherence to recommended changing, storing, and showering behaviors. Most workers followed recommended laundry procedures for work clothes. CONCLUSIONS: Results support existing evidence for a take-home pathway for pesticide residues in homes with several farmworkers. Pesticide safety education needs to reinforce behaviors that reduce take-home exposure in farmworker households.
The relationship between contemporary household family structures at fourth-grade and sixth-grade parent- and teacher-rated aggression was examined in an epidemiologically defined population of urban school children. The relationship between family structure and aggression varied by child gender and by parent and teacher ratings in the home and school, respectively. After taking into account family income, urban area, and fourth-grade aggressive behavior, boys in both mother-father and mother-male partner families were significantly less likely than boys in mother-alone families to be rated as aggressive by teachers. No significant relations between family structure and teacher- or parent-rated aggression were found for girls.
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"This article analyses the social factors that promote the formation of complex family structures--with several [nuclear families]...living in the same household, in Spanish society. Although it could be thought that these complex family structures are associated [with] the household structure typical of traditional peasant communities, it is true that they also exist in...modern urban households." Data are primarily taken from the 1990 Active Population Survey. (SUMMARY IN ENG)
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The case histories of a family are described where 3 out of 4 developed asbestos-related diseases. Only the husband had direct occupational exposure handling blue-asbestos materials while working in a producing insulating factory in 1950-59. He died of pulmonary asbestosis as an occupational disease. His wife and his son died of asbestos related mesothelioma. Detailed exposure history revealed exposure to asbestos by laundering her husband's contaminated working clothes. His son was exposed to asbestos during childhood by helping his mother laundering the father's working clothes and in addition by visiting his father's working place regularly. The significance of nonoccupational exposure to asbestos is emphasized as a causative factor in the development of malignant mesothelioma.