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Titolo:
Exposure to Schistosoma mansoni infection in a rural area in Brazil. II: Household risk factors
Autore:
Bethony, J; Williams, JT; Kloos, H; Blangero, J; Alves-Fraga, L; Buck, G; Michalek, A; Williams-Blangero, S; LoVerde, PT; Correa-Oliveira, R; Gazzinelli, A;
Indirizzi:
FIOCRUZ, Ctr Pesquisas Rene Rachou, BR-30190002 Belo Horizonte, MG, BrazilFIOCRUZ Belo Horizonte MG Brazil BR-30190002 BCBelo Horizonte, MG, Brazil SW Fdn Biomed Res, San Antonio, TX 78284 USA SW Fdn Biomed Res San Antonio TX USA 78284 Res, San Antonio, TX 78284 USA Univ Calif San Francisco, San Francisco, CA 94143 USA Univ Calif San Francisco San Francisco CA USA 94143 ancisco, CA 94143 USA Univ Vale de Rio Doce, Governador Valadares, MG, Brazil Univ Vale de Rio Doce Governador Valadares MG Brazil ladares, MG, Brazil SUNY Buffalo, Sch Med & Biomed Sci, Buffalo, NY 14260 USA SUNY Buffalo Buffalo NY USA 14260 Med & Biomed Sci, Buffalo, NY 14260 USA Univ Fed Minas Gerais, Escola Enfermagem, Belo Horizonte, MG, Brazil Univ Fed Minas Gerais Belo Horizonte MG Brazil elo Horizonte, MG, Brazil
Titolo Testata:
TROPICAL MEDICINE & INTERNATIONAL HEALTH
fascicolo: 2, volume: 6, anno: 2001,
pagine: 136 - 145
SICI:
1360-2276(200102)6:2<136:ETSMII>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
STRONGYLOIDES-STERCORALIS INFECTION; WATER CONTACT; VARIANCE-COMPONENTS; PEDIGREE ANALYSIS; LINKAGE ANALYSIS; HUMAN-BEHAVIOR; RESISTANCE; IMMUNITY; SUSCEPTIBILITY; TRANSMISSION;
Keywords:
Schistosoma mansoni; epidemiology; variance component methods; household; Brazil;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
45
Recensione:
Indirizzi per estratti:
Indirizzo: Bethony, J FIOCRUZ, Ctr Pesquisas Rene Rachou, Av Augusto de Lima 1715, BR-30190002 Belo Horizonte, MG, Brazil FIOCRUZ Av Augusto de Lima 1715 Belo Horizonte MG Brazil BR-30190002 BC
Citazione:
J. Bethony et al., "Exposure to Schistosoma mansoni infection in a rural area in Brazil. II: Household risk factors", TR MED I H, 6(2), 2001, pp. 136-145

Abstract

A number of studies have pointed out the potential importance of the household in the transmission of schistosomiasis. The clustering of domestic activities associated with water collection, storage, and usage can result in the sharing of transmission sites and infective water contact behaviours. In this study, we employed a variance component method to estimate effects due to individual risk factors and shared residence on the variance in faecal egg counts during Schistosoma mansoni infection. A suite of covariates, which included demographic, socioeconomic, water supply, and water contact behaviour terms, contributed 15% to the variance in faecal egg counts. Shared residence alone accounted for 28% of the variance in faecal egg excretion. When both the suite of covariates and shared residence were considered inthe same model, shared residence still contributed 22% to the variance in infection intensity. These results point to the importance of shared residence as a means of capturing the complex interrelationship between shared demographic, socioeconomic, physical environmental, and behavioural factors that influence transmission of schistosomiasis at the household level.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 16:35:02