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Head lice prevalence among households in Norway: importance of spatial variables and individual and household characteristics


Head lice prevalence varies greatly between and within countries, and more knowledge is needed to approach causes of this variation. In the present study, we investigated head lice prevalence among elementary school students and their households in relation to individual and household characteristics as well as spatial variables. The investigation included households from 5 geographically separated municipalities. Present infestations among household members as well as previous infestations in the household were reported in a questionnaire. In elementary school students prevalence was low (1·63%), but more than one-third of the households (36·43%) had previously experienced pediculosis. Prevalence was higher in elementary school students than in other household members, and highest in third-grade children. Prevalence was also influenced by the school attended, which suggested that interactions between children in the same school are important for head lice transmission. Previous occurrence of head lice in homes also increased the risk of present infestation. Prevalence of previous infestations was higher in households with more children and in more densely populated municipalities, indicating that the density of hosts or groups of hosts influences transmission rates. These results demonstrate that information of hosts’ spatial distribution as well as household and individual characteristics is needed to better understand head lice population dynamics.

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      Head lice prevalence among households in Norway: importance of spatial variables and individual and household characteristics
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      Head lice prevalence among households in Norway: importance of spatial variables and individual and household characteristics
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Altizer, S., Nunn, C. L., Thrall, P. H., Gittleman, J. L., Antonovics, J., Cunningham, A. A., Dobson, A. P., Ezenwa, V., Jones, K. E., Pedersen, A. B., Poss, M. and Pulliam, J. R. C. (2003). Social organization and parasite risk in mammals: Integrating theory and empirical studies. Annual Review of Ecology Evolution and Systematics 34, 517547.
Arneberg, P., Skorping, A., Grenfell, B. and Read, A. F. (1998). Host densities as determinants of abundance in parasite communities. Proceedings of the Royal Society of London, B 265, 12831289.
Balcioglu, I. C., Kurt, O., Limoncu, M. E., Dinc, G., Gumus, M., Kilimcioglu, A. A., Kayran, E. and Ozbilgin, A. (2007). Rural life, lower socioeconomic status and parasitic infections. Parasitology International 56, 129133.
Burgess, I. F. (1995). Human lice and their management. In Advances in Parasitology (ed. Baker, J. R., Muller, R. and Rollinson, D.), pp. 271–341 Academic Press Limited, San Diego, CA, USA.
Burgess, I. F. (2009). Current treatments for pediculosis capitis. Current Opinion in Infectious Diseases 22, 131136.
Canyon, D. V., Speare, R. and Muller, R. (2002). Spatial and kinetic factors for the transfer of head lice (Pediculus capitis) between hairs. Journal of Investigative Dermatology 119, 629631.
Catala, S., Junco, L. and Vaporaky, R. (2005). Pediculus capitis infestation according to sex and social factors in Argentina. Revista de Saude Publica 39, 438443.
Counahan, M., Andrews, R., Buttner, P., Byrnes, G. and Speare, R. (2004). Head lice prevalence in primary schools in Victoria, Australia. Journal of Paediatrics and Child Health 40, 616619.
Counahan, M. L., Andrews, R. M., Weld, H., Helen, W. and Speare, R. (2007). What parents in Australia know and do about head lice. Rural and Remote Health 7, online. Web page:
Eaker, S., Bergstrom, R., Bergstrom, A., Adami, H. O. and Nyren, O. (1998). Response rate to mailed epidemiologic questionnaires: A population-based randomized trial of variations in design and mailing routines. American Journal of Epidemiology 147, 7482.
Falagas, M. E., Matthaiou, D. K., Rafailidis, P. I., Panos, G. and Pappas, G. (2008). Worldwide prevalence of head lice. Emerging Infectious Diseases 14, 14931494.
Gratz, N. G. (1997). Human Lice. Their Prevalence, Control and Resistance to Insecticides. A Review 1985–1997. World Health Organization, Geneva, Switzerland.
Hanski, I. (1999). Metapopulation Ecology, 1st Edn. Oxford University Press, New York, USA.
Hanski, I. and Thomas, C. D. (1994). Metapopulation dynamics and conservation – a spatially explicit model applied to butterflies. Biological Conservation 68, 167180.
Heukelbach, J. (2010). Management and Control of Head Lice Infestations. UNI-MED Verlag AG, Bremen, Germany.
Ibarra, J., Fry, F., Wickenden, C., Jenner, M. and Franks, A. (2009). The impact of well-developed preventative strategies on the eradication of head lice. Perspectives in Public Health 129, 165173.
Krasnov, B., Khokhlova, I. and Shenbrot, G. (2002). The effect of host density on ectoparasite distribution: An example of a rodent parasitized by fleas. Ecology 83, 164175.
Leung, A. K., Fong, J. H. and Pinto-Rojas, A. (2005). Pediculosis capitis. Journal of Pediatric Health Care 19, 369373.
Margolis, L., Esch, G. W., Holmes, J. C., Kuris, A. M. and Schad, G. A. (1982). The use of ecological terms in parasitology (report of an ad hoc committee of the American society of parasitologists). The Journal of Parasitology 68, 131133.
Mbora, D. N. M. and Mcpeek, M. A. (2009). Host density and human activities mediate increased parasite prevalence and richness in primates threatened by habitat loss and fragmentation. Journal of Animal Ecology 78, 210218.
Ministry of Local Government and Regional Development (2010). Kommuneproposisjonen 2010. Stortingsproposisjon nr. 68 (2008–2009). Web page:
Mossong, J., Hens, N., Jit, M., Beutels, P., Auranen, K., Mikolajczyk, R., Massari, M., Salmaso, S., Tomba, G. S., Wallinga, J., Heijne, J., Sadkowska-Todys, M., Rosinska, M. and Edmunds, W. J. (2008). Social contacts and mixing patterns relevant to the spread of infectious diseases. Plos Medicine 5, 381391.
Motovali-Emami, M., Aflatoonian, M. R., Fekri, A. and Yazdi, M. (2008). Epidemiological aspects of Pediculosis capitis and treatment evaluation in primary-school children in Iran. Pakistan Journal of Biological Sciences 11, 260264.
Mumcuoglu, K. Y., Barker, S. C., Burgess, I. E., Combescot-Lang, C., Dalgleish, R. C., Larsen, K. S., Miller, J., Roberts, R. J. and Taylan-Ozkan, A. (2007). International guidelines for effective control of head louse infestations. Journal of Drugs in Dermatology: JDD 6, 409414.
Mumcuoglu, K. Y., Gilead, L. and Ingber, A. (2009). New insights in pediculosis and scabies. Expert Review of Dermatology 4, 285302.
Norwegian Mapping Authority (2010). Areal statistikk. Kommuner. Web page:
Pedlex Norsk Skoleinformasjon (2010). Pedlex norsk skoleinformasjon. Offentlige grunnskoler i Norge. Web page:
Pulliam, H. R. (1988). Sources, sinks, and population regulation. American Naturalist 132, 652661.
Roberts, R. J. (2002). Clinical practice. Head lice. New England Journal of Medicine 346, 16451650.
Rukke, B. A. and Midtgaard, F. (1998). The importance of scale and spatial variables for the fungivorous beetle Bolitophagus reticulatus (Coleoptera, Tenebrionidae) in a fragmented forest landscape. Ecography 21, 561572.
Sorci, G., deFraipont, M. and Clobert, J. (1997). Host density and ectoparasite avoidance in the common lizard (Lacerta vivipara). Oecologia 111, 183188.
Soultana, V., Euthumia, P., Antonios, M. and Angeliki, R. S. (2009). Prevalence of pediculosis capitis among schoolchildren in Greece and risk factors: A questionnaire survey. Pediatric Dermatology 26, 701705.
Speare, R. and Buettner, P. G. (1999). Head lice in pupils of a primary school in Australia and implications for control. International Journal of Dermatology 38, 285290.
Stanko, M., Krasnov, B. R. and Morand, S. (2006). Relationship between host abundance and parasite distribution: inferring regulating mechanisms from census data. Journal of Animal Ecology 75, 575583.
Stanko, M., Miklisova, D., de Bellocq, J. G. and Morand, S. (2002). Mammal density and patterns of ectoparasite species richness and abundance. Oecologia 131, 289295.
StataCorp LP (2009). Stata. 11 ed. StataCorp LP.
Statistics Norway (2008). Barnehager, barn og ansatte, etter fylke. 2009. Web page:
Stone, P., Wilkinson-Herbots, H. and Isham, V. (2008). A stochastic model for head lice infections. Journal of Mathematical Biology 56, 743763.
Toloza, A., Vassena, C., Gallardo, A., Gonzalez-Audino, P. and Picollo, M. I. (2009). Epidemiology of Pediculosis capitis in elementary schools of Buenos Aires, Argentina. Parasitology Research 104, 12951298.
Wiens, J. A. (1989). Spatial Scaling in Ecology. Functional Ecology 3, 385397.
Willems, S., Lapeere, H., Haedens, N., Pasteels, I., Naeyaert, J. M. and De Maeseneer, J. (2005). The importance of socio-economic status and individual characteristics on the prevalence of head lice in schoolchildren. European Journal of Dermatology 15, 387392.
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