Gregson, S.

migrant behaviour resident zimbabwe migration hiv incidence hiv infection partner future migrants study future out-migrants risk behaviour baseline 5 pp 705–711 difference follow-up health volume 11 incidence followed-up 0.8 infection hiv prevalence prevalence 12 months health status population 0.1 location 2006 c 0.7 0.5 0.9 study areas 1 partner harare subsistence farming areas 0.3 manicaland gregson month education 0.6 female mutare medicine signi sample 0.2 africa result individual epidemic roadside trading centres mundandi entre 1.0 emigrants signi ficantly odds ratios hiv /aids sexuel comportement emigrante p-value 0.4 volume household publishing table community mobility blackwell 705–711 migration process hiv transmission disease follow-up rates 3 years