Figure 6

Levels and trends of migration, Manhiça DSS, 1998 to 2005 and Maputo province, 1992–1997. Outmigration Manhiça – emigration rate per 1000 person-years, both sexes, Manhiça DSS. Imigration Manhiça – immigration rate per 1000 person-years, both sexes, Manhiça DSS. Internal migration Manhica – internal migration rate per 1000 person-years, both sexes, Manhiça DSS. The reported trend is statistically significant (P-value for the Likelihood Ratio Test using the Poisson regression for both linear vs null model and categorical vs linear models was <0.001). Outmigration Maputo – emigration rate per 1000, both sexes, Maputo province. Imigration Maputo – immigration rate per 1000, both sexes, Maputo province. The rate for 1992–97 in Maputo province were calculated by the Instituto Nacional de Estatistica [15], by comparing place of residence in 1992 and place of residence in 1997. The rates for 1996–97 were calculated by comparing place of residence in 1996 and place of residence in 1997.