Moçambique inquérito demográfico e de saúde 2003. Demographic and Health Surveys. Calverton, Maryland, USA: Instituto Nacional de Estatística, Ministério da Saúde and ORC Macro, 2005 Unweighted sample size is less than 25, point estimate, lower limit and upper limit have been suppressed; Unweighted sample size is less than 25, point estimate, lower limit and upper limit have been suppressed