• Casella G & Berger RL (1990) Statistical inference. Wadsworth, Pacific Grove, CA.
  • Chima RI, Goodman CA & Mills A (2003) The economic impact of malaria in Africa: a critical review of the evidence. Health Policy 63, 1736.
  • Chuma JM, Thiede M & Molyneux CS (2006) Rethinking the economic costs of malaria at the household level: evidence from applying a new analytical framework in rural Kenya. Malaria Journal 5, 76.
  • Cuzick J (1985) A Wilcoxon-type test for trend. Statistics in Medicine 4, 8790.
  • Deaton A & Zaidi S (1999) Guidelines for constructing consumption aggregates for welfare analysis. The World Bank, Princeton, NJ.
  • Ettling M, McFarland DA, Schultz LJ & Chitsulo L (1994) Economic impact of malaria in Malawian households. Tropical Medicine and Parasitology 45, 7479.
  • Government of Tanzania (2001) Household budget survey. Ministry of Information Services, Dar es Salaam.
  • INDEPTH (2002) Population and Health in Developing Countries. International Development Research Centre, Ottawa.
  • Jones CO & Williams HA (2004) The social burden of malaria: what are we measuring? American Journal of Tropical Medicine and Hygiene 71, 156161.
  • Litvack JI & Bodart C (1993) User fees plus quality equals improved access to health care: results of a field experiment in Cameroon. Social Science and Medicine 37, 369383.
  • Mugisha F, Kouyate B, Gbangou A & Sauerborn R (2002) Examining out-of-pocket expenditure on health care in Nouna, Burkina Faso: implications for health policy. Tropical Medicine and International Health 7, 187196.
  • Munishi G (2003) Intervening to address constraints through health sector reforms in Tanzania: some gains and the unfinished business. Journal of International Development 15, 115131.
  • Njau JD, Goodman C, Kachur SP et al. (2006) Fever treatment and household wealth: the challenge posed for rolling out combination therapy for malaria. Tropical Medicine and International Health 11, 299313.
  • Roll Back Malaria (2003) Africa Malaria Report 2003. .
  • Sauerborn R, Nougtara A, Hien M & Diesfeld HJ (1996) Seasonal variations of household costs of illness in Burkina Faso. Social Science and Medicine 43, 281290.
  • Snow RW, Korenromp EL & Gouws E (2004) Pediatric mortality in Africa: Plasmodium falciparum malaria as a cause or risk? American Journal of Tropical Medicine and Hygiene 71, 1624.
  • Wiseman V, McElroy B, Conteh L & Stevens W (2006) Malaria prevention in The Gambia: patterns of expenditure and determinants of demand at the household level. Tropical Medicine and International Health 11, 419431.