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PubMed2002

Selective feeding centres in refugee settings: evaluation framework protocol.

Selective feeding programs are centres for the treatment of persons suffering from acute malnutrition. Unlike chronic malnutrition, acute malnutrition reflects recent problems. In a crisis situation, wasting is preferred above other indicators because it is sensitive to rapid change, indicates present change, can be used to monitor the impact of interventions and is a good predictor of immediate mortality risk. This paper reviews the current approach being used in the field to evaluate the effectiveness of feeding programs. There is no comprehensive evaluation framework in place to assess the impact of feeding programs on mortality due to malnutrition. Some loose outcome measures, such as the number of children enrolled in a feeding centre, are being used to determine if a feeding centre should continue. In addition, malnutrition prevalence and crude mortality rates determined through nutritional and mortality surveys are used to assess the impact of feeding programs. This procedure does not take into account potential confounding factors that impact on malnutrition prevalence, including access to non-relief foods and the general food ration. Therefore, one could not confidently say that the reduction of malnutrition prevalence is a result of feeding programs. This paper presents an alternative approach to evaluating feeding centres.

Acute Disease↗
PubMed1996

Self-protection from malaria vectors in Pakistan: an evaluation of popular existing methods and appropriate new techniques in Afghan refugee communities.

Experimental huts were used to measure the impact of several techniques for self-protection from malaria vectors in Pakistan. An electric fan, pyrethrum coils, untreated curtains, pyrethroid-vaporizing mats and permethrin-impregnated curtains reduced the total catches of blood-fed Anopheles stephensi by 27%, 36%, 47%, 56% and 65%, respectively. The most marked effect of all the interventions was in reducing the numbers of mosquitoes entering the huts, although all the techniques, except for the untreated curtain, also reduced the proportion of mosquitoes inside the hut which fed. Although the trends seen were similar for both anopheline (all An. stephensi) and culicine mosquitoes, they were more pronounced in the culicines. Social surveys were conducted on current self-protection practices. The social and economic constraints associated with each of the various techniques are discussed. All the strategies were shown to offer a degree of protection and their use should be encouraged. Impregnated curtains seem especially promising. Pyrethroid-impregnated bednets have been widely promoted in eastern Afghanistan since 1991 and have the advantage of providing protection when people sleep outside during the summer. However, surveys show that some owners stop using their nets in late autumn, despite the continued risk of malaria. People should be encouraged to use their bednets as impregnated curtains rather than putting them into storage.

Afghanistan↗