Forty‐one orphans whose fathers and/or mothers had died from AIDS, and were living in the poor suburbs of Dar Es Salaam, Tanzania, were compared with 41 matched non‐orphans from the same neighbourhoods. The subjects were given an arithmetic test and a semi‐structured questionnaire concerning any internalizing problems, their attendance at school and their experiences of punishment, reward and hunger. The scale of internalizing problems comprised 21 items adapted from the Rand Mental Health and Beck Depression Inventories concerning mood, pessimism, somatic symptoms, sense of failure, anxiety, positive affect and emotional ties. Most orphans lived with aunts and uncles. Compared with non‐orphans, they were significantly less likely to be in school but those who did attend school had similar arithmetic scores. Significantly more orphans went to bed hungry. Orphans had markedly increased internalizing problems compared with non‐orphans (p < 0.0001) and 34% reported they had contemplated suicide in the past year. Multiple regression analysis indicated that the independent predictors of internalizing problem scores were sex (females higher than males), going to bed hungry, no reward for good behaviour, not currently attending school, as well as being an orphan. Conclusion: The orphans not only had unmet basic needs, but also had markedly increased internalizing problems, thus their long‐term mental health would be in jeopardy. There is an urgent need to expand and improve current intervention programmes not only to meet the basic needs but also to include psychosocial support, counselling services for the orphans, and training for their carers and teachers.

The orphans not only had unmet basic needs, but also had markedly increased internalizing problems, thus their long-term mental health would be in jeopardy. There is an urgent need to expand and improve current intervention programmes not only to meet the basic needs but also to include psychosocial support, counselling services for the orphans, and training for their carers and teachers.

SummaryInsecticide-treated mosquito nets have an impact on mortality and morbidity in young children under controlled conditions. When integrated into larger control programs, there is the danger that rates of regular retreatment of the nets with insecticide will drop, greatly limiting their effectiveness as a public health intervention. In Bagamoyo District, Tanzania, rates of retreatment dropped significantly when payment for the insecticide was introduced. A series of neighbourhood (hamlet) meetings were held in all study villages to discuss people's concerns about the insecticide and ways to increase rates of retreatment. Although changes were made in the procedure for retreatment, rates of retreatment remained lower than expected and showed marked variation within as well as between villages. We then conducted unstructured key informant interviews as well as informal discussions in a village with strong variation between different sectors of the village in rates of retreatment. While logistical problems were most frequently cited as reasons not to bring nets for retreatment, political and social divisions within the community provided a better explanation. This is borne out by the low response to rearrangements in logistics which made retreating the nets significantly easier for households, and the higher response when changes were made in the channels of communication as well as the logistic features. It is clearly more difficult for villagers to appreciate the benefits of the insecticide than those of the nets. Great emphasis needs to be placed on the insecticide and its beneficial effects from the outset for any large-scale programme to be sustainable. keywords insecticide-treated bednets, re-treatment, Tanzania correspondence Peter J. Winch,

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