Table 1 Summary of data collected for baseline and follow-up periods from health centre records in intervention and control districts

Items of data (numbers of new cases) collected and used for measuring changes in morbidity and mortality:

• Dysentery/diarrhoea in adults and in children aged 5–19 years (any cases recorded as diarrhoea with dehydration, diarrhoea no dehydration or diarrhoea bloody (dysentery))

• Food poisoning in adults and in children aged 5–19 years (any cases recorded as food poisoning)

• Worms/parasites in adults and in children aged 5–19 years (any cases recorded as schistosomiasis, Ascaris lumbricoides, Trichuris trichiura, hookworm, Entamoeba, Giardia or Taenia)

• Dysentery/diarrhoea in infants aged 0–4 years (cases recorded as diarrhoea with severe dehydration, diarrhoea with evident signs of dehydration, diarrhoea no dehydration, diarrhoea bloody (dysentery), persistent diarrhoea or severe persistent diarrhoea)

• Any deaths recorded for adults, children or infants, with diarrhoea or dysentery given as the cause

• Any deaths recorded for adults, children or infants, with food poisoning recorded as the cause