Table 1.
Key information obtained under the Kombewa HDSS programme
| Variable | Information | Frequency |
|---|---|---|
| Compound | Latitude and longitude, unique door number numbers, compound names | Baseline, round |
| Household | Household head name, construction material (floor, roof), mosquito protection, source of drinking water, source of lighting, cooking fuel, household possessions, land tenure, garbage disposal | Round |
| Individuals | Full names, sex, date of birth, marital status, occupation, highest education level attained, relationship to household head, use of ITN the night before update | Every 2 years |
| Residents | Update on residency status (present, dead, out-migrated) update on pregnancy status of women, update on immunization status of children aged 3 years and below | Round |
| Births | Date and place of birth, names and sex of child, mother’s details (names and unique DSS Identification), father’s details (names and unique DSS Identification), vaccination status of child, estimated baby size, assistance at delivery, method of delivery, ANC attendance | Round |
| Deaths | Date of death, broad cause of death, place of death, cause of death ascertained through VA | Round, key informants |
| In-migration | Date of in-migration, type of in-migration (within or outside DSA) names, sex, date of birth of migrant, marital status, highest education level, reason for in-migration, origin of migrant, relation to household head | Round |
| Out-migration | Date and type of out-migration (in or out DSA), destination of migration episode, reason out-migration | Round |
| Pregnancy | Outcome of existing pregnancy, number of children born in lifetime, estimated date of conception, number of months pregnant, use of ITN, use of ITN the night before update, ANC attendance | Round, key informants |
| Morbidity | Malaria illness, diagnosis for malaria (by self or by medical practitioner), drug taken for malaria illness, syndromes (convulsions, diarrhoea, flu/cold, headache, fever, cough, rash, vomit, injuries, unconsciousness) health-seeking behaviour, admissions (within DSS, outside DSS, number of days admitted) | Round |
ITN, nsecticide-treated nets; DSS, Demographic Surveillance System; ANC, antenatal care, VA, verbal autopsy; DSA, Demographic Surveillance Area.