1 HIV and AIDS in Nairobi Urban Informal Settlements Nyovani Madise, Matilu Mwau, John Kebaso, Abdallah Ziraba, Samoel Khamadi, Vincent Okoth
2 Objectives To assess feasibility of conducting community-based HIV testing in informal urban settlements. Magnitude of HIV problem in slums and how it varies by age, sex, sexual behaviour, socio-economic status etc
3 Process Ethical clearance (January-May 06) Community mobilization (April- August 06) Drawing of random sample Pilot (Sept - Dec 2006) Main study (from January 07)
4 Methods Simple random sample of 800 men and women for pilot DSS framework, women 15-49; men years Additional 3,400 men and women (ratio of 40% men and 60% women) for main study. Allowed for non-response & attrition (50% larger sample).
5 Results: Lessons from Pilot 66% of 800 were contacted 53% bled - 80% of those contacted 10% refused to give blood, but interviewed 10% refused both
6 Results: Lessons from Pilot 11% out of 800 not traced but believed to be in the area 15% had out-migrated 1.3% had died 4% temporarily away
7 Pilot Results: Characteristics of acceptors Age Sampled % (N=800) Contacted % (N=529) Bled % (N=423)
8 Pilot Results: Characteristics of acceptors Sex % Sampled (N=800) % Contacte d (N=529) % Bled (N=423) Male Female Total100
9 Main Study- Preliminary Results Korogocho 32% males bled (sampled has 36%) Viwandani 27% males bled (sample has 40%) Age differences between sample & those bled are small
10 HIV Prevalence (%) by Sex Korogocho Slum, (N=1304) Viwandani Slum, 2007 (N=620) Both slums Nairobi, 2003 KDHS N=667 Males Femal es Total
11 HIV Prevalence (%) by Age
12 HIV Prevalence (%) by Ethnicity Ethnicity KorogochoViwandaniNairobi Kamba16812 Kikuyu10117 Luhya1587 Luo Other11106
13 Concluding Remarks Male and female prevalence rates similar Higher HIV prevalence among older people in Korogocho (especially men) Ethnic differences; influence of other kin?
14 Acknowledgement DSS Community members Fieldworkers and Phlebotomists The Rockefeller Foundation Colleagues from Africa Centre and Kisumu DSS sites