Table 1:Characteristics of study sites according to levels of healthcare access.
Healthcare Level
Site
Location
Accessibility from City
Healthcare Availability
Level 1
Humpata
Subrban school outside
Lubango*
5-10 minutes drive
Access to city hospitals
Level 2
Kahima
Village 60km southeast of
Lubango
90 minutes drive
Access to rural outreach clinics with
vaccination program, outreaches, on-site
physician and nurse
Tchitunda
Village 60km southeast of
Lubango*
90 minutes drive
Tchicombe
Village 100km south of
Lubango*
120 minutes drive
Level 3
Cavango
250km northeast of
Lubango*
Difficult road access
No local health personnel or medical outreach
programs. Nearest clinic 4 hours drive; nearest
hospital 8 hours drive