Fig 1.
Age distributions of residents of suspected hotspot areas, adult workers living in other villages, and the general population in American Samoa.
Table 1.
Summary of the representativeness of study participants.
Fig 2.
Population distribution, location of the two suspected hotspot areas, and the elementary school, clinic, and worksite surveyed in the study.
GIS data were provided by the American Samoa GIS user group [22].
Fig 3.
Residential locations of adult workers recruited from pre-employment clinic and tuna cannery (blue circles).
GIS data were provided by the American Samoa GIS user group [22].
Table 2.
Summary of antigen results for residents of suspected hotspot areas and adult workers living in other villages.
Fig 4.
Age distribution of antigen-positive and microfilaraemic individuals (from all survey locations).
Fig 5.
Age-adjusted seroprevalence of antigen (ICT and/or Og4C3 Ag >32 units), Bm14 Ab, and Wb123 Ab in adult residents of suspected hotspot areas and adult workers who lived in other villages.
Fig 6.
Age-adjusted seroprevalence of antigen (ICT and/or Og4C3 Ag >32 units), Bm14 Ab, and Wb123 Ab in child residents (aged 2–14 years) of suspected hotspot areas.
Table 3.
Odds ratios for presence of serological markers for adult residents of hotspot villages compared to adult workers living in other villages (adjusted for age).