The reliability of our interpretation of the data was further established by drawing on additional data collected from the informal interviews, through observations and from project documentation (see Table 2).
Their responses were checked by medical staff and additional data collected during clinic attendance on educational level, occupational activity, personal and family history, tobacco and alcohol consumption, and physical activity.
Whereas we have briefly described patterns of healthcare utilization in Soweto, the aim of the present article is to further explore the reasons for these findings by the consideration of additional data collected in the health access survey, in a supplementary qualitative sub-study, and with reference to Andersen and Newman's framework of healthcare utilization.
Additional data collected by site included availability of same-day blood collection for CD4 count enumeration, number of days for return of CD4 count results, whether ART-trained staff are on site, and place of initiation of cART (on or off PMTCT site), and location of the PHC (urban or rural).
We found that in addition to demographic characteristics and health services use available in billing data, the additional data collected by Safeway's health plan related to members' self-report of the presence of specific health conditions were of key significance for the final predictive model.
Additional data collected by three coastal fishing vessels operating under different conditions (area and bottom topography), showed that norsel nets fished about the same number of cod and 58% fewer king crab than standard nets.
The European group incorporated its high frequency information - where dust shines most brightly - and the US team added additional data collected by its next-generation instrument in Antarctica called the Keck Array.
Vital information was provided by the additional qualitative data collected from parents and testers.
Today Google confirmed that it had located additional payload data collected by its Street View cars prior to May 2010 and the ICO, which has repeatedly asked Google to delete the extra data, has thrown a few choice words in Google's direction.
