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nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 260 (xsd:integer)
nif:isString
  • All descriptive (Proc surveymeans and Proc surveyfreq) and associational (Proc surveylogistic) analyses were carried out using the survey data analysis procedures in SAS 9.4 and incorporated information about multi-stage sampling and relevant sampling weights.
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rdf:type