The independent and dependent variables were further categorized into groups for analysis.
Children who were not on ART were further categorized by eligibility for ART, as defined by the 2006 WHO treatment guidelines [ 21].
The 1,642 TSSs found in the 5′-UTRs of annotated genes were further categorized into transcripts for which only one or several TSSs could be determined, thus resulting in a set of 986 single TSSs and a set of 656 multiple TSSs, originating from 283 genes.
Tumor samples with more than 60% of stained cells (the median percentage of stained cells in only positive cases) were further categorized as highly expressed for the association with Amp13q34.
In addition on a second examination of the documents, for the documents judged relevant, she further categorized the documents as relevant for: a) the methodology, b) relation to her specific research question, or c) for her bibliography.
In addition to quintile categorization, BMI and blood pressure variables were further categorized according to World Health Organization (WHO) criteria for obesity [ 25] and European Society of Hypertension (ESH) and European Society of Cardiology (ESC) criteria for hypertension [ 26].
These functions have been further categorized as (1) "selecting submissions for publication" and "rejecting those with irrelevant, trivial, weak, misleading, or potentially harmful content," and "(2) improving the clarity, transparency, accuracy, and utility of the selected submissions".
Each group was further categorized into the five themes (three for Recruitment and Retention and two for Education).
