Findings
Description of Studies
Across the 36 articles selected for inclusion, the number of participants in each study ranged
from 14 to 702 for a total of 3799 (Table 1). Participants were mostly women (71.97%). Seven
studies conducted in countries outside of the USA reported the lowest proportion of women,
with a range between 0 and 50% women. Because many of the studies were international, the
country of origin was emphasized to recognize the potential generalizability of the research
across a variety of geographic-bound populations. Some of the authors reported results from
the same study in more than one article and were not duplicated in the table.