Secondary Study Characteristics
Slightly over half (n 18) of the trials reported enrollment
rates. In these trials, the median proportion of eligible subjects
enrolled was 76% (range 30%–100%). In the seven CBT
trials that reported enrollment rates, the median was 81%
(range 30%– 87%). All trials reported the proportion of
women, the median being 75% (range 45%–100%). All
trials also reported the average patient age, the median being
43 years (range of average ages 27.0 –50.6 years). Ten trials
(all from the United States) reported on race/ethnicity, with
the median proportion of minority subjects enrolled being
19% (range 10%–37%). In the 16 trials that reported
educational status, the variable ways of reporting years of
schooling made precise pooled estimates difficult. Nonetheless,
the median educational level achieved approximated a
high school education
Secondary Study CharacteristicsSlightly over half (n 18) of the trials reported enrollmentrates. In these trials, the median proportion of eligible subjectsenrolled was 76% (range 30%–100%). In the seven CBTtrials that reported enrollment rates, the median was 81%(range 30%– 87%). All trials reported the proportion ofwomen, the median being 75% (range 45%–100%). Alltrials also reported the average patient age, the median being43 years (range of average ages 27.0 –50.6 years). Ten trials(all from the United States) reported on race/ethnicity, withthe median proportion of minority subjects enrolled being19% (range 10%–37%). In the 16 trials that reportededucational status, the variable ways of reporting years ofschooling made precise pooled estimates difficult. Nonetheless,the median educational level achieved approximated ahigh school education
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