Screening and Interventions for Obesity in Adults: Summary of the Evidence for the U.S. Preventive Services Task Force

Figure 2. Only studies for which the difference in mean weight loss could be calculated are included; each arm is represented
by a data point. Error bars represent 95% CIs and are presented for studies in which those data were available. Intensity
of co-interventions was not assessed because most trials provided insufficient information for evaluation. An asterisk indicates
that the difference was statistically significant ( < 0.05) but there were insufficient data to calculate CIs. B = behavioral
therapy; BID = twice daily; D = diet; E = exercise; QD = daily; TID = 3 times daily.
Differences in mean weight loss between intervention and control groups for pharmacotherapy interventions.P
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Ann Intern Med
December 2, 2003
vol. 139
no. 11
933-949