Figure 1.

CONSORT Flow Diagram

^a Some participants had multiple reasons for ineligibility.

^b Telephone-delivered cognitive behavioral therapy (CBT-T) could be completed with between 9 and 11 sessions. Telephone-delivered nondirective supportive therapy (NST-T) required 10 sessions to be complete.

^c Prespecified primary analysis used all participants with any follow-up data at 2 or 4 months’ follow-up. Those excluded from the prespecified primary analysis did not have any follow-up information. Sensitivity analyses using multiple imputation also were performed to include all participants.

^d There were 10 total participants missing either the Penn State Worry Questionnaire–Abbreviated (PSWQ-A) or Hamilton Anxiety Rating Scale (HAMA): 2 with the following health problems, 2 indicated they did not have the time, 4 completed the PSWQ-A but not HAMA, and 2 with unknown or other reasons (6 of these participants withdrew consent after providing month 2 data).

^e Two participants cited self or family health problems, 1 participant cited that he or she did not like randomized therapy, and 1 participant had an unknown reason.

^f One participant cited health problems and withdrew consent after providing 2-months’ follow-up data.

^g Two participants cited personal or family health problems and 2 had unknown reasons (2 participants withdrew consent after providing 2-month follow-up data).

^h Two participants cited health problems.