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Recruitment and retention flow diagram. Prior to the three-month follow-up visit, four participants in the high CES-D stratum and three participants in the low CES-D stratum discontinued treatment (n = 3) or were lost to follow-up (n = 4). Similarly, prior to the six-month follow-up visit an additional three participants from the high CES-D stratum discontinued treatment (n = 1) or were lost to follow-up (n = 2).
