<qa>  What is the second phase of the intervention?In the second phase, depressed participants are randomly assigned to receive either intervention treatment or usual care for 18 months. The intervention consists of periodic telephone contact with a mental health clinician who provides education regarding depression and its treatment. Participants receiving the intervention are also provided with resources to obtain psychotherapy andor pharmacotherapy. Those who do not seek treatment are monitored and supported. Participants in the usual care arm are informed of their possible depression and are encouraged to seek professional treatment. 