This article reports data on increased work productivity resulting from the employee assistance program (EAP) treatment of employees. Participants (N = 155) had various psychiatric diagnoses and were seen in individual counseling by network clinicians. Measures of "presenteeism," absenteeism, and degree of problem resolution were obtained from members' ratings. The results indicated that 80% of costs associated with lost productivity was associated with presenteeism, with absenteeism accounting

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... for the remainder. Characteristics associated with lost productivity were energy level, concentration, and work quantity/quality. A return on investment (ROl) calculated using these data in a typical EAP