The American journal of managed care
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To identify the resource use and costs associated with the diagnosis of common problems in primary care practice and to investigate the influence of physician characteristics, practice organization, and financial incentives on physician behavior. ⋯ Multispecialty group practice and compensation by salary consistently predict lower costs for evaluation of common problems in primary care practice. Financial incentives such as capitation, withholds, and bonuses were not associated with an effect on costs of diagnostic evaluation.