Before getting into some of the specific aspects of the study, some relevant background information provided by study co-author Lawrence Sanders, PhD, professor of management science and systems in the UB School of Management.

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Most of the men and women in the study came from a similar background, meaning the results may not apply to everyone.

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The second study, ORAL-STEP, also with background methotrexate, gave the ACR-20 scores but not the ACR50 or ACR70 scores that are more important to clinicians.

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The study also looked at variables associated with the various outcomes, relevant to questions 1 through 4, concerning the student background in terms of family and socio-economic background.

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