Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research
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Several instruments are available to evaluate barriers to self-care in people with type 2 diabetes, but with significant psychometric weaknesses and poor theoretical background. ⋯ A theory-driven instrument is suitable for its use with Spanish people with type 2 diabetes to assess their self-care needs and make tailored recommendations for lifestyle modifications on the basis of their behavioral determinants.