Evaluation of the Diabetes Self-Care Scale.

The purpose of this study was to evaluate the psychometric properties of the Diabetes Self-Care Scale (DSCS). A convenience sample of 175 adults with diabetes who met the inclusion criteria from a local hospital in southern Louisiana participated in this study. Data from a pilot study with 50 respondents were also used to calibrate the instrument.

Evaluation of the diabetes self care scale: an illustration of the Rasch model of measurement.

This pilot study illustrates the use of a Rasch measurement model to evaluate the psychometric properties of the Diabetes Self Care Scale (DSCS). A convenience sample of 50 adults with diabetes at two local hospitals (one for profit and one public) in southern Louisiana responded to the survey questions. The instrument is comprised of 27 items and 6 rating categories.