Development of insulin delivery system questionnaire in Japanese (IDSQ-J) and reproducibility and adequacy assessment

Hitoshi Ishii, Satoru Tsujii, Masami Tanaka, Miyuki Furuya, Tadao Iburi, Rei Ueda, Sakura Okuyama, Risa P. Hayes, Masato Okamura, Kazuya Iwamoto, Eisei Oda

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We developed an insulin delivery system questionnaire in Japanese (IDSQ-J) to measure the impact of insulin delivery systems including insulin and its devices, on patient quality of life. The IDSQ-J consists of 4 groups of 18 questions answered by patients. Factor analysis with 16 items excluding 2 questions with low commonality, yielded 4 subscales-satisfaction, ease of use, lifestyle impact, and blood glucose control. Subscale scores proved highly reliable. Validity was confirmed by checking the correlation between IDSQ-J subscale scores and the Diabetes Treatment Satisfaction Questionnaire (DTSQ) or Insulin Therapy Attitude Questionnaire. In conclusion, we found that the IDSQ-J is a reliable and valid rating scale for evaluating insulin delivery systems from the patient's standpoint.

Original languageEnglish
Pages (from-to)209-221
Number of pages13
JournalJournal of the Japan Diabetes Society
Volume52
Issue number3
Publication statusPublished - 2009 Aug 5
Externally publishedYes

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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