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Development and Validation of the Japanese Version of the Individualized Care Scale-Nurse (JICS-Nurse)
Aki Takahashi1, Yukie Iwasa1, Riitta Suhonen2
1Tokushima University Graduate School of Health Science.
Background:
Individualized nursing care is essential for patient-centered practice, yet few validated instruments exist in Japan for assessment from the nurse's perspective.
Purpose:
This study aimed to develop and validate the Japanese version of the Individualized Care Scale-Nurse (JICS-Nurse) in acute care hospitals.
Methods:
A cross-sectional survey was conducted with nurses and midwives in Japan. Item analysis, exploratory and confirmatory factor analyses were performed. Internal consistency was assessed with Cronbach's alpha, test-retest reliability with Pearson's correlations and intraclass correlation coefficients (ICC), and concurrent validity with correlations to the Self-assessment Scale for Nursing Practice for Person-Centered Care (SSNP-PCC).
Results:
Valid responses from 536 of 705 invited participants were analyzed. A three-factor structure consistent with the original version was supported. CFA showed good fit for JICS-A and an overall acceptable fit for JICS-B, Internal consistency was high (α=.94), while test-retest reliability was moderate (ICC=.54 for JICS-A, .51 for JICS-B). Strong correlations with SSNP-PCC supported concurrent validity (r=.78 and r=.72;p<.001).
Conclusions:
The JICS-Nurse demonstrated reliability and validity and may be a useful tool for assessing individualized nursing care in Japanese acute care hospitals. J. Med. Invest. 73 : 121-128, February, 2026.
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