Ochiai Yuko, Otsuka Yasumasa
Graduate School of Comprehensive Human Sciences, University of Tsukuba, Japan.
Institute of Human Sciences, University of Tsukuba, Japan.
Ind Health. 2025 Jan 24;63(1):40-52. doi: 10.2486/indhealth.2023-0005. Epub 2024 May 23.
This study aimed to investigate the validity and reliability of the Japanese version of the Overwork Climate Scale. Japanese workers were invited to participate in online surveys at baseline and 1-month follow-up. The Overwork Climate Scale was translated into Japanese, according to international guidelines. Reliability was assessed using Cronbach's alpha and the intra-class correlation coefficient (ICC), while structural validity was evaluated through confirmatory factor analysis (CFA). Psychological job demands, work engagement, psychological safety, and workaholism were assessed for convergent validity. The number of respondents was 302 at baseline and 169 at follow-up. Results indicated robust Cronbach's alpha values of 0.86 (for overwork endorsement) and 0.80 (for lacking overwork reward) at baseline, complemented by ICC of 0.89 and 0.82, respectively. CFA confirmed the suitability of the two-factor model. Moreover, the Japanese Overwork Climate Scale exhibited significant correlations with anticipated constructs. Structural equation modeling revealed a consistent association between overwork climate and both workaholism and work engagement, similar to the original version. In conclusion, the Japanese version of the Overwork Climate Scale demonstrates acceptable levels of reliability and validity, warranting its potential adoption among Japanese workers.
本研究旨在调查日语版过度工作氛围量表的有效性和可靠性。邀请日本员工参与基线和1个月随访时的在线调查。根据国际指南，将过度工作氛围量表翻译成日语。使用克朗巴哈系数（Cronbach's alpha）和组内相关系数（ICC）评估可靠性，同时通过验证性因子分析（CFA）评估结构效度。评估心理工作需求、工作投入、心理安全感和工作狂倾向以检验聚合效度。基线时的受访者为302人，随访时为169人。结果表明，基线时克朗巴哈系数值强劲，过度工作认可项为0.86，缺乏过度工作奖励项为0.80，相应的组内相关系数分别为0.89和0.82。验证性因子分析证实了双因子模型的适用性。此外，日语版过度工作氛围量表与预期结构呈现显著相关性。结构方程模型显示，与原始版本类似，过度工作氛围与工作狂倾向和工作投入之间存在一致关联。总之，日语版过度工作氛围量表展示出了可接受的可靠性和有效性水平，值得在日本员工中推广使用。
