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Application of the Chinese version of the 11-item circadian-type inventory (CTI-11) in a working sample

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Abstract

This study revised the Chinese version of 11-item circadian-type inventory (CTI-11) and examined its validity and reliability in textile workers. 3833 workers were recruited to complete the Chinese version of CTI-11. The Composite Scale of Morningness (CSM) was used as the concurrent validity instrument. The exploratory factor analysis revealed that the Chinese version of CTI-11 consists of two factors: flexibility/rigidity (FR) and languid/vigorous (LV). The results of confirmatory factor analysis showed that CTI-11 has a good construct validity. Measurement invariance test indicated that the factor structure of CTI-11 is quite stable across gender and work shifts. FR and LV are significantly correlated with CSM, and LV can significantly predict insomnia. The Cronbach’s alpha coefficient of the two subscales were satisfactory. These findings indicated satisfactory psychometric properties of the Chinese version of CTI-11 in a working sample, with the implication that this scale is potentially a reliable assessment tool on individuals’ adaptability to shift work.

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Acknowledgements

The authors would like to extend our sincere gratitude to all the workers for their participation in this study. We also thank Mr. Fujie Li (Shandong Xinyue Health Technology company) and Mr. Longlong Zhao (Binzhou Xinyue Rehabilitation Hospital) for their help in the this survey.

Funding

The present study was funded by National Natural Science Foundation of China (Grant No.31271096, 31900789, 31871129); Research on the Processes and Repair of Psychological Trauma in Youth, Project of Key Institute of Humanities and Social Sciences, MOE (Grant No.16JJD190001); Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme (GDUPS 2016); and Graduate Research and Innovation Project of School of Psychology, South China Normal University (PSY-SCNU202017).

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Authors and Affiliations

  1. School of Psychology, Center for Studies of Psychological Application, and Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou, China

    Dongfang Wang, Dingxuan Chen, Zhiyi Zhu, Xiuzhu Zhou, Dongjing Meng & Fang Fan

  2. Key Laboratory of Brain, Cognition and Education Sciences, Ministry of Education, South China Normal University, Guangzhou, China

    Dongfang Wang, Dingxuan Chen, Zhiyi Zhu, Xiuzhu Zhou, Dongjing Meng & Fang Fan

  3. Department of Psychology, University of Bath, Bath, UK

    Huilin Chen

  4. Center for Public Health Initiatives, University of Pennsylvania, Philadelphia, PA, USA

    Xianchen Liu

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  1. Dongfang Wang
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  2. Huilin Chen
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  3. Dingxuan Chen
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  4. Zhiyi Zhu
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  5. Xiuzhu Zhou
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  7. Fang Fan
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  8. Xianchen Liu
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Correspondence to Fang Fan.

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The study was approved by the Ethics Committees of South China Normal University (Ethics_No._SCNU-PSY-374).

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Wang, D., Chen, H., Chen, D. et al. Application of the Chinese version of the 11-item circadian-type inventory (CTI-11) in a working sample. Sleep Biol. Rhythms 19, 443–451 (2021). https://doi.org/10.1007/s41105-021-00334-9

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  • DOI: https://doi.org/10.1007/s41105-021-00334-9

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