Nursing Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
Department of Nursing, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran.
BMC Public Health. 2023 Oct 25;23(1):2098. doi: 10.1186/s12889-023-17028-1.
To determine the health needs and promote women's health, their quality of life should be investigated. For this purpose, a valid tool is needed, that has credible validity and reliability, and its concepts are clearly defined and culturally appropriate. This study aimed to develop and assess the psychometric properties of "Iranian Women's Quality of Life Instrument (IWQOLI)".
The items of "IWQOLI" were generated from themes extracted (150 items) from a content analysis approach with the participation of 40 women. Face validity of the questionnaire with the participation of 10 women and content validity by 10 experts was approved. To determine the domains of the questionnaire, exploratory factor analysis (principal component extraction method) was performed. Internal consistency and test-retest reliability methods with 14-day intervals (30 women) were used to assess the reliability of WQOLI.
After performing the face and content validity, 32 items were deleted. S-CVI/Ave was obtained for the instrument (0.93). The factor structure of the inventory was identified by undertaking a principal component analysis in a sample of 590 women. Five factors were extracted with a total variance account of 56.24% and 28 items dropped at this point. The IWQOLI score was significantly correlated with the SF-36 (r = 0.717, p < 0.001). Reliability was demonstrated with Cronbach's alpha coefficient of 0.919 for the entire scale (90-item). Consistency of the instrument was established with test-retest reliability with an interval of 2 weeks (intra-cluster correlation = 0.889, P < 0.001).
The Iranian women's Quality of life Instrument "IWQOLI", consisting of 90 items representing 5 domains (sense of peace in life, sense of security, health responsibility, pleasant communication, received comprehensive support), demonstrated excellent psychometric properties, so it may be used for measuring women's QOL in practical research.
为了确定健康需求并促进妇女健康，应该调查她们的生活质量。为此，需要一种有效的工具，该工具具有可信的有效性和可靠性，其概念定义明确且具有文化适宜性。本研究旨在开发和评估“伊朗妇女生活质量工具（IWQOLI）”的心理测量特性。
通过参与 40 名妇女的内容分析方法，从主题中提取出“IWQOLI”的项目（150 项）。问卷的表面效度由 10 名妇女参与确认，内容效度由 10 名专家确认。为了确定问卷的领域，采用探索性因子分析（主成分提取方法）。使用内部一致性和测试-重测信度方法（间隔 14 天；30 名妇女）评估 WQOLI 的可靠性。
在进行表面和内容效度后，删除了 32 个项目。该仪器的 S-CVI/Ave 为 0.93。在 590 名妇女的样本中进行主成分分析，确定了清单的因子结构。提取了 5 个因子，总方差占 56.24%，此时删除了 28 个项目。IWQOLI 评分与 SF-36 显著相关（r=0.717，p<0.001）。整个量表（90 项）的 Cronbach's alpha 系数为 0.919，证明了可靠性。通过 2 周间隔的测试-重测信度（组内相关系数=0.889，P<0.001）建立了仪器的一致性。
由 90 个项目组成的伊朗妇女生活质量工具“IWQOLI”代表 5 个领域（生活中的平静感、安全感、健康责任感、愉快的沟通、全面支持），具有良好的心理测量特性，因此可用于实际研究中测量妇女的生活质量。
