Yakar Hatice Karabuga, Pinar Rukiye
Anadolu Medical Center, Gebze, Turkey.
Asian Pac J Cancer Prev. 2013;14(7):4415-9. doi: 10.7314/apjcp.2013.14.7.4415.
Measuring effects of cancer on family caregivers is important to develop methods which can improve their quality of life (QOL) . Nevertheless, up to now, only a few tools have been developed to be used in this group. Among those, the Caregiver Quality of Life Index-Cancer Scale (CQOLC) has met minimum psychometric criteria in different populations in spite of conflicting results. The present study was conducted to evaluate reliability and validity of CQOLC among Turkish cancer family caregivers.
The CQOLC was administered to 120 caregivers, along with Beck Depression Inventory (BDI), Medical Outcomes Study MOS 36- Item Short Form Health Survey (SF-36), State-Trait Anxiety Inventory (STAI), and Multidimensional Scale of Perceived Social Support (MSPSS). Internal consistency and test-retest stability were used to investigate reliability. Construct validity was examined by using known group method, convergent, and divergent validity. For the known group method, we hypothesized that CQOLC scores would differ between depressed and non-depressed subjects. We investigated convergent validity by correlating scores for CQOLC with scores for other similar measures including SF-36 and STAI. The MSPSS was completed at the same time as CQOLC to provide divergent validity.
The values for internal consistency and test-retest correlation were 0.88 and 0.96, respectively. The CQOLC discriminated those who were depressed from those who were not. Convergent validity supported strong correlations between CQOLC scores and two main component scores (PCS, MCS) in SF-36 although there was a weak correlation between CQOLC and STAI scores. Regarding divergent validity, the correlation between CQOLC and MSPSS was in the low range, as expected.
The Turkish CQOLC is a reliable and valid tool and it can be utilized to determine QOL of family caregivers.
评估癌症对家庭照顾者的影响对于开发能够改善其生活质量（QOL）的方法至关重要。然而，到目前为止，仅开发了少数几种工具用于该群体。其中，照顾者生活质量指数-癌症量表（CQOLC）尽管结果存在冲突，但在不同人群中已达到最低心理测量标准。本研究旨在评估土耳其癌症家庭照顾者中CQOLC的信度和效度。
对120名照顾者进行CQOLC测试，同时还进行贝克抑郁量表（BDI）、医学结局研究简明健康调查36项量表（SF-36）、状态-特质焦虑量表（STAI）和领悟社会支持多维量表（MSPSS）。采用内部一致性和重测稳定性来研究信度。通过已知群体法、收敛效度和区分效度来检验结构效度。对于已知群体法，我们假设抑郁和非抑郁受试者的CQOLC得分会有所不同。我们通过将CQOLC得分与其他类似测量指标（包括SF-36和STAI）的得分进行相关性分析来研究收敛效度。与CQOLC同时完成MSPSS以提供区分效度。
内部一致性值和重测相关性分别为0.88和0.96。CQOLC能够区分抑郁者和非抑郁者。收敛效度支持CQOLC得分与SF-36中的两个主要成分得分（PCS、MCS）之间存在强相关性，尽管CQOLC与STAI得分之间的相关性较弱。关于区分效度，正如预期的那样，CQOLC与MSPSS之间的相关性处于低水平。
土耳其语版CQOLC是一种可靠且有效的工具，可用于确定家庭照顾者的生活质量。
