Martínez María Pía, Gallardo Ismael
Universidad de Talca, Talca, Chile.
Rev Med Chil. 2020 Nov;148(11):1568-1576. doi: 10.4067/S0034-98872020001101568.
Health-Related Quality of Life (HRQoL) is understood as a multidimensional variable, mostly measured using the SF-12 questionnaire. However, this measurement doesn't always replicate the factorial structure theoretically expected, hindering potential conclusions.
To assess the reliability and validity of SF-12 questionnaire in a representative sample of Chilean participants.
Information was obtained from the National Quality of Life Survey performed in Chile during 2015-16. During the survey, SF-12 was answered by 7041 participants older than 15 years, with a median age of 47 years (63% women).
SF-12 has reliability, but it does not have construct validity. The analysis suggests that there is a factorial structure that resembles theory, only when factors and items are related.
The practical importance of these results highlight the need to measure HRQoL using more extensive scales.
健康相关生活质量（HRQoL）被视为一个多维变量，大多使用SF - 12问卷进行测量。然而，这种测量并不总是能复制理论上预期的因子结构，从而阻碍了潜在结论的得出。
评估SF - 12问卷在智利代表性样本参与者中的信度和效度。
信息取自2015 - 16年在智利进行的全国生活质量调查。在调查期间，7041名15岁以上的参与者回答了SF - 12问卷，中位年龄为47岁（63%为女性）。
SF - 12具有信度，但不具有结构效度。分析表明，只有当因子与项目相关时，才存在类似于理论的因子结构。
这些结果的实际重要性凸显了使用更广泛量表来测量健康相关生活质量的必要性。
