Chongwo Esther, Ssewanyana Derrick, Nasambu Carophine, Mwangala Patrick N, Mwangi Paul M, Nyongesa Moses K, Newton Charles R, Abubakar Amina
1Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute (KEMRI), P.O Box 230, Kilifi, Kenya.
2Utrecht Centre for Child and Adolescent Studies, Utrecht University, P.O Box 80140, 3508 TC Utrecht, The Netherlands.
Glob Health Res Policy. 2018 Sep 10;3:26. doi: 10.1186/s41256-018-0081-z. eCollection 2018.
The purpose of this study was to evaluate the psychometric properties of the World Health Organization's five item well-being index (WHO-5) when administered to adults living with HIV or epilepsy in a rural setting at the coast of Kenya.
A case control study design was conducted among 230 adults aged 18-50 years, who comprised 147 cases (63 living with epilepsy and 84 living with HIV) and 83 healthy controls. The participants were administered to a face-to-face interview during which they completed the Swahili version of WHO-5 well-being index, the Major Depression Inventory (MDI) and responded to some items on their socio-demographic characteristics. Analysis to assess internal consistency, construct validity, discriminant validity, and convergent validity of the Swahili version of WHO-5 well-being index was conducted. A multivariate regression was carried out to assess the association between psychological wellbeing (assessed using Swahili version of WHO-5 well-being index) and having a chronic illness (HIV or epilepsy).
The Swahili version of WHO-5 well-being index demonstrated good internal consistency with Cronbach alpha ranges of 0.86-0.88 among the three study groups. The tool had good discriminant validity. A one factor structure of the tool was obtained from confirmatory factor analysis (overall Comparative Fit Index = 1.00, Tuckler Lewis Index = 1.01, Root Mean Square of Error Approximation = 0.00). Living with HIV or epilepsy in comparison to being a healthy control was significantly associated with greater odds of having sub-optimal psychological wellbeing.
Our findings demonstrate that the Swahili version of WHO-5 well-being index has good psychometric properties and is appropriate for use to evaluate psychological well-being among adults living with chronic conditions such as HIV or epilepsy from a rural low resource setting in Kenya. Given its brevity and ease of use, the Swahili version of WHO-5 well-being index could potentially be used by lay workers and other paraprofessional to monitor psychological well-being among chronically ill adults in resource poor settings.
本研究旨在评估世界卫生组织五项幸福指数（WHO-5）在肯尼亚沿海农村地区对感染艾滋病毒或患有癫痫的成年人进行测试时的心理测量特性。
对230名年龄在18至50岁之间的成年人进行了病例对照研究设计，其中包括147例病例（63例患有癫痫，84例感染艾滋病毒）和83名健康对照者。参与者接受了面对面访谈，在此期间他们完成了斯瓦希里语版的WHO-5幸福指数、重度抑郁量表（MDI），并回答了一些关于其社会人口特征的问题。对斯瓦希里语版WHO-5幸福指数的内部一致性、结构效度、区分效度和收敛效度进行了分析评估。进行了多变量回归分析，以评估心理健康（使用斯瓦希里语版WHO-5幸福指数进行评估）与患有慢性病（艾滋病毒或癫痫）之间的关联。
斯瓦希里语版WHO-5幸福指数在三个研究组中的内部一致性良好，Cronbach's alpha系数范围为0.86至0.88。该工具具有良好的区分效度。通过验证性因素分析获得了该工具的单因素结构（总体比较拟合指数=1.00，塔克勒-刘易斯指数=1.01，误差近似均方根=0.00）。与健康对照者相比，感染艾滋病毒或患有癫痫与心理健康欠佳的几率显著相关。
我们的研究结果表明，斯瓦希里语版WHO-5幸福指数具有良好的心理测量特性，适用于评估肯尼亚农村资源匮乏地区感染艾滋病毒或患有癫痫等慢性病的成年人的心理健康状况。鉴于其简洁性和易用性，斯瓦希里语版WHO-5幸福指数可能会被非专业工作人员和其他辅助专业人员用于监测资源匮乏地区慢性病成年人的心理健康状况。
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