期刊
INTERNATIONAL JOURNAL OF HYGIENE AND ENVIRONMENTAL HEALTH
卷 240, 期 -, 页码 -出版社
ELSEVIER GMBH
DOI: 10.1016/j.ijheh.2022.113922
关键词
Global health; Measurement; Reliability; Water insecurity; West Africa
资金
- Household Water Insecurity Experiences Research Coordination Network (HWISE RCN) (National Science Foundation Award) [BCS-1759972]
- Office of the Vice Provost for Research at the University of Miami
This research tested the Household Water Insecurity Experiences (HWISE) scale in a peri-urban community in Accra, Ghana, and found that the metric was not equivalent across two survey waves, potentially due to factors such as the metric itself, sample size, instrumentation changes, or other unobserved factors. The dynamic nature of household water use may also make test-retest reliability difficult to achieve.
The mitigation of household water insecurity is recognized as an important component of global poverty alleviation, but until recently was difficult to measure. Several new metrics of household water insecurity have been proposed and validated, but few have been field-tested for reliability in diverse contexts. We used confirmatory factor analysis to test the psychometric equivalence of one such metric-the Household Water Insecurity Experiences (HWISE) scale-across two survey waves administered 18 months apart in similar climatic conditions among households in a peri-urban community outside of Accra, Ghana. The HWISE metric was not equivalent across survey waves, which may be attributable to the metric itself, sample size, subtle instrumentation changes, or other unobserved factors. Test-retest reliability may also be difficult to achieve given the dynamic nature of household water use, and we discuss the implications of using household water insecurity metrics as longitudinal measures of well-being in global anti-poverty programs.
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