Cited by 68Food Security and Health in Diverse PopulationsChild Nutrition and Water AccessWater Resource Management and Quality

A novel household water insecurity scale: Procedures and psychometric analysis among postpartum women in western Kenya.

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Boateng, Godfred O., Collins, Shalean M., Mbullo, Patrick, Wekesa, Pauline, Onono, Maricianah, Neilands, Torsten B., Young, Sera L.·2018·PLoS ONE

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Abstract

Our ability to measure household-level food insecurity has revealed its critical role in a range of physical, psychosocial, and health outcomes. Currently, there is no analogous, standardized instrument for quantifying household-level water insecurity, which prevents us from understanding both its prevalence and consequences. Therefore, our objectives were to develop and validate a household water insecurity scale appropriate for use in our cohort in western Kenya. We used a range of qualitative techniques to develop a preliminary set of 29 household water insecurity questions and administered those questions at 15 and 18 months postpartum, concurrent with a suite of other survey modules. These data were complemented by data on quantity of water used and stored, and microbiological quality. Inter-item and item-total correlations were performed to reduce scale items to 20. Exploratory factor and parallel analyses were used to determine the latent factor structure; a unidimensional scale was hypothesized and tested using confirmatory factor and bifactor analyses, along with multiple statistical fit indices. Reliability was assessed using Cronbach's alpha and the coefficient of stability, which produced a coefficient alpha of 0.97 at 15 and 18 months postpartum and a coefficient of stability of 0.62. Predictive, convergent and discriminant validity of the final household water insecurity scale were supported based on relationships with food insecurity, perceived stress, per capita household water use, and time and money spent acquiring water. The resultant scale is a valid and reliable instrument. It can be used in this setting to test a range of hypotheses about the role of household water insecurity in numerous physical and psychosocial health outcomes, to identify the households most vulnerable to water insecurity, and to evaluate the effects of water-related interventions. To extend its applicability, we encourage efforts to develop a cross-culturally valid scale using robust qualitative and quantitative techniques.

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  • When women lacked control over income and assets, they had limited decision-making power over improving or accessing water sources; constrained finances limited women's access to preferred water sources, desired water quantity, and water treatment methods.

    “When women lacked control over income and assets, they had limited decision-making power over improving or accessing water sources [65,76,86,118,123,194,199,201,258,292].Constrained finances limited women's access to preferred water sources, [64,86,111,158,170,194,[197][198][199] desired water quantity, [86,192] and water treatment methods [86,111,118,204,293].”

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  1. [61]Muthén LK, Muthén BO. Mplus User’s Guide. Seventh Edition; 1998–2015.
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Authors
Boateng, G. O., Collins, S. M., Mbullo, P., Wekesa, P., Onono, M., Neilands, T. B., & Young, S. L.
Affiliations
  • Northwestern University (US)
  • Kenya Medical Research Institute (KE)
  • University of California, San Francisco (US)
Corresponding author
Young, Sera L.
Venue
PLoS ONE
Published
2018-06-08
Volume
13
Issue
6
Pages
e0198591
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2950779150
Cited by
68
References
101
Citations by year
2026: 7 · 2025: 4 · 2024: 3 · 2023: 5 · 2022: 5 · 2021: 19 · 2020: 14 · 2019: 8 · 2018: 3
FWCI
16.80
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
  • National Institute of Mental Health (R21-MH108444, K01MH098902)
  • Competitive Research Grants to Develop Innovative Methods and Metrics for Agriculture and Nutrition (IMMANA)
Topics
  • Health Sciences › Health Professions › General Health Professions › Food Security and Health in Diverse Populations
  • Health Sciences › Nursing › Nutrition and Dietetics › Child Nutrition and Water Access
  • Physical Sciences › Environmental Science › Water Science and Technology › Water Resource Management and Quality
Keywords
household water insecurity, scale development, psychometric validation, postpartum women, food insecurity, perceived stress, household water use, microbiological water quality, Western Kenya
MeSH terms
Adult, Female, Humans, Kenya, Psychometrics, Water Supply, Reproducibility of Results, Cohort Studies, Postpartum Period, Young Adult, Drinking Water

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