Predicting water consumption habits for seven arsenic-safe water options in Bangladesh

2013
Authors
Tobias, Robert
Mosler, Hans-Joachim
Journal article
Published in
BMC Public Health ; 13 (2013), 1. - 417. - eISSN 1471-2458
Abstract
Background: In Bangladesh, 20 million people are at the risk of developing arsenicosis because of excessive arsenic intake. Despite increased awareness, many of the implemented arsenic-safe water options are not being sufficiently used by the population. This study investigated the role of social-cognitive factors in explaining the habitual use of arsenic-safe water options.

Methods: Eight hundred seventy-two randomly selected households in six arsenic-affected districts of rural Bangladesh, which had access to an arsenic-safe water option, were interviewed using structured face-to-face interviews in November 2009. Habitual use of arsenic-safe water options, severity, vulnerability, affective and instrumental attitudes, injunctive and descriptive norms, self-efficacy, and coping planning were measured. The data were analyzed using multiple linear regressions.

Results: Linear regression revealed that self-efficacy (B = 0.42, SE = .03, p < .001), the instrumental attitude towards the safe water option (B = 0.24, SE = .04, p < .001), the affective attitude towards contaminated tube wells (B = −0.04, SE = .02, p = .024), vulnerability (B = −0.20, SE = .02, p < .001), as well as injunctive (B = 0.08, SE = 0.04, p = .049) and descriptive norms (B = 0.34, SE = .03, p < .001) primarily explained the habitual use of arsenic-safe water options (R2 = 0.688). This model proved highly generalizable to all seven arsenic-safe water options investigated, even though habitual use of single options were predicted on the basis of parameters estimated without these options.

Conclusions. This general model for the habitual use of arsenic-safe water options may prove useful to predict other water consumption habits. Behavior-change interventions are derived from the model to promote the habitual use of arsenic-safe water options.
150 Psychology
Keywords
habitual health behavior,social-cognitive predictors,arsenic-safe drinking water,regression,Bangladesh
Cite This
ISO 690INAUEN, Jennifer, Robert TOBIAS, Hans-Joachim MOSLER, 2013. Predicting water consumption habits for seven arsenic-safe water options in Bangladesh. In: BMC Public Health. 13(1), 417. eISSN 1471-2458. Available under: doi: 10.1186/1471-2458-13-417
BibTex
@article{Inauen2013Predi-27968,
year={2013},
doi={10.1186/1471-2458-13-417},
title={Predicting water consumption habits for seven arsenic-safe water options in Bangladesh},
number={1},
volume={13},
journal={BMC Public Health},
author={Inauen, Jennifer and Tobias, Robert and Mosler, Hans-Joachim},
note={Article Number: 417}
}

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<dcterms:abstract xml:lang="eng">Background: In Bangladesh, 20 million people are at the risk of developing arsenicosis because of excessive arsenic intake. Despite increased awareness, many of the implemented arsenic-safe water options are not being sufficiently used by the population. This study investigated the role of social-cognitive factors in explaining the habitual use of arsenic-safe water options.&lt;br /&gt;&lt;br /&gt;Methods: Eight hundred seventy-two randomly selected households in six arsenic-affected districts of rural Bangladesh, which had access to an arsenic-safe water option, were interviewed using structured face-to-face interviews in November 2009. Habitual use of arsenic-safe water options, severity, vulnerability, affective and instrumental attitudes, injunctive and descriptive norms, self-efficacy, and coping planning were measured. The data were analyzed using multiple linear regressions.&lt;br /&gt;&lt;br /&gt;Results: Linear regression revealed that self-efficacy (B = 0.42, SE = .03, p &lt; .001), the instrumental attitude towards the safe water option (B = 0.24, SE = .04, p &lt; .001), the affective attitude towards contaminated tube wells (B = −0.04, SE = .02, p = .024), vulnerability (B = −0.20, SE = .02, p &lt; .001), as well as injunctive (B = 0.08, SE = 0.04, p = .049) and descriptive norms (B = 0.34, SE = .03, p &lt; .001) primarily explained the habitual use of arsenic-safe water options (R&lt;sup&gt;2&lt;/sup&gt; = 0.688). This model proved highly generalizable to all seven arsenic-safe water options investigated, even though habitual use of single options were predicted on the basis of parameters estimated without these options.&lt;br /&gt;&lt;br /&gt;Conclusions. This general model for the habitual use of arsenic-safe water options may prove useful to predict other water consumption habits. Behavior-change interventions are derived from the model to promote the habitual use of arsenic-safe water options.</dcterms:abstract>
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