Dissemination of Drinking Water Contamination Data to Consumers: A Systematic Review of Impact on Consumer Behaviors
2011

Impact of Water Contamination Data on Consumer Behavior

Sample size: 6 publication 10 minutes Evidence: low

Author Information

Author(s): Lucas Patricia J., Cabral Christie, Colford John M. Jr.

Primary Institution: University of Bristol

Hypothesis

Disseminating water contamination data will improve consumer behaviors regarding water management.

Conclusion

The evidence for the effectiveness of disseminating water contamination data to improve water management behaviors is currently inconclusive.

Supporting Evidence

  • Four studies reported significantly higher rates of source switching among those informed of unsafe wells.
  • One study showed a significant reduction in urinary arsenic levels among those informed of contamination.
  • Knowledge of water safety increased significantly after the intervention in several studies.

Takeaway

When people learn that their drinking water is unsafe, they are more likely to switch to safer sources, but the overall evidence is still unclear.

Methodology

A systematic review of studies where water contamination data was shared with communities at risk.

Potential Biases

Moderate to high risk of bias due to study design and sampling issues.

Limitations

The studies included had high risks of bias and varied designs, making it difficult to draw strong conclusions.

Participant Demographics

Participants were primarily from rural areas in Bangladesh, India, and Kenya, with a focus on households at risk of water contamination.

Statistical Information

P-Value

p<0.01

Confidence Interval

[0.4, 0.46]

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021098

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication