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Using behavior change to reduce child lead exposure in resource-poor settings: a formative study.

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  • 1Department of Health and Human Services, Office of the Assistant Secretary for Planning and Evaluation, Washington, DC 20201, USA, Environment and Health Research Unit, South African Medical Research Council, University of Johannesburg, University of the Witwatersrand, Houghton 2041, South Africa, Faculty of Human Sciences, London South Bank University, London SE1 0AA, UK, Epidemiology and Population Sciences Department, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK and Psychology Department, University of Johannesburg, Johannesburg 2006, South Africa monicafeit@yahoo.com.

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Simple housekeeping changes, like cleaning window sills with soap and water, significantly reduced childhood lead dust in homes. This low-cost approach offers a feasible way to decrease lead exposure in resource-poor settings.

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Area of Science:

  • Environmental Health
  • Public Health
  • Behavioral Science

Background:

  • Childhood lead exposure is a significant public health concern, particularly in resource-poor settings.
  • Existing interventions often require substantial resources, limiting their widespread implementation.
  • Formative research is crucial to identify acceptable and feasible strategies for exposure reduction.

Purpose of the Study:

  • To explore the acceptability and feasibility of modified housekeeping behaviors for reducing childhood lead exposure.
  • To assess the effectiveness of these behaviors in decreasing lead dust levels in homes.
  • To inform the development of sustainable, low-cost interventions.

Main Methods:

  • Utilized the Trials of Improved Practices (TIPs) methodology in Johannesburg, South Africa.
  • Negotiated modified housekeeping behaviors (e.g., window sill cleaning, floor mopping) with participants.
  • Participants implemented chosen behaviors for 4 weeks, followed by interviews and environmental sampling.

Main Results:

  • Participants found cleaning window sills with detergent and water, and increasing frequency, most acceptable and feasible.
  • Environmental samples demonstrated a significant reduction in lead dust on window sills.
  • Mopping with a two-bucket system and increased dusting frequency were also explored.

Conclusions:

  • Modified housekeeping behaviors, particularly focused on window sills, are acceptable and feasible for reducing childhood lead exposure.
  • These findings support the development of low-cost, medium-term interventions in resource-limited environments.
  • Behavioral modifications can serve as a bridge until comprehensive health policies are enacted.