![]() ![]() The knowledge-practice gap is more narrow for handwashing than for treatment of drinking water and sanitation. ![]() 6 In India, a handwashing awareness-raising campaign, the Great WASH Yatra, increased knowledge about the benefits of handwashing, but had little effect on changing intention to wash hands with soap. ![]() Improving handwashing knowledge alone is typically insufficient to change handwashing behavior. Find more information on the Handwashing Think Tank here. 5 This study was presented at the PPPHW’s 2016 Handwashing Think Tank. The proportion remained at 74% at 2 and 6 weeks post-completion follow-up visits. 5 An intervention study in two primary schools in rural Bangladesh showed that the proportion of handwashing after latrine use among students increased from 4% at baseline (no intervention), to 18% after adding handwashing infrastructure, then to 58% after adding the footpaths, and then to 68% after adding the footpath and handprints. Non-verbal environmental cues are effective at changing behavior without using traditional methods of behavior change communication. The probability of handwashing during the experiment was lowest in control (18%), followed by visual cues (40%), auditory cues (40%), and odor (73%). 4 An experiment on handwashing in a food service setting involved 80 Hispanic/Latino participants performing prospective memory while one of the four following handwashing cues was present: 1) disgusting image (visual cues) 2) disgusting sound (auditory cues) 3) disgusting odor (olfactory cues) 4) regular handwashing posters/controls. 1 Cuesĭisgust-based cues, particularly olfactory cues, were more effective at increasing handwashing behavior than conventional reminder posters. The cost for mass production of the Povu Poa system is estimated at $12 per unit, and can pay for itself in 1 year based on savings on the costs of water and soap. Povu Poa only used 357 mL of water and $0.10 of soap per wash, compared to 513 mL of water and $0.20 of soap per wash for conventional jug and basin with bar soap and 1429 mL of water and $0.47 of soap per wash for conventional sink and metal tap with bar soap. Researchers developed Povu Poa (“Cool Foam” in Swahili) that included a wooden frame, a rinse water container with water-frugal tap, a container of soapy water (a 50:1 water-to-powdered-soap mixture) with foaming soap dispenser (“soap foamer”), and a runoff collection bucket at the bottom of the frame. In Kenya, a new handwashing system was field-tested and found to improve water and soap efficiency. Behavior ChangeĮvidence increasingly demonstrates that cues and emotional drivers can impact handwashing behavior change. Handwashing Research Summary: What we learned about handwashing in the first half of 2016īetween January and June 2016, 32 relevant peer-reviewed studies on handwashing were identified. What we learned about handwashing in 2014: A summary.The State of Handwashing in 2015: Annual Research Summary.The State of Handwashing in 2016: Annual Review.Previous research summaries are available in the resources section of our website, including: Home // Learn Latest Research We summarize the latest handwashing research from peer-reviewed and grey literature publications, and extract new knowledge and practical guidance for implementers. ![]()
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