期刊
INTERNATIONAL JOURNAL OF HYGIENE AND ENVIRONMENTAL HEALTH
卷 255, 期 -, 页码 -出版社
ELSEVIER GMBH
DOI: 10.1016/j.ijheh.2023.114288
关键词
Evaluation; Waste and sanitation workers; Occupational health and safety; Use of PPE; COVID-19
An intervention was implemented in Bangladesh during COVID-19 to reduce occupational health risks for waste and sanitation workers. The intervention involved training and distribution of personal protective equipment (PPE). The study found that the intervention improved workers' knowledge, attitude, and practice regarding PPE usage.
Waste and sanitation workers in South-Asian countries are vulnerable to injuries and diseases, including COVID19. In Bangladesh, an intervention was implemented during COVID-19 to lower these workers' occupational health risks through training and PPE distribution. We assessed how the intervention affected their occupational health behaviors using a randomized cluster trial in 10 Bangladeshi cities, including seven intervention and three control areas. We conducted 499 surveys (Control-152, Intervention-347) and 47 structured observations (Control:15, Intervention:32) at baseline and 499 surveys (Control:150, Intervention:349) and 50 structured observations (Control:15, Intervention:35) at endline. To evaluate the impact of intervention at the endline, we used the difference in difference (DID) method. Compared to control, workers from intervention areas were more likely to have increased knowledge of using/ maintaining PPEs (adjusted DID: 21%, CI: 8, 33), major COVID-19 transmission causes (adjusted DID: 27%, CI: 14, 40), and preventive measures (adjusted DID: 12%, CI:-0.6, 25), and improved attitude about using PPEs (adjusted DID: 36%, CI: 22, 49), washing PPEs (adjusted DID: 20%, CI: 8, 32). The intervention was more likely to improve workers' self-reported practice of taking adequate precautions after getting back from work (adjusted DID: 37%, CI: 27, 47) and changing/cleaning masks every day (adjusted DID: 47%, CI: 0.03, 94), and observed practices of maintaining coughing etiquette (DID: 20%, CI: 0.2, 40) at workplace and handwashing before wearing PPEs (DID: 27%, CI: 2, 52), after finishing work (DID: 31%, CI:-7, 69) & during work intervals (DID: 30%, CI:-33, 93). There was not much improvement in observed practices of mask use (DID: 1%, CI:-40, 42), handwashing before meals (DID: 2%, CI:-61, 65), and after toilet (DID: 7%, CI:-41, 55). This intervention has improved the knowledge, attitude and practice of the workers about critical occupational risk mitigation, which may be replicated in similar settings. Future interventions need to address occupational health-related injuries and health complications, introduce regular health checkups/insurance for the workers, create a balance between the quality and comfort of the PPEs and ensure a mechanism to ensure a regular supply of PPEs.
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