Assessement of magnitude and factors of occupational injury among workers in large scale metal manufacturing industries in addis abeba

Background: The burden of occupational injury in most developing countries including
Ethiopia is becoming a public health problem. Therefore, information that shows the magnitude
and predictors of occupational injury in most risky work places in Ethiopia such as metal
processing and working industries is indispensable to inform proper intervention programs to
have healthy workforce and sound economic development.
Objective: This study is intended to assess the magnitude and factors affecting occupational
injuries among workers engaged in large scale metal manufacturing industries in Addis Ababa.
Method: Institutional cross sectional study was conducted in Addis Ababa from February to
March 2010. 50% of large scale metal manufacturing industries were selected by simple random
sampling after stratification. Then, calculated sample size was allocated for each industry by
PPS. And then, Study subjects were stratified by working sections and those who were directly
engaged in the work were selected from each stratum by simple random sampling after preparing
a frame from payroll of those industries. Structured questionnaire was designed to collect
information on outcome variables and factors. Observational checklist and in-depth interview
with key informants was held to triangulate the information with quantitative findings