training by multimedia messaging service method, a solution to improve knowledge, attitude, and performance of health workers: a quasi-experimental study

Background: since health workers are the leading providers of health services, increasing their knowledge and performance can play an essential role in preventing diseases, especially coronavirus disease 2019 (covid-19).objectives: the current research was conducted to compare the effects of lecture training and multimedia messaging service (mms) training on health workers’ knowledge, attitude, and performance in preventing covid-19.methods: this quasi-experimental study was conducted in two groups with a pretest-posttest design. the study population included 60 health workers in nikshahr selected by random sampling. the data collection tool was a researcher-made questionnaire, including demographic questions and items on health workers’ knowledge, attitude, and performance in preventing covid-19, completed in two training groups by lecture and mms methods online before and after the intervention.results: the participants’ mean score of knowledge increased significantly after training in both lecture and mms methods (p < 0.050), but no significant difference was observed between the two methods (p > 0.050). the mean attitude score in the two groups before and after the intervention showed no significant difference (p < 0.050). in the performance dimension, a significant difference was observed between the two groups post-intervention, and this score significantly increased in the mms group (p < 0.050).conclusion:  considering the effect of the mms method on health workers’ knowledge and performance, this method can be considered a suitable solution to meet the growing demand for training.