Abstract:
One of the ways to reduce traffic accidents is to apply safety riding while driving. The rapid
development of communication and transportation technology has led to modes of online-based
transportation. The advantage of online transportation is that it can find out fares before use and
information about drivers or vehicles. The purpose of this study was to analyze the effect of
providing information with WhatsApp group chat to improve the knowledge and attitude of riding an
ojek online driver in the Tembalang area of Semarang. Methods: Quasi experiment with pre-test
post-test, sample selection with a total sample of 56 respondents (28 intervention respondents and 28
control respondents). There is a significant difference when p < 0.05. The results of the study found
pretest knowledge variables between control treatments p=0.541, pretest-posttest treatment p =
<0.001, pretest-posttest control p = <0.002, posttest between control treatments p = <0.01, difference
between pretest-posttest between treatment and control p = <0.001. Pretest attitude variable between
treatments control p = 0.804, pretest-posttest treatment p = <0.001, pretest-posttest control p = <
0.265, posttest between control treatments p = 0.001, pretest-posttest difference between control
treatments p = <0.001. There are significant differences in knowledge and the attitude of the
respondents before and after the intervention. This means that using WhatsApp group chat can
increase the knowledge and safety attitude of ridding ojek online driver.
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