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The overall self reported prevalence of LBP was 32% (n = 61).
Self reported prevalence and health-seeking behavior for chronic conditions was compared with a similar survey conducted three years ago in the same population.
This study aimed to determine the effectiveness of using this tool to assess self reported prevalence and impact on an individual of enamel opacities in an epidemiological survey.
Table 2 summarizes the perception and self reported prevalence of cheating by students at high school, during the university entrance examination and while currently enrolled at Hawassa University.
However, the amount of error may not have been substantial since studies have documented that self reported prevalence produce estimates near to true prevalence and simple disease counts may have equal predictive value of morbidity burden when compared with other, more complex measurement approaches to multimorbidity [ 40, 41].
This tool, comprising three questions and a standard set of photographs, appears to fulfill the requirements of an effective epidemiological tool with regard to feasibility, coherence and repeatability and is suitable for the measurement of self reported prevalence of enamel opacities and the impact they have in a population of young adolescents.
Because history of diabetes was based on self-report, prevalence of diabetes in our study population would have been underestimated; hence some participants with diabetes would have been misclassified as not having diabetes.
However, given that farmers who would have caught more severely lame sheep only when a number of them were lame also reported the highest prevalence of lameness, it would appear that farmer self reporting of prevalence of lameness is reasonably accurate.
Although somewhat old now (1999 2000) the Australian Diabetes and Lifestyle Study baseline data reported a self-reported prevalence of 3.7% and further undiagnosed (following testing) prevalence of 4.2% in adults aged 25 years or more [ 2].
Cybercrime: self reported crime prevalence per year.
Cybercrime: self reported crime prevalence per year, after adjustment to allow comparison between the surveys discussed in this article.
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