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Table 4 Methodological quality assessment tool for LBP epidemiological studies

From: Mapping evidence on the prevalence, incidence, risk factors and cost associated with chronic low back pain among adults in Sub-Saharan Africa: a systematic scoping review protocol

Score weight
Was the sampling frame a true or close representation of the target populationWas the sample size estimated?Was some form of random selection used to select sample OR was a census undertaken?Was the likelihood of non-response bias minimal?Were data collected directly from the subjects (as opposed to a proxy)?Had the study instrument that measured the parameter of interest (eg, CLBP prevalence) been tested for reliability and validity?Was data collection standardised?Was a human body drawing usedTotal score