Score weight | |||||||||
---|---|---|---|---|---|---|---|---|---|
study | 0.2 | 0.08 | 0.2 | 0.2 | 0.08 | 0.08 | 0.08 | 0.08 | Â |
Was the sampling frame a true or close representation of the target population | Was 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 used | Total score |