From: Does back and neck pain become more common as you get older? A systematic literature review
Inclusion | Exclusion |
---|---|
Original observational studies or reports; primarily cross-sectional and cohort studies | If more than one article presenting results from the same study exist then only the most pertinent article was included. |
Studies reporting results specifically for various age groups on people aged 60 and over | No reviews, experimental or clinical trials, or studies with subsample of the original study sample, unless it is still a representative sample and reports new relevant information |
Representative of the general population (study samples from nursing homes, etc. are accepted) | No working populations |
Reported separately some type of back pain (+ divided by region) | No native/aboriginal populations |
Studies from developed countries only (e.g. countries with *advanced economies* according to IMF) | No traumatic related injuries |
Any type of prevalence | No secondary back pain conditions (i.e. osteoporotic fractures) |
Prevalence/incidence estimates specifically on people aged 60 and over | No indirect/weighted/adjusted prevalence estimates. |
In studies with results from more than one period/survey, only the most recent year was included | Â |
At least theoretically possible that there were a minimum of 500 participants in each age group | Â |