anatomical definition of what constitutes neck pain, typically either inclusion or exclusion of pain in the shoulder region mat have some influence on the results.
non-responders
Neck pain has been reported to increase with age and to be more prevalent in women than man.
fejer, performed a systematic review and reported 25 out of 30 studies found women had more neck pain than men
after a comprehensive search the current review was unable to locate any statistics with specific reference to the prevalence of pain only in the neck for a New Zealand population