• J J Brown, G A Wells, A J Trottier, J Bonneau, and B Ferris.
• Department of Medicine, University of Ottawa, Ontario, Canada.
• Spine. 1998 Apr 1;23(7):821-7.

Study DesignA survey of a random sample of 1002 members of the Royal Canadian Mounted Police to determine their experience with low back pain.ObjectivesTo determine the prevalence of low back pain among Royal Canadian Mounted Police members and to assess the validity of the perception that the patrol car seat and the duty belt are causing a higher rate of low back pain among members of the Royal Canadian Mounted Police than in the general population.Summary Of Background DataLow back pain is a common problem throughout the industrialized world, with reported 1-year prevalence rates between 25% and 62%. Prevalence of low back pain among people who drive motor vehicles for a significant part of the day appears higher than in the general population. Among police officers, 1-year prevalence rates of between 44% and 62% have been reported.MethodsA computerized database of 14,897 serving regular members was used to identify a sample of officers on active duty. A low back pain questionnaire was mailed to each selected member, eliciting information regarding their experience with low back pain, their exposure to known and putative risk factors, and their opinions about the contribution of these potential risk factors. The respondents to the questionnaire remained anonymous.ResultsThe response rate was 80%. The prevalence of "chronic or recurring low back pain since joining the force" was 54.9%, which is comparable with the lifetime prevalence reported for the general population. Of those who reported having back problems, only 8.5% had such problems before joining the force. Seventy-six percent who had low back pain reported having a problem within the last year, giving an overall 1-year prevalence of 41.8%, which is comparable with that for the general population. The a priori assumption that driving or wearing a duty belt contributed to the problem was shared by most police officers surveyed. However, only about half of the members who replied drove for more than half the working day or wore the duty belt. These members had the same prevalence of low back pain as those who did not drive or wear the duty belt.ConclusionsThe prevalence of low back pain in this police force is comparable with that in the general population, and driving a patrol car or wearing the duty belt does not appear to influence the prevalence rate in this population.

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