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CHANGES IN LOW BACK PAIN REPORTING OVER TIME IN ADULT DANES

The 27th annual ACM SI/GUCCS conference



Abstract

Background

The prevalence estimates of LBP are so far well documented. However, only few longitudinal studies have described the variability of LBP in the same population over time. Therefore, little is known about the course of LBP at the individual level.

Purpose

The aim of this study was to describe changes in low back pain (LBP) reporting over an eight-year period in a cohort of adult Danes.

Methods

A cohort of 625 men and women, aged 40, was randomly sampled to be representative of the general population. Questions about LBP were asked at the age of 41, 45, and 48. Two definitions of LBP were investigated: “Trivial LBP” (any reported LBP during the past month) and “Non-trivial LBP” (reporting more than 30 days with LBP during the past year with consequences: sick leave, healthcare contacts or limitations in participation). Prevalence rates at the three different times were reported and the course of LBP was visualized.

Results

The response rate was 66%, 56%, and 47%, respectively. The prevalence rates of different types of LBP did not change significantly across this eight-year period (trivial: 42%, 48%, 40%; non-trivial: 18%, 20%, 20%). Around 50% of those with LBP reported the same type of LBP next time and 10-25% had a fluctuating pattern of reporting. This was true for both definitions of low back pain.

Discussion

This study confirms that LBP is a recurrent condition for a large proportion of people in the forties. It also confirms that the presence of LBP indicates a major risk of future LBP.

This abstract has not previously been published in whole or substantial part nor has it been presented at any national meeting.

Conflicts of interest: None

Sources of funding: “Industriens Arbejdsskadeforsikring,” now “Topdanmark,” funded the study.