Key result
Among adults with self-reported anxiety, low cardiorespiratory fitness was associated with a significantly higher risk of incident low back pain compared to high fitness (HR 3.7; 95% CI 1.7-8.2).
Why the study?
The study was conducted to investigate the relationship between low back pain and cardiorespiratory fitness among individuals with and without self-reported anxiety.
Does cardiorespiratory fitness reduce the risk of low back pain in adults with and without anxiety?
Cohort (n=13,080)
Does cardiorespiratory fitness reduce the risk of low back pain in adults with and without anxiety?
Hazard Ratio: 3.7 (95% CI 1.7–8.2)
Low cardiorespiratory fitness is associated with a significantly increased risk of low back pain specifically among individuals with self-reported anxiety.
May support fitness assessment in anxious adults; hypothesis-generating for whether improving cardiorespiratory fitness prevents low back pain.
To investigate the relationship between low back pain and cardiorespiratory fitness (CRF) among participants with and without self-report anxiety. Participants were 13,080 individuals (86.6% men; 44.7 ± 9.3 years). CRF was quantified as maximal treadmill test duration and was grouped for analysis as low (lowest 20% of treadmill test duration), moderate (middle 40%), and high (upper 40%). Cox regression analysis was used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) between low back pain and CRF according to the presence/absence of self-report anxiety. During an average of 5.7 ± 5.1 years of follow-up, 2,965 cases of low back pain were identified. Participants with self-report anxiety and low CRF had 3.7 times (HR: 3.7; 95%CI: 1.7-8.2) more risk for having low back pain when compared with participants with self-report anxiety and high CRF. Additionally, among participants with self-reported anxiety, moderate CRF was associated with an 70% greater risk of having low back pain than those with high CRF (HR: 1.7; 95%CI: 1.1-3.2). For participants without self-reported anxiety, no association was found between the risk of having low back pain and CRF. According to the results identified in the present study, participants with self-reported anxiety who had low and moderate CRF had higher risks of low back pain than those with high CRF.
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Silva et al. (2023) conducted a cohort in Low back pain (n=13,080). Low cardiorespiratory fitness vs. High cardiorespiratory fitness was evaluated on Incident low back pain (HR 3.7, 95% CI 1.7-8.2). Among adults with self-reported anxiety, low cardiorespiratory fitness was associated with a significantly higher risk of incident low back pain compared to high fitness (HR 3.7; 95% CI 1.7-8.2).
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