• Jiaojiao Geng, Le Li, Tingting Liu, Bin Yan, and Lili Peng.
• School of Rehabilitation Medicine, Jiangsu Vocational College of Medicine, Jiangsu, China. Electronic address: 963233273@qq.com.
• Pain Manag Nurs. 2024 Jun 1; 25 (3): 300307300-307.

BackgroundNotwithstanding a plethora of observational studies, the causal implications of obesity, encompassing both body mass index (BMI) and waist circumference (WC), as well as type 2 diabetes (T2D), and lifestyle factors, in relation to the vulnerability to low back pain (LBP), remain enigmatic.AimsThis study was designed to investigate the related causal associations DESIGN: A two-sample Mendelian randomization (MR) analysis.SettingsBy utilizing genetic variants associated with pertinent factors gleaned from genome-wide association studies (GWASs), We extracted independent genetic variants about exposures such as BMI, WC, T2D, smoking, alcohol consumption, and coffee intake from published GWASs, ensuring their genome-wide significance.Participants/SubjectsThe GWASs were selected from the most up-to-date and largest publicly accessible databases.MethodsThe summary data concerning LBP emanated from a GWAS of European cases and controls, which was based on the esteemed MRC-IEU (Medical Research Council Integrative Epidemiology Unit) consortium.ResultsHeightened body mass index and waist circumference exhibited odds ratios of 1.003 (95% confidence interval [CI] = 1.002-1.004, p < 0.001) and 1.003 (95% CI = 1.002-1.004, p < 0.001) for LBP, respectively, per each standard deviation (SD) increase. As for smoking initiation and every SD increase in the frequency of alcohol intake, the odds ratios were 1.002 (95% CI = 1.001-1.003, p = 0.003) and 1.002 (95% CI = 1.000-1.003, p = 0.011), respectively, for LBP. Conversely, an increased log odds ratio for T2D, and prevalence of coffee intake, divulged no discernible causal effects on the risk of LBP.ConclusionThis study provides suggestive evidence to support the causal involvement of obesity, smoking, and the frequency of alcohol intake in the development of LBP, which suggests that implementing measures to mitigate these risk factors may aid in preventing LBP.Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.

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