Purpose The aim of this study was to examine the association between body mass index and chronic pain. Methods The outcome was chronic pain prevalence by body mass index (BMI). BMIs of less than 18.5, 18.5–25.0, 25.0–30.0, and 30.0 or over kg/m were defined as underweight, normal weight, overweight, and obese. Subjects We used data from 4993 participants (2464 men and 2529 women aged 20–79 years) of the Pain Associated Cross-sectional Epidemiological survey in Japan. Sex-stratified multivariable-adjusted odds ratios were calculated with 95% confidence intervals using a logistic regression model including age, smoking, exercise, sleep time, monthly household expenditure, and presence of severe depression. We analyzed all ages and age subgroups, 20–49 and 50–79 years. Results The prevalence of chronic pain was higher among underweight, overweight, and obese male respondents than those reporting normal weight, with multivariable odds ratios of 1.52 (1.03–2.25), 1.55 (1.26–1.91), and 1.71 (1.12–2.60). Accord- ing to underweight, only older men showed higher prevalence of chronic pain than normal weight men with odd ratios, 2.19 (1.14–4.20). Being overweight and obese were also associated with chronic pain in women; multivariable odds ratios were 1.48 (1.14–1.93) and 2.09 (1.20–3.64). Being underweight was not associated with chronic pain. Conclusion There was
Journal of Anesthesia – Springer Journals
Published: Mar 26, 2018
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