The Association of Current Tobacco Status With Pain and Symptom Severity in Fibromyalgia Patients

OBJECTIVE: To describe current tobacco use among patients with newly confirmed fibromyalgia and evaluate the association between tobacco use status and severity of reported pain and other fibromyalgia symptoms. PATIENTS AND METHODS: Participants in this study were adult patients (N=1068) with fibromyalgia who met American College of Rheumatology 2010/2011 clinical criteria for fibromyalgia at the time of initial presentation to a Midwest fibromyalgia clinic (June 1, 2018, through May 31, 2019). Multiple linear regression analyses were performed to assess the association of tobacco use status with the Widespread Pain Index (WPI) and Symptom Severity Scale (SSS) scores. Covariates included in these analyses included age, sex, body mass index, depression, opioid medication use, and use of fibromyalgia-specific pharmacotherapy. RESULTS: The patients were largely women (87.0%; n=929), white (87.9%; n=939), and with an average ± SD age of 46.6±13.9 years. The WPI and SSS scores were significantly greater in current tobacco users compared with never tobacco users (WPI effect estimate [EE] = 1.03; 95% CI, 0.30 to 1.76; type III P=.020; SSS EE = 0.47; 95% CI, 0.11 to 0.84; type III P=.036). The WPI score was negatively associated with age (EE = −0.02 per year; 95% CI, −0.03 to −0.001 per year; P=.037) and no use of opioid medication (EE = −1.08; 95% CI, −1.59 to −0.57; P<.001) while positively associated with higher body mass index (EE = 0.03 per 1 kg/m(2); 95% CI, 0.001 to 0.06 per kg/m(2); P=.04) and higher Patient Health Questionnaire-9 score (EE = 0.12; 95% CI, 0.08 to 0.16; P<.001). CONCLUSION: The results of our study suggest that tobacco use is associated with greater pain and other symptom severity in patients with fibromyalgia. These findings have important clinical and research implications for patients with fibromyalgia who use tobacco and who may benefit from early identification and timely implementation of tobacco cessation treatment to decrease pain and improve overall quality of life.