Data treatment and analysis
Roland-Morris Disability, Severe disability, Pain, pain
The data were entered into ExcelThe verification regarding homogeneity of the groups (sociodemographic data, habits and health, work and pain level) was based on the Chi-square or Fisher’s Exact tests for categorical variables and, for association between quantitative variables, the t test for independent samples or the Mann-Whitney test were performed.The Numerical Pain Scale score varies from 0 (No pain) to 10 (Most severe pain) for the assessment of pain intensity, calculating the mean value. The Brief Pain Inventory has two final scores: Pain severity and Pain interference. The first one is evaluated through the mean of the “worst pain”, “weakest pain”, “pain mean value” and “pain intensity now” items. The second is evaluated by the mean of the “general activity”, “mood”, “ability to walk”, “work”, “relationship with other people”, “sleep” and “pleasure of living” items. The Roland-Morris Disability Questionnaire has 24 items, analyzed by the sum of affirmative answers. The score can vary from zero (No disability) to 24 (Severe disability). SF-36 has 36 questions and eight domains: Functional capacity, Physical aspects, Pain, Overall health status, Vitality, Social aspects, Emotional aspects and Mental health. The final scoreThe data resulting from the evaluation of the 1