Table 3.
Adverse impact of chronic pain on physical functioning in the Olmsted County Health Study in Minnesota, 2004 to 2006
Characteristics Adjusted mean difference (95% CI) P value Chronic pain No chronic pain Reference Abdominal chronic pain –4.8 (–9.6, –0.1) 0.048 Joint chronic pain –7.9 (–12.1, –3.6) <0.001 Low back chronic pain –6.9 (–10.8, –3.1) <0.001 Neuropathic chronic pain –10.0 (–13.9, –6.1) <0.001 Multisite chronic pain –16.8 (–22.0, –11.6) <0.001 Age category ≤49 years Reference 50–59 years –7.5 (–10.9, –4.0) <0.001 ≥60 years –12.1 (–15.3, –8.9) <0.001 Female, gender –3.8 (–6.5, –1.1) 0.007 Education, high school or less –4.1 (–7.8, –0.4) 0.029 Poor or fair health status –23.0 (–28.1, –17.9) <0.001 Obesity –7.3 (–10.6, –4.0) <0.001 Mild/major depressive symptoms –6.4 (–10.6, –2.3) 0.002 Medical Outcomes Study Short Form (SF) Physical Functioning score ranges from 0 to 100, with 100 being the best health state.