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This study investigated the association of combined arthritis and diabetes, diabetes only, and arthritis only compared with neither with gait speed in the general population. This cross-sectional study included data from the second wave of Midlife in the United States-2 (MIDUS 2) project 4: Biomarker Project, 2004-2009. The MIDUS 2 biomarker project included 1255 individuals aged between 34 and 84 years. Participants were categorized into four groups: combined arthritis and diabetes, diabetes only, arthritis only, or neither. The main outcome measure was gait speed measured by the 50-ft walk test. Covariates included age, gender, body mass index (BMI), depression symptoms, and number of chronic conditions/symptoms. A total of 1255 participants were included with mean age 54.52 ± 11.71, of those 713 (56.8%) participants were females. The results showed that combined arthritis and diabetes was significantly associated with a greater decline in gait speed (B = - 0.11, 95% confidence interval (CI) [- 0.17 to - 0.6], p 0.001). Arthritis and diabetes were independently significantly associated with decreased gait speed (B = - 0.072, 95% CI [- 0.10 to - 0.043], p 0.001), (B = - 0.064, 95% CI [- 0.12 to - 0.012], p = 0.015), respectively. Combined arthritis and diabetes was associated with a greater decline in gait speed compared with diabetes only, arthritis only, or neither group. Key Points • Combined arthritis and diabetes were associated with declined gait speed. • Gait speed did not differ between people with arthritis compared with people with diabetes. • We recommended including gait speed assessment in regular clinical visits to capture gait speed declines for further health assessments. |
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