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Comorbid Arthritis Is Associated With Lower Health-Related Quality of Life in Older Adults With Other Chronic Conditions, United States, 2013–2014

ORIGINAL RESEARCH — Volume 14 — July 27, 2017

PEER REVIEWED

Figure 1.
Adjusted mean difference in physically and mentally unhealthy days and days with activity limitation in people with and without arthritis. Results were adjusted for age, sex, dual Medicare/Medicaid eligibility, rural/urban commuting area, and Charlson Comorbidity Index. Asterisks in figure indicate significant differences in regression-adjusted means between the arthritis and nonarthritis groups at P< .001; error bars indicate 95% confidence intervals. Abbreviations: MUHD, mentally unhealthy days; PUHD, physically unhealthy days; UHD, unhealthy days.

Condition Adjusted Mean (95% Confidence Interval) No. of UHD P Value
Arthritis No Arthritis
PUHD 10.6 (10.0–11.2) 8.6 (8.0–9.2) <.001
MUHD 6.1 (5.5–6.7) 5.6 (5.1–6.1) <.001
Activity limitation 6.8 (6.3–7.3) 5.4 (4.8–6.0) <.001

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Figure 2.
Adjusted mean difference in unhealthy days and days with activity limitation in people with a chronic condition, with and without arthritis. Results were adjusted for age, sex, dual Medicare/Medicaid eligibility, rural/urban commuting area, and Charlson Comorbidity Index. Asterisks in figure indicate significant differences in regression-adjusted means between the arthritis and nonarthritis groups at P< .001; error bars indicate 95% confidence intervals. Abbreviations: CAD, coronary artery disease; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; HTN, hypertension; MUHD, mentally unhealthy days; PUHD, physically unhealthy days; UHD, unhealthy days.

Condition Adjusted Mean No. (95% Confidence Interval) P Value
No Arthritis Arthritis
Hypertension
Activity limitation 5.2 (4.3–6.1) 6.7 (5.8–7.6) <.001
MUHD 5.5 (4.6–6.4) 6.0 (5.2–6.8) <.001
PUHD 8.3 (7.4–9.2) 10.4 (9.5–11.3) <.001
UHD 11.3 (10.3–12.3) 13.6 (12.6–14.6) <.001
Diabetes
Activity limitation 5.2 (4.2–6.2) 7.1 (6.0–8.2) <.001
MUHD 5.3 (4.3–6.3) 6.1 (5.2–7.0) <.001
PUHD 9.5 (8.2–10.8) 11.6 (10.4–12.8) <.001
UHD 12.4 (11.0–13.8) 14.7 (13.4–16.0) <.001
Chronic obstructive pulmonary disease
Activity limitation 5.9 (5.0–6.8) 7.2 (6.4–8.0) <.001
MUHD 4.9 (4.1–5.7) 5.7 (5.0–6.4) .01
PUHD 10.3 (8.6–12.0) 12.3 (10.6–14.0) <.001
UHD 13.2 (11.4–15.0) 15.5 (13.7–17.3) <.001
Congestive heart failure
Activity limitation 4.6 (3.4–5.8) 6.5 (5.3–7.7) <.001
MUHD 3.8 (2.9–4.7) 5.0 (4.1–5.9) .003
PUHD 10.5 (8.0–13.0) 13.0 (10.4–15.6) <.001
UHD 12.9 (10.3–15.5) 15.7 (13.1–18.3) <.001
Coronary artery disease
Activity limitation 6.5 (4.8–8.2) 7.8 (6.1–9.5) <.001
MUHD 6.9 (5.0–8.8) 7.3 (5.4–9.2) .15
PUHD 10.7 (9.2–12.2) 12.4 (10.8–14.0) <.001
UHD 14.5 (12.9–16.1) 16.2 (14.6–17.8) <.001

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The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions.

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