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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Arthritis Care Res (Hoboken). 2012 Sep;64(9):1328–1333. doi: 10.1002/acr.21691

Table 2.

Hierarchical Logistic Regression Evaluating Cardiovascular Risk Factors and Events as Predictors of Cognitive Dysfunction

Adjusted Models?
n=694
observations
Unadjusted
Model
Model 1a Model 2b Model 3c
OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI)
Disease Activity
(SLAQ)
1.08 (1.05-1.11) 1.04 (1.01-1.07) 1.04 (1.00-
1.07)
1.04 (1.00-1.07)
Disease Duration 0.98 (0.95-1.00) 0.98 (0.95-1.01) 0.97 (0.94-
1.00)
0.97 (0.94-1.00)
Antiphospholipid
antibodies
1.94 (1.28-2.94) 2.14 (1.34-3.41) 2.24 (1.39-
3.61)
2.10 (1.3-3.41)
Hypertension 1.98 (1.26-3.09) 2.08 (1.21-
3.58)
2.06 (1.19-3.56)
Hyperlipidemia 1.02 (0.67-1.55) 0.81 (0.49-
1.35)
0.74 (0.43-1.26)
Diabetes 1.81 (1.02-3.21) 1.35 (0.66-
2.76)
1.24 (0.6-2.57)
Obese 1.44 (0.93-2.24) 0.68 (0.39-
1.17)
0.71 (0.41-1.24)
Current smoking 2.56 (1.41-4.63) 1.47 (0.73-
2.95)
1.51 (0.74-3.07)
Myocardial
Infarction
1.37 (0.64-2.92) 0.96 (0.38-2.44)
Stroke 2.62 (1.50-4.58) 2.27 (1.16-4.43)
?

All models adjusted for gender, education, poverty status, and depression.

a

Model 1: Disease-related variables.

b

Model 2: Disease-related variables and cardiovascular risk-factors.

c

Model 3: Disease-related variables, cardiovascular risk-factors and events.

All variables are self-reported with the exception of presence of antiphospholipid antibodies and disease duration which were collected from chart review.