Skip to main content
. 2014 Mar 7;9(3):e91286. doi: 10.1371/journal.pone.0091286

Table 4. Results of multivariable survival analysis: effect of baseline osteoarthritis (OA) pain and disability on risk for composite cardiovascular (CVD) outcome after adjusting for covariates and censoring on death.

Participant Characteristic Adjusted Hazard Ratio 95% confidence interval p-value
Age: <0.001
55–64 (reference) 1.0
65–74 1.90 1.55–2.33 <0.001
75+ 3.05 2.46–3.78 <0.001
Male (female is reference) 1.31 1.11–1.54 0.001
Pre-existing cardiovascular disease 1.86 1.61–2.15 <0.001
Diabetes 1.67 1.43–1.96 <0.001
Hypertension 1.20 1.02–1.40 0.026
Body mass index (BMI): 0.20
Underweight 1.36 0.72–2.58 0.35
Normal (reference) 1.0
Overweight 1.07 0.89–1.29 0.49
Obese 1.11 0.92–1.35 0.28
Missing 1.42 1.06–1.92 0.021
Smoking history: 0.016
Never smoked (reference) 1.0
Former smoker 1.16 0.98–1.36 0.080
Current smoker 1.38 1.10–1.72 0.004
Missing 1.47 0.95–2.27 0.083
HAQ walking score (per unit increase in score) 1.17 1.08–1.27 <0.001

Model R-square  = 0.381.