Estimating Measurement Error of the Patient Activation Measure for Respondents with Partially Missing Data

Table 1

Baseline characteristics of all study participants [7].

Characteristic	Number (%)
Sample size	512
Primary condition
CHF	257 (50.2%)
COPD	255 (49.8%)
Female	295 (57.6%)
Age, mean (SD)	66.75 (11.99)
Insurance
Medicare	358 (69.9%)
Medicaid	52 (10.2%)
Commercial	69 (13.5%)
None	33 (6.4%)
Living conditions
With spouse/caregiver	332 (64.8%)
Alone	169 (33.0%)
Other	6 (1.2%)
Homeless	5 (1.0%)
Comorbidities
Cerebrovascular disease	224 (43.8%)
Diabetes	204 (39.8%)
Obesity	172 (33.6%)
Chronic pain	128 (25.0%)
Renal disease	117 (22.9%)
Acute myocardial infarction	103 (20.1%)
Peptic ulcer disease	87 (17.0%)
Depression	70 (13.7%)
Cancer	57 (11.1%)
Mental disorder	63 (12.3%)
Liver disease	40 (7.8%)
PAM, mean (SD)	54.03 (13.69)
Hospital utilization in prior 12 months
Admissions (all-cause), mean (SD)	1.78 (1.32)
Hospital days (all-cause), mean (SD)	8.40 (8.65)
ED visits (all-cause), mean (SD)	0.91 (1.85)
LOS of index admission, mean (SD)	5.24 (4.05)

PAM: patient activation measure; ED: emergency department; LOS: length of stay.
Unless otherwise noted.