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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Med Care. 2012 Oct;50(10):856–862. doi: 10.1097/MLR.0b013e31825dd713

Table 1.

Baseline Resident and Health Care Proxy Characteristics by SCU Status

Resident Characteristics
Variable All Residents By SCU Status p-value

Total Residents 323 Non-SCU: 151
SCU: 141
No SCU: 31

Mean Age (SD) 85.3 (7.5) Non-SCU: 85.7 (7.4) 0.001
SCU: 84.1 (7.5) ---
No SCU: 88.8 (6.5) 0.001

Female 85.4% Non-SCU: 84.1% 0.027
SCU: 87.9% ---
No SCU: 80.7% 0.119

White 89.5% Non-SCU: 92.1% 0.780
SCU: 91.5% ---
No SCU: 67.7% 0.001

Married 19.8% Non-SCU: 17.9% 0.233
SCU: 23.4% ---
No SCU: 12.9% 0.315

Completed High School 77.4% Non-SCU: 76.2% 0.004
SCU: 82.0% ---
No SCU: 62.1% 0.001

Admitted to NH from Private Home/Apt 29.7% Non-SCU: 25.8% 0.001
SCU: 34.8% ---
No SCU: 25.8% 0.052

Mean BANS-S Score 21.0 Non-SCU: 21.4 0001
SCU: 21.1 ---
No SCU: 21.7 0.690

Health Care Proxy Characteristics
Variable All Residents By SCU Status p-value

Mean Age (SD) 59.9 (11.6) Non-SCU: 60.9 (12.8) 0.001
SCU: 58.4 (10.4) ---
No SCU: 62.2 (10.8) 0.001

Female 63.8% Non-SCU: 58.3% 0.037
SCU: 66.0% ---
No SCU: 80.7% 0.003

Married/Living with Partner 67.8% Non-SCU: 72.2% 0.566
SCU: 64.5% ---
No SCU: 61.3% 0.929

Child of Resident 67.5% Non-SCU: 62.9% 0.007
SCU: 73.0% ---
No SCU: 64.5% 0.040

Completed College 57.3% Non-SCU: 58.9% 0.816
SCU: 58.9% ---
No SCU: 41.9% 0.349

SCU = residents in a dementia special care unit (SCU); non-SCU = residents not in a dementia special care unit, but in a facility with an SCU; no SCU = residents not in a facility with an SCU. Residents in an SCU served as the reference group for all analyses.

Ordinary least squares regression used to compare means, logistic regression used to compare frequencies.

BANS-S = Bedford Alzheimer’s Nursing Severity-Subscale (ranges from 7-28, with higher scores indicating more functional disability.