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Table 4 Results of multi-level analysis (analysis of explained variance for 10 ACT concepts at unit and nursing home levels, n = 25 nursing homes)

From: The care unit in nursing home research: Evidence in support of a definition

ACT Concept1

% Variance that can be explained by:

% of explained variance gained by:

H0: Variance = 0 (Ha: Variance > 0) (P value)

 

Unit 2

Nursing Home3

Unit + Nursing Home4

Aggregating to nursing home5

Aggregating to unit6

Nursing Home = 0 (3 level model)

Unit = 0 (2 level model)

Leadership

7.73%*

6.08%*

8.49%*

0.77%

2.41%

0.0130

0.0002

Culture

11.84%*

10.59%*

11.79%*

-0.05%

1.20%

0.1230

<0.0001

Evaluation

8.98%*

6.42%*

8.34%*

-0.64%

1.91%

0.0726

0.0001

Social Capital

5.08%*

4.18%*

4.90%*

-0.18%

0.72%

0.2399

0.0030

Formal Interactions

3.63%*

2.92%*

3.73%*

0.10%

0.81%

0.2171

0.0140

Informal Interactions

2.15%

1.97%*

2.36%*

0.21%

0.38%

0.3284

0.0557

Resources

9.74%*

10.20%*

11.36%*

1.62%

1.16%

0.1006

<0.0001

OS-staff

32.89%*

28.84%*

30.92%*

-1.97%

2.09%

0.0251

<0.0001

OS-space

34.45%*

31.74%*

35.05%*

0.60%

3.30%

0.0037

<0.0001

OS-time

21.91%*

19.76%*

20.48%*

-1.42%

0.72%

0.2212

<0.0001

  1. 1 n values. Facility (n = 25), Unit (n = 89), Healthcare Aide responses (n = 1243 to 1250 depending on the ACT concept: leadership n = 1247, culture n = 1251, evaluation n = 1245, social capital n = 1244, formal interactions n = 1250, informal interactions n = 1244, structural and electronic resources n = 1243, OS-staff n = 1257, OS-space n = 1254, OS-time n = 1249)
  2. 2 2 level model (unit, individual). % of total variance that can be explained by the unit level
  3. 3 2 level model (nursing home, individual) % of total variance that can be explained by the nursing home
  4. 4 3 level model (nursing home, unit, individual) % of total variance that can be explained by unit + nursing home
  5. 5 variance gained by adding nursing home (% unit + nursing home explained variance - % unit explained variance)
  6. 6 variance gained by adding unit (% unit + nursing home explained variance - % nursing home explained variance)
  7. * p < 0.05 compared to individual only level (Likelihood Ratio test)