Table 4.
Cluster characteristics
| Characteristic | A | B | C | D | p value |
|---|---|---|---|---|---|
| # of beds | 20.33 (3.51) | 16.75 (10.14) | 16.25 (11.09) | 19.33 (4.16) | .60 |
| CL utilization | 2.74 (1.96) | 3.66 (3.68) | 2.61 (1.22) | 2.53 (1.27) | .99 |
| RN hours ppd | 21.64 (0.67) | 19.95 (7.02) | 23.78 (3.88) | 19.87 (1.45) | .45 |
| # RN FTE | 60.87 (27.43) | 47.65 (26.36) | 65.09 (61.28) | 55.87 (34.05) | .89 |
| Staff Turnover | 28.21% (11.47) | 12.18% (11.09) | 20.52% (11.15) | 19.23% (5.36) | .40 |
| Skill Mix | 92.37% (5.82) | 85.63% (7.21) | 90.18% (5.23) | 88.07% (5.59) | .52 |
| # of admissions per month | 141.00 (23.58) | 77.75 (19.62) | 106.00 (47.25) | 115.33 (80.98) | .34 |
| LOS | 3.67 (1.01) | 6.37 (4.70) | 3.41 (0.68) | 7.16 (6.63) | .95 |
| Total years of RN experience | 7.35 (3.16) | 9.77 (3.46) | 6.83 (2.16) | 9.26 (5.30) | .55 |
| Total years of NA experience | 8.13 (6.31) | 7.84 (3.89) | 10.59 (5.34) | 9.03 (5.55) | .78 |
| Average RN age | 32.28 (4.79) | 34.97 (4.75) | 32.04 (3.20) | 34.55 (6.61) | .82 |
| Average NA age | 39.61 (5.53) | 33.40 (4.58) | 35.21 (6.88) | 39.42 (8.42) | .55 |
A group randomized in June, B group randomized in July, C group randomized in August, D group randomized in September. Skill mix = RN nursing care hours as a % of all nursing care hours. Kruskall-Wallis tests conducted
CL central line; ppd per patient day, FTE full time employee, LOS length of stay