Table 2 Weighted linear mixed models for falls and hospital acquired pressure ulcer ratesa
From: Nurse staffing and patient outcomes: a longitudinal study on trend and seasonality
Inpatient Falls | ||||
|---|---|---|---|---|
Variables | Total Falls | Injurious Falls | ||
Coefficient (95 % CI) | P-value | Coefficient (95 % CI) | P-value | |
Trend–annual mean | ||||
Change in total HPPD | −0.36 (−0.51, −0.21) | <0.001 | −0.12 (−0.17, −0.07) | <0.001 |
Change in RN skill-mix (1 percentage point) | −0.05 (−0.07, −0. 032) | <0.001 | −0.04 (−0.05, −0.03) | <0.001 |
Seasonal variation | ||||
Change in total HPPD | −0.18 (−0.24, −0.11) | <0.001 | −0.06 (−0.09, −0.03) | <0.001 |
Change in RN skill-mix (1 percentage point) | 0.07 (0.05, 0.10) | <0.001 | −0.01 (−0.02, 0.00) | 0.08 |
Hospital Acquired Pressure Ulcers | ||||
Variables | All | Stage III or Above | ||
Coefficient (95 % CI) | P-value | Coefficient (95 % CI) | P-value | |
Trend–annual mean | ||||
Change in total HPPD | −1.82 (−2.56, −1.07) | <0.001 | −0.49 (−0.71, −0.26) | <0.001 |
Change in RN skill-mix (1 percentage point) | −0.6 (−0. 20, −0.16) | <0.001 | −0.38 (−0.84, 0.86) | 0.110 |
Seasonal variation | ||||
Change in total HPPD | −1.80 (−2.02, −1.59) | <0.001 | −0.12 (−0.17, −0.07) | <0.001 |
Change in RN skill-mix (1 percentage point) | 0.11 (0.01, 0.20) | 0.03 | −0.04 (−0.05, −0.03) | <0.001 |