Table 1

Characteristics of nursing units

Patient fallsDecubitus ulcerPE/DVTNursing injuries
Units withoutUnits withUnits withoutUnits withUnits withoutUnits withUnits withoutUnits with
Nursing unit characteristics
 Number of nursing units (%)3 (10)26 (90)11 (38)18 (62)10 (34)19 (66)8 (28)21(72)
 Count of injuries029001050167078
 Total patients discharged (%)2268 (8)26608 (92)7947 (28)20313 (72)7475 (26)20785 (74)
 Total nurses employed (%)158 (22)565 (78)
Patient characteristics
 Complexity (scale: 1=low, 4=high), %
  0 (levels 1 and 2)69.9760.4567.3360.2865.4361.12N/A
  1 (levels 3 and 4)30.0339.5532.6739.7234.5738.88
Mean (SE)
Mean nursing hours per patient day11.12 (0.09)8.33 (0.02)10.04 (0.04)7.85 (0.02)9.77 (0.04)7.99 (0.02)8.86 (0.21)14.61 (0.31)
Turnover (%)7.70 (0.12)10.61 (0.18)24.85 (0.56)4.87 (0.03)3.41 (0.06)13.04 (0.22)3.79 (0.50)4.83 (0.48)
Unit-level mean SAQ domain score*
 Teamwork88.34 (0.03)75.49 (0.05)82.73 (0.10)75.19 (0.06)82.55 (0.14)75.42 (0.05)79.65 (0.50)78.25 (0.36)
 Safety84.55 (0.04)76.69 (0.04)79.60 (0.08)77.33 (0.05)80.36 (0.09)77.11 (0.04)78.3 (0.43)76.88 (0.26)
 Morale80.61 (0.04)70.69 (0.07)73.61 (0.14)71.75 (0.08)75.40 (0.15)71.14 (0.08)73.64 (0.66)74.81 (0.43)
 Perceptions of management74.69 (0.09)61.49 (0.07)62.68 (0.17)63.01 (0.08)64.76 (0.16)62.25 (0.08)60.97 (0.84)65.1 (0.41)
 Working conditions78.07 (0.03)69.48 (0.05)72.39 (0.10)70.10 (0.05)71.69 (0.11)70.40 (0.05)67.91 (0.63)71.83 (0.28)
  • * Stress Recognition domain omitted due to authors' concerns with construct validity.

  • PE/DVT, pulmonary embolism/deep vein thrombosis; SAQ, Safety Attitudes Questionnaire.