Table 4 Staff self-rated organisational support and hospital environment at each hospital site: pre and post-intervention

 Site 1

233

2.70 (0.77)

40

3.03 (0.97)

−2.33

0.020*

 Site 2

301

2.69 (0.84)

160

2.97 (0.95)

−3.20

0.001**

 Site 3

233

2.97 (0.96)

137

3.42 (0.78)

−4.57

< 0.001**

 Site 4

177

2.88 (0.79)

81

3.38 (0.90)

−4.58

< 0.001**

 Site 1

234

2.53 (0.80)

40

2.53 (0.93)

0.01

0.996

 Site 2

295

2.52 (0.86)

157

2.66 (0.94)

−1.56

0.120

 Site 3

233

2.95 (0.87)

137

2.88 (0.83)

0.79

0.430

 Site 4

177

2.37 (0.77)

81

2.78 (0.91)

−3.76

< 0.001**