Table 1

Scores for the Practice Environment Scale of the Nursing Work Index (mean and differences)

PES-NWI factor	Global score (mean (SD))	Actual shift work
PES-NWI factor	Global score (mean (SD))	Day (mean (SD))	Rotating (mean (SD))	Night (mean (SD))	ANOVA F (p value)
Staffing and resource adequacy	2.53 (0.689)	2.55 (0.685)	2.54 (0.680)	2.41 (0.755)	1.15 (0.319)
Collegial nurse–doctor relations	2.49 (0.663)	2.52 (0.707)	2.48 (0.642)	2.47 (0.709)	0.15 (0.861)
Nurse manager ability, leadership and support	2.54 (0.714)	2.69 (0.768)	2.52 (0.690)	2.34 (0.692)	5.73 (0.003)
Nursing foundations for quality care	2.58 (0.547)	2.65 (0.562)	2.53 (0.534)	2.66 (0.571)	2.99 (0.051)
Nurse participation in hospital affairs	2.05 (0.519)	2.09 (0.630)	2.04 (0.477)	2 (0.505)	0.72 (0.487)

ANOVA F, statistic contrast associated. PES-NWI, Practice Environment Scale of the Nursing Work Index.