Table 4.

Fatigue: comparison between RNS and DS nurses

Answers to SSI “fatigue” items	RNS nurses (n=179) m ± SD	DS nurses (n=53) m ± SD	P-value
I generally feel I have plenty of energy	2.9±0.8	3.0±0.7	0.285
I usually feel drained	2.0±0.9	2.3±1	0.116
I generally feel quite active	3.1±0.8	3.2±0.6	0.583
I feel tired most of the time	2.5±0.9	2.4±0.9	0.289
I generally feel full of vigor	2.8±0.9	2.7±0.8	0.415
I usually feel rather lethargic	1.9±0.9	1.5±0.6	0.007
I generally feel alert	3.3±0.7	3.2±0.7	0.237
I often feel exhausted	2.4±0.9	1.8±0.7	<0.001
I usually feel lively	3.1±0.9	3.1±0.7	0.841
I feel weary much of the time	2.3±0.9	2.0±0.8	0.026
General feelings of fatigue	26.3±6.3	24.5±4.8	0.060

Note: The values in bold are statistically significant.

Abbreviations: DS, day shift; m, mean; RNS, rotating night shift; SD, standard deviation; SSI, Standard Shift Work Index.