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. 2016 Apr 27;24:59. doi: 10.1186/s13049-016-0249-9

Table 4.

Summary of hierarchical regression analysis: personal characteristics (block 1), exposure to traumatic events (block 2), occurrence (block 3) and social support (block 4) as predictors of post-traumatic stress distress, psychological distress, perceived fatigue, somatic complaints, job satisfaction

IES total Psychological distress Perceived fatigue Somatic complaints Job Satisfaction
ΔR 2 β Sign ΔR 2 β Sign ΔR 2 β Sign ΔR 2 β Sign ΔR2 β Sign
Block 1: demographics 0.00 0.04 0.03 0.03 0.01
 Age ,05 n.s -,17 * -,11 n.s -,17 * -,02 n.s
 Workschedule ,02 n.s ,08 n.s ,13 n.s ,05 n.s -,11 n.s
Block 2: Traumatic events 0.12 0.06 0.02 0.02 0.01
 Age ,09 n.s -,14 n.s -,10 n.s -,15 0.07 -,03 n.s
 Workschedule ,01 n.s ,07 n.s ,12 n.s ,04 n.s -,10 n.s
 Traumatic events (work) ,33 *** ,25 *** ,14 n.s ,15 0.06 ,01 n.s
 Life events (personal life) -,12 n.s -,05 n.s ,06 n.s -,02 n.s ,11 n.s
Block 3: occurrence 0.15 0.23 0.28 0.23 0.28
 Age ,02 n.s -,22 *** -,19 ** -,24 *** ,07 n.s
 Workschedule ,03 n.s ,01 n.s ,15 * ,07 n.s -,14 *
 Traumatic events (work) ,23 *** ,14 0.06 ,01 n.s ,04 n.s ,09 n.s
 Life events (personal life) -,12 n.s -,05 n.s ,05 n.s -,02 n.s ,11 n.s
 Occurrence physical total -,07 n.s -,03 n.s ,05 n.s -,10 n.s ,15 *
 Occurrence violence ,17 * ,17 * ,29 *** ,18 * -,17 *
 Occurrence situations that can cause burnout ,35 *** ,44 *** ,38 *** ,44 *** -,50 ***
Block 4: social support 0.02 0.02 0.03 0.07 0.16
 Age ,03 n.s -,21 *** -,17 * -,21 *** ,06 n.s
 Workschedule ,02 n.s ,09 n.s ,14 * ,06 n.s -,11 0.09
 Traumatic events (work) ,23 *** ,14 * ,01 n.s ,05 n.s ,06 n.s
 Life events (personal life) -,12 n.s -,05 n.s ,04 n.s -,03 n.s ,11 n.s
 Occurrence physical total -,04 n.s -,00 n.s ,10 n.s -,03 n.s ,08 n.s
 Occurrence violence ,15 0.07 ,15 * ,27 *** ,15 * -,11 0.09
 Occurrence situations that can cause burnout ,30 *** ,39 *** ,34 *** ,38 *** -,34 ***
 Social support supervisor ,01 n.s ,03 n.s ,13 n.s ,22 ** ,14 n.s
 Social support colleagues -,17 0.07 -,17 0.07 -,23 ** -,36 *** ,33 ***
R 2 model 0.29 R 2 model 0.35 R 2 model 0.36 R 2 model 0.35 R2 model 0.46
Adj R 2 model 0.25 Adj R 2 model 0.31 Adj R 2 model 0.33 Adj R 2 model 0.31 Adj R2 model 0.43

Abbreviations: ΔR 2 change in R2 values from one model to another, R 2 model R2 values in one model, Adj R 2 model adjusted R2 values in one model, β beta resulting standardized regression coefficients, Sign significant, n.s not significant, * Correlation is significant at the 0.05 level, ** Correlation is significant at the 0.01 level,*** Correlation is significant at the 0.001 level, IES total = post-traumatic stress distress, the bold data are significant