The design was based on a two-stage random sampling of 15 hospitals and 34 intensive care units.Data was collected thru the Collaboration and Satisfaction about Care Decisions (CSACD) instrument and a short questionnaire 355 nursing personnel were included with a 58.5%response rate. Average CSACD score was 36.72(SD 12.43), implying low levels of collaboration and satisfaction with care decisions. There was a strong positive association between respondent's years of experience and CSACD score(r=.675,p<0.0001). Head nurses reported higher CSACD scores compared to staff nurses (F=7.67, p=0.001) No significant association between responders' age, gender, highest level of education and years in overall nursing experience and CSACD score. In a multivariate model, only type of post was significantly associated with CSACD score. In Greek ICU's , the collaboration culture is mostly affected by unit level practices and cannot be substantially influenced by employee characteristics. The cronbach's alpha coefficient of reliability of internal consistency of the scale used was assessed. Due to the lack of established norms, the mid-point of the CSACD was arbitrarily considered as a cutoff. Values below the 50th quartile were considered low, those betwee 50th and 75th were moderte, and above that level as high. Comparsons were assessed thru student's t or Mann Whitney U test and ANOVA as appropriate. Pearson's r- correlation coeffecients were also explored. To explore variables potentially mediating significant associations (age,gender, years of experience) we employed step-wise regression analysis. A nominal significance level alpha=0.05 was used . Data was analysed thru SPSS statistical package..
Here are some of my questions about this study:
I get the basics of the study but the statistics confuse me, especially how to interpret them, especially what the cronbachs alpha tells me.-please help
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