3.4. Statistical Analysis
Statistical analysis was conducted using SPSS software,
version 16 (SPSS Inc., Chicago, Illinois). Normal distribution
of data was tested by Kolmogorov-Simonov Test.
The Chi-square test was used to assess dependency level
before and after trauma. One-way ANOVA was used to
assess the difference between ISADL scores in different
time intervals. A two-way ANOVA found an association
between time intervals and other variables in the ISADL
score. Multiple regression analysis was used to show the
variables that could made the model with ISADL scores
as a dependent variable. The significance level was set at
P < 0.05 in all testes.
3.5. Ethical Consideration
This study was approved by the research council of
Faculty of Nursing and Midwifery and its ethical aspects
were approved by the Research Ethics Committee of
Kashan University of Medical Sciences, Kashan, Iran. Furthermore,
necessary licenses were obtained from the authorities
of the concerned hospital. The purposes of the
study were explained to the participants and all signed a
written informed consent and assured of the confidentiality
of information.