Sentence examples for all analyses were performed using statistical from inspiring English sources

All analyses were performed using Statistical Package of Social Sciences (SPSS) software version 20 (SPSS , Inc an IBM Company, Chicago, Illinois, US).

All analyses were performed using Statistical Package for Social Science (SPSS), version 21.0 (IBM Corp., Armonk, NY, USA).

All analyses were performed using Statistical Package for the Social Sciences, version 20.0 (SPSS Inc., Chicago, IL, USA).

All analyses were performed using statistical software, V.11 (STATA).

All analyses were performed using Statistical Package for Social Science SPSSS, version 22, IBM, Armonk, NY).

All analyses were performed using statistical and data analysis software STATA (Statacorp, Texas, USA).

All statistical analyses were performed using statistical software (Statistica, StatSoft).

All statistical analyses were performed using statistical software STATA 12.1.

All statistical analyses were performed using Statistical Package for Social Sciences.

All analyses were performed using the R Statistical Package (2.11.0 [31]].

All analyses were performed using Statistical Analysis System SASS 9.2).