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characteristics of study sample
| Variable | Frequency | Percent | |
|---|---|---|---|
| Sex | |||
| Male | 41 | 29.7 | |
| Female | 97 | 70.3 | |
| Pre-college educational institute | |||
| Matriculation institute | 89 | 66.9 | |
| Pre Science Degree | 44 | 33.1 | |
| Has personal computer | |||
| No | 28 | 20.3 | |
| Yes | 110 | 79.7 | |
| Has SPSS software | |||
| No | 111 | 80.4 | |
| Yes | 27 | 19.6 | |
| Has PS (Power and Sample) software | |||
| No | 113 | 81.9 | |
| Yes | 25 | 18.1 | |
| Has Epi Info software | |||
| No | 104 | 75.4 | |
| Yes | 34 | 24.6 | |
| Age Mean(SD) | 20.73(0.62) | ||
