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. 2015 May 28;12(6):6045–6065. doi: 10.3390/ijerph120606045

Table 1.

Demographic variables of the study population: Nominal variables (N = 150).

Variable Name Levels Frequency Percentage
No. of children 1 41 27.3
2 67 44.7
3 35 23.3
4 7 4.7
Education High school 24 16
Bachelor’s degree 59 39.3
Two Bachelor’s degrees 6 4
MA 30 20
PhD 5 3.3
Other degrees 26 17.3