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. 2017 Aug 3;17(3):251–260. doi: 10.1016/j.ijchp.2017.07.002

Table 1.

Participants’ sociodemographic characteristics.

n %
Gender
 Male 676 45.20
 Female 814 54.50
 Lost data 9 0.30



Age, years
 12-14 653 43.70
 15-16 586 39.20
 17-18 255 17.10



Academic level
 1° Secondary 309 20.70
 2° Secondary 275 18.40
 3° Secondary 259 17.30
 1° Preparatoria 296 19.80
 2° Preparatoria 190 12.70
 3° Preparatoria 165 11.00



Mother's education level
 No response 141 9.40
 No formal education 40 2.70
 Primary education 300 20.10
 Secondary education 388 26.00
 Preparatoria education or high school 311 20.80
 University graduate 311 20.80
 Lost data 3 0.20



Father's education level
 No response 232 15.50
 No formal education 42 2.80
 Primary education 235 15.70
 Secondary education 318 21.30
 Preparatoria education or high school 278 18.60
 University graduate 379 25.40
 Lost data 10 0.70