Table 2.

Consumption of folic acid by age group, educational level, and social strata

Characteristics	Use of folic acid
Age group
10–19	25%
20–29	25%
30–39	32%
40–49	42%
Education
Elementary school	9%
Junior High	22%
High school	24%
Some university	28%
Bachelor degree or higher	43%
Social strata
Class I – Professional	39%
Class II – Minor professional	38%
Class III – Skilled workers	26%
Class IV – Semiskilled workers	23%
Class V – Unskilled workers	25%