Research on Nutrition, Dental Caries Status Using Novel Methods, and Related Factors to Preschool Children in Rural Areas of Vietnam

Table 1

The percentage of the participated children by age and sex.

Age	Boy		Girl
	n	%	n	%
2	22	3.2	28	4.1
3	112	16.2	96	13.9
4	110	15.9	94	13.6
5	112	16.2	116	16.8

Natural numbers (n) indicate the number of children in groups; the decimals indicate the percentages of the groups.