Table 1.

Distribution of schoolchildren according to age and gender (N = 900)

	Estonia		Vietnam
	n	%	n	%
Years of age
8	110	32.0	223	37.0
9	174	50.6	146	35.6
10	60	17.4	187	27.4
Gender
Boy	188	54.7	239	43.0
Girl	156	45.3	317	57.0
Total	344	100	556	100