Table 2.

Characteristics of the Parents

	Category	Number (%)
Father's occupation	Worker or farmer	121 (17.0)
	Clerk	211 (29.6)
	Technical staff	153 (21.4)
	Manager	31 (4.3)
	Own business	119 (16.7)
	Missing	79 (11.1)
Mother's occupation	Worker or farmer	178 (24.9)
	Clerk	165 (23.1)
	Technical staff	168 (23.5)
	Manager	11 (1.5)
	Own business	118 (16.5)
	Missing	74 (10.4)
Father's education	Junior high school	113 (15.8)
	High school	182 (25.5)
	College	316 (44.2)
	Master's or higher	49 (6.9)
	Missing	54 (7.6)
Mother's education	Junior high school	130 (18.2)
	High school	197 (27.6)
	College	308 (43.1)
	Master's or higher	32 (4.5)
	Missing	47 (6.6)