胎儿期未经历过唐山大地震,出生地点为唐山市地震中心。 出生时间为1977-07-29/1978-04-28,测评时年龄满18周岁高三学生601例为对照组,男250例,女351例。

• Totally 601 senior three students aged 18 years who did not experience Tangshan earthquake but born in the earthquake center during their fetal period were regarded as the control group (born between July 29, 1977 and April 28, 1978) with 250 male and 351 female.