Among the reasons for their disappearance, "running away from home" was listed as # 1, and it is estimated that some of those whose disappearance was caused by "unknown factors" --which is the # 2 listed reason--have parents who will not admit they ran away.
究其失蹤原因，「逃家」名列第一，而名列第二的「不明原因」中，估計也有一部份是不被父母承認的逃家行為。