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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Acta Psychiatr Scand. 2011 Nov 24;125(3):203–212. doi: 10.1111/j.1600-0447.2011.01799.x

Table 1.

Number of pairs by zygosity, sex and valid education and anxiety data.

N of pairs
Education Anxiety
MZM 529 219
DZM 395 117
MZF 796 446
DZF 638 264
DZO 981 339

Note:

MZM=monozygotic males

DZM=dizygotic males

MZF=monozygotic females

DZF=dizygotic females

DZO=dizygotic, opposite sex