. Author manuscript; available in PMC: 2016 Feb 12.

Published in final edited form as: Psychol Aging. 2016 Jan 11;31(1):101–113. doi: 10.1037/pag0000063

Table 4.

Twin pair correlations (# complete pairs) of anxiety scores by occasion and pair status.

	Q1	Q2	Q3	Q4	IPT2	IPT3
MZT	.44 (79)	.49 (77)	.36 (68)	.39 (57)	.45 (49)	.23 (41)
MZA	.29 (51)	.36 (45)	.25 (38)	.06 (35)	.50 (25)	.18 (19)
DZT	.10 (11)	−.01 (103)	.26 (95)	.28 (78)	.18 (58)	.17 (57)
DZA	.03 (10)	.12 (117)	.22 (95)	.04 (85)	.03 (75)	.04 (63)

Note: Q = questionnaire occasion; IPT = in-person testing occasion; MZT = monozygotic twins reared together; MZA = monozygotic twins reared apart; DZT = dizygotic twins reared together; DZA = dizygotic twins reared apart. Bold indicates p ≤ .05.