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. Author manuscript; available in PMC: 2022 Sep 1.

Published in final edited form as: J Genet Psychol. 2021 May 17;182(5):317–334. doi: 10.1080/00221325.2021.1922869

Table 1.

Full sample characteristics to address primary aim.

	NON (N = 2509)		dnLGD (N = 378)		Group differences
	n	%	n	%	Group differences
Male	2191	87.3%	263	69.6%	χ²(1) = 79.8, p<.001
Female	318	12.7%	115	30.4%
ASD Diagnosis^a	2509	100.0%	335	88.6%	χ²(1) = 289.7, p<.001
ID Diagnosis^a	803	32.0%	190	50.3%	χ²(1) = 47.7, p<.001
	Mean	SD	Mean	SD	Group differences
Age (years)	9	3.57	9.39	4.23	F(1,2670) = 3.57, p = .063
Age range (years)	3–17		4–28
VIQ	78.55	31.1	62.3	35.9	F(1, 2664) = 81.77, p<.001
NVIQ	85.37	25.92	65.3	33.9	F(1, 2664) = 171.1, p<.001
Internalization	60.3	9.7	60.1	8.8	F(1, 2634) = .26, p = .61
Externalization	56.5	10.6	56.5	10.9	F(1,2634) = 0, p = .99

^a

Diagnoses unclear for 1 dnLGD participant due to remote only participation.