. Author manuscript; available in PMC: 2021 May 20.

Published in final edited form as: Psychol Med. 2018 Sep 17;49(11):1841–1849. doi: 10.1017/S0033291718002532

Table 4.

Within-disorder cross-sibling correlations and cross-disorder cross-sibling correlations between ADHD and obesity

		Within-disorder cross-sibling		Cross-disorder cross-sibling
	No. of pairs	r_ADHD (95% CI)	r_obesity (95% CI)	r (95% CI)
Full Siblings	664 721	0.42 (0.41 - 0.43)	0.34 (0.33 - 0.36)	0.10 (0.09 - 0.12)
Maternal Half Sibling	68 347	0.25 (0.22 - 0.27)	0.24 (0.20 - 0.28)	0.07 (0.03 - 0.10)
Paternal Half Sibling	69 351	0.21 (0.18 - 0.24)	0.13 (0.09 - 0.18)	0.06 (0.02 - 0.10)

r: correlation; CI: confidence interval