Table 1.

Descriptive Statistics for Study Variables (N = 2,940 Cases in 1,470 Sibling Dyads)

Variable	M	SD	Range
Parent – adolescent affection	0.10	0.85	−3.20 – 1.47
Parent – adolescent association	0.02	0.78	−1.42 – 2.88
Adolescent sibling relationship quality	0.002	0.77	−2.09 – 1.04
Parent – adult offspring affection	0.01	0.78	−3.36 – 0.93
Parent – adult offspring coresidence (1 = yes)	0.41	0.49	0 – 1
Parental financial support of adult offspring (logged dollars)	5.08	3.11	0 – 8.16
Adult sibling relationship quality	0.10	0.85	−2.27 – 1.80
Sibling difference in parent – adolescent affection	0.80	0.67	0 – 4.02
Sibling difference in parent – adolescent association	0.73	0.59	0 – 3.31
Sibling difference in parent – adult offspring affection	0.66	0.61	0 – 3.45
Only one adult offspring coresides with parents (1 = yes)	0.36	0.48	0 – 1
Sibling difference in parental financial support	2.61	2.86	0 – 8.16
Age in years at the adult interview	21.95	1.72	18 – 27
Male gender (1 = yes)	0.48	0.50	0 – 1
Sibling age difference	1.44	1.50	0 – 7
Mixed-gender sibling dyad (1 = yes)	0.35	0.48	0 – 1
Hispanic (1 = yes)	0.15	0.36	0 – 1
Black (1 = yes)	0.20	0.42	0 – 1
Other non-White race (1 = yes)	0.11	0.31	0 – 1
Sibship	0.52	0.70	0 – 2
Household socioeconomic status during adolescence	0.03	0.87	−2.19 – 1.53
Parental economic hardship during adolescence (1 = yes)	0.20	0.41	0 – 1
Two-parent household during adolescence (1 = yes)	0.67	0.48	0 – 1