Table 3.

Childhood predictors of loneliness group membership in adolescence

	Developmental course of loneliness
	Ever v never lonely (N = 1,910)	Recurrent v age 12-limited (N = 204)	Recurrent v age 18-limited (N = 176)	Age 12-limited v age 18-limited (N = 290)
	OR (99% CI)	OR (99% CI)	OR (99% CI)	OR (99% CI)
Family influences
Sibling warmth	.90 (.83, .98)	1.04 (.84, 1.28)	.99 (.78, 1.26)	.96 (.82, 1.12)
Parental monitoring	.89 (.85, .94)	.90 (.78, 1.04)	.86 (.75, .99)	.95 (.85, 1.05)
Happy home	.81 (.73, .91)	.92 (.73, 1.15)	.73 (.56, .97)	.82 (.67, 1.00)
Peer influences
Bullying	3.60 (2.21, 5.86)	1.61 (.66, 3.88)	3.72 (1.31, 10.59)	2.35 (1.02, 5.40)
Social isolation	1.42 (1.25, 1.60)	1.17 (.94, 1.45)	1.49 (1.14, 1.95)	1.28 (1.03, 1.59)

Note. CI = confidence interval; OR = odds ratio. Analyses are restricted to cases with complete data for all variables (N = 1,910). Column headings report the pairwise N for each set of comparisons. Numbers in bold indicate significant associations at p < .01.