Table 4. Unstandardized Regression Coefficients (β) From the Hybrid Model Testing Long-term Associahtions Between Sleep Duration and Symptoms of Psychiatric Disorders.

Association Between Variables	β (95% CI)	P Value
Symptoms of emotional disorders at age 8 y, regressed on sleep duration at age 6 y	−0.44 (−0.80 to −0.08)	.02
Symptoms of emotional disorders at age 10 y, regressed on sleep duration at age 8 y	−0.47 (−0.83 to −0.11)	.01
Symptoms of emotional disorders at age 12 y, regressed on sleep duration at age 10 y	0.05 (−0.40 to −0.50)	.83
Symptoms of behavioral disorders at age 8 y, regressed on sleep duration at age 6 y	−0.35 (−0.73 to −0.05)	.08
Symptoms of behavioral disorders at age 10 y, regressed on sleep duration at age 8 y	−0.49 (−0.90 to −0.07)	.02
Symptoms of behavioral disorders at age 12 y, regressed on sleep duration at age 10 y	−0.33 (−0.69 to −0.04)	.08
Short sleep duration at age 8 y, regressed on symptoms of emotional disorders at age 6 y	0.00 (−0.03 to −0.02)	.73
Short sleep duration at age 8 y, regressed on symptoms of behavioral disorders at age 6 y	0.00 (−0.02 to −0.02)	.90
Short sleep duration at age 10 y, regressed on symptoms of emotional disorders at age 8 y	−0.02 (−0.04 to −0.01)	.14
Short sleep duration at age 10 y, regressed on symptoms of behavioral disorders at age 8 y	0.01 (−0.01 to −0.02)	.38
Short sleep duration at age 12 y, regressed on symptoms of emotional disorders at age 10 y	0.00 (−0.03 to −0.02)	.81
Short sleep duration at age 12 y, regressed on symptoms of behavioral disorders at age 10 y	0.00 (−0.01 to −0.02)	.58

Baseline levels of sleep duration and symptoms were adjusted for in the model.