Table 3.

Regression analyses of total facial emotion errors for individuals with bipolar disorder or healthy comparison participants

	Child faces			Adult faces
BD versus HC
Effect	β	t(148)	p-value	β	t(148)	p-value
Diagnosis	0.25	3.43	<0.001	0.22	2.95	0.004
Age	−0.34	−4.71	<0.001	−0.31	−4.22	<0.001
Diagnosis-by-age interaction	−0.19	−2.61	0.01	−0.18	−2.42	0.02
FSIQ	−0.07	−1.01	0.31	−0.03	−0.39	0.70
BD participants only
Effect	β	t(63)	p-value	β	t(63)	p-value
Age	−0.46	−4.21	<0.001	−0.47	−4.24	<0.001
FSIQ	−0.12	−1.08	0.28	−0.11	−0.96	0.34
HC participants only
Effect	β	t(84)	p-value	β	t(84)	p-value
Age	−0.23	−2.10	0.039	−0.17	−1.56	0.123
FSIQ	0.003	0.03	0.98	0.08	0.76	0.45

Diagnosis was coded as healthy comparison (HC) = 0 and bipolar disorder (BD) = 1 for all regression analyses, so positive beta weights for diagnosis indicate greater effects in individuals with BD. FSIQ = full-scale intelligence quotient.