Table 2.

Results of the unconditional linear growth model for repeated measures of three frontal alpha EEG coherence Pairs in adolescent male and female COGA participants

	Left frontal-central (LFC) EEG coherence FZ-CZ--F3-C3				Right frontal-central (RFC) EEG coherence FZ-CZ--F4-C4				Prefrontal interhemispheric (PFI) EEG coherence F8-F4--F7-F3
	Males		Females		Males		Females		Males		Females
	Beta (s.e.)	p	Beta (s.e.)	p	Beta (s.e.)	p	Beta (s.e.)	p	Beta (s.e.)	p	Beta (s.e.)	p
Unconditional linear growth model
Intercept Mean	0.41 (0.02)	<0.001	0.46 (0.02)	<0.001	0.43 (0.02)	<0.001	0.46 (0.02)	<0.001	0.22 (0.02)	<0.001	0.26 (0.02)	<0.001
Slope mean	0.01 (0.00)	<0.001	0.01 (0.00)	<0.001	0.01 (0.00)	<0.001	0.01 (0.00)	<0.001	0.00 (0.00)	0.001	0.00 (0.00)	0.003
Intercept Variance	0.04 (0.01)	0.005	0.01 (0.00)	0.001	0.02 (0.01)	0.131	0.03 (0.01)	0.001	0.01 (0.01)	0.024	0.03 (0.00)	<0.001
slope Variance	0.00 (0.00)	0.004	0.00 (0.00)	<0.001	0.00 (0.00)	0.009	0.00 (0.00)	<0.001	0.00 (0.00)	<0.001	0.00 (0.00)	<0.001
Intercept-slope Correlation	−0.00 (0.00)	0.012	0.00 (0.00)	0.001	−0.00 (0.00)	0.132	−0.00 (0.00)	0.001	0.00 (0.00)	0.028	−0.00 (0.00)	<0.001
Observations	797	–	855	–	797	–	855	–	797	–	855	–
AIC	−1872.95	–	1268.54	–	−1861.41	–	−1259.75	–	−2135.71	–	−1876.17	–
BIC	−1830.82	–	−1225.78	–	−1819.28	–	−1216.99	–	−2093.58	–	−1833.41	–
H0 log-likelihood	945.48	–	643.27	–	939.70	–	638.88	–	1076.86	–	947.09	–
H1 maximum log-likelihood	952.62	–	642.37	–	954.66	–	637.40	–	1091.47	–	949.60	–

Note: Bold text indicates p-value less than 0.05. Bold italic text indicates p-value less than 0.01.