TABLE 2.

Means and standard deviations of parent-adolescent communication and depressive symptoms according grade.

Variable	Grade 7	Grade 9	t	p	Cohen’s d
Father communication	9.88 (2.86)	9.45 (2.88)	7.85	<0.001	0.15
Mother communication	11.06 (2.76)	10.75 (2.83)	5.86	<0.001	0.11
Depressive symptoms	9.59 (3.57)	10.48 (3.78)	−12.96	<0.001	−0.24

N_Grade7 = 5,712, N_Grade9 = 5,743.