. Author manuscript; available in PMC: 2015 Sep 1.

Published in final edited form as: J Clin Child Adolesc Psychol. 2013 Jul 2;43(5):751–764. doi: 10.1080/15374416.2013.812038

Table 2.

Descriptive statistics split by developmental status.

Variables	TD Mean (SD)	DD Mean (SD)	t (df)	Cohen's d
Maternal distress age 3	20.9 (19.9)	24.0 (18.3)	−1.25 (236)	.16
Maternal distress age 4	20.3 (19.2)	25.8 (22.2)	−1.93 (214)	.26
Maternal distress age 5	21.9 (18.7)	26.7 (25.2)	−1.58 (214)	.22
Maternal sensitivity age 3	3.3 (0.79)	2.9 (0.89)	4.16 (241)^*	.54
Maternal sensitivity age 4	3.6 (0.83)	3.4 (0.84)	1.63 (217)	.22
Maternal sensitivity age 5	3.6 (0.75)	3.3 (0.88)	3.07 (207)^*	.43
Child externalizing age 3	12.7 (6.8)	17.1 (8.4)	−4.49 (242)^*	.58
Child externalizing age 4	11.5 (6.8)	16.0 (9.2)	−4.09 (214)^*	.56
Child externalizing age 5	10.7 (7.6)	16.0 (9.3)	−4.63 (214)^*	.63
Child internalizing age 3	7.8 (5.2)	12.0 (8.0)	−5.00 (242)^*	.64
Child internalizing age 4	8.2 (5.3)	11.7 (7.6)	−4.01 (214)^*	.55
Child internalizing age 5	7.9 (6.0)	12.1 (8.9)	−4.10 (214)^*	.56

Note. TD = typically developing group; DD = children with developmental delays.

p < .05.