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. 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.