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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Fam Relat. 2014 Feb;63(1):71–84. doi: 10.1111/fare.12048

Table 2. Diagnostic Group Comparisons for Study Variables.

Down syndrome
(n = 29)		 Other disabilities
(n = 82)
Variable M (SD) M (SD) d
Total Parent Stress 67 (19) 78 (20) 0.57*
 Parent Distress 24 (8) 25 (8) 0.14
 P-CDI 20 (6) 23 (6) 0.43*
 Difficult Child 22 (8) 30 (9) 0.89**
PPOLD Success  3.89 (0.57)  3.67 (0.67) 0.35
PPOLD Difficulty  3.08 (0.76)  3.52 (0.66) 0.61*
*

p<.05,

**

p< .01. PPOLD = Parent Perception of Language Development