. Author manuscript; available in PMC: 2007 Jul 23.

Published in final edited form as: J Pediatr Psychol. 2003;28(7):473–484. doi: 10.1093/jpepsy/jsg038

Table II.

Parental Stress in Mothers of Boys with DMD vs. Normative Sample

PSI-SF Subscale	DMD (n = 127) M ± SD	Norm (n = 800) M ± SD	t Value	df
Parental distress	26.77±7.37	26.4±7.2	0.56^*	125
Parent-child dysfunctional interaction	23.98±6.97	18.7±4.8	8.51^**	125
Difficult child	30.64±9.23	26.0±6.7	5.65^**	125

PSI-SF = Parental Stress Index–Short Form. DMD = Duchenne muscular dystrophy.

p > .05.

^**

p = .000.