Table 3.

Correlations of mood and interest and pleasure subscales at Time 1 and Time 3 with variables of interest at Time 1 for the Cornelia de Lange and fragile X syndrome groups

	Self-help skills	Autism spectrum disorder				Insistence on sameness
		Comm.	Social interaction	Repetitive behaviour	Total score
CdLS
Time 1
Mood	.20	− .19	− .29	− .51**	− .42*	− .18
Interest and pleasure	− .01	− .34	− .54*	− .16	− .59**	− .41*
Time 3
Mood	− .12	− .16	− .16	− .26	− .19	− .34
Interest and pleasure	− .11	− .17	− .39	− .24	− .48*	− .42*
FXS
Time 1
Mood	.38*	− .21	− .41**	− .27	− .36*	− .38*
Interest and pleasure	.12	− .20	− .31*	− .16	− .28*	.05
Time 3
Mood	.28*	− .21	− .25	−.09	−.22	−.11
Interest and pleasure	.08	− .23	− .42**	−.07	−.33*	−.05

*p < 0.01; **p < 0.001