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. Author manuscript; available in PMC: 2013 Feb 14.
Published in final edited form as: Autism. 2011 Jun 22;15(5):579–599. doi: 10.1177/1362361310386503

Table 5.

Longitudinal prediction of T4 autism symptoms based on whether or not adolescents engaged in specific discretionary activities

Variable Standardized betas
T4 Social impairment
   Intellectual disability   .148
   T3 Social impairment   .646***
   T3 Spent time in conversation –.154*
R2   .586***
T4 Social impairment
   Intellectual disability   .179*
   T3 Social impairment   .645***
   T3 Spent time reading –.162*
R2   .590***
T4 Maladaptive behaviors
   Intellectual disability   .202**
   T3 Maladaptive behaviors   .641***
   T3 Spent Time reading –.107
R2   .558***
T4 Maladaptive behaviors
   Intellectual disability   .209**
   T3 Maladaptive behaviors   .650***
   T3 Spent time shopping   .047
R2   .549***
*

p < .05;

**

p < .01;

***

p < .001.