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Table 1 Patient demographics

From: Autism screening at 18 months of age: a comparison of the Q-CHAT-10 and M-CHAT screeners

  n %
Screening age (months)—[mean (SD)] 18.02 (0.53)  
Diagnosis age (months)—[mean (SD)] 20.49 (1.86)  
Diagnosis age (months) ASD Screen positive—[mean (SD)] 19.98 (1.50)  
Diagnosis age (months) ASD Screen negative—[mean (SD)] 20.59 (1.91)  
Sex   
Female 114 27.94%
Male 294 72.06%
Race   
Asian 19 4.71%
Black 39 9.68%
White 281 69.73%
Multiple 58 14.39%
Unknown 6 1.49%
Hispanic or Latino   
No 375 93.05%
Yes 27 6.70%
Private Payer   
Yes 346 85.86%
Public payer   
Yes 48 11.76%
Other payer   
Yes 50 12.25%
Household income   
 < $50,000 18 6.57%
$50,000—$150,000 132 48.18%
 >  = $150,000 124 45.26%