Skip to main content

Advertisement

Table 1 Gender and median age difference between the ASD child and his/her sibling

From: Autism spectrum disorder and low vitamin D at birth: a sibling control study

  Gothenburg catchment area group (47 sibling pairs) Stockholm Somali group (11 sibling pairs) Total (58 sibling pairs)
Gender in ASD group: M/F (% males) 42/5 (89%) 10/1 (91%) 52/6 (90%)
Gender in sibling group: M/F (% males) 18/28 (39%) 5/6 (45%) 23/34 (40%)
Age relation in sibling pairs: n; median difference, years (1st - 3rd quartiles)
ASD sibling older 14; 1.8 (1.2-2.1) 7; 3.5 (2.3-4.8) 21; 1.8 (1.5-2.8)
ASD sibling younger 32; 2.4 (1.8-4.2) 4; 2.5 (1.8-3.6) 36; 2.4 (1.8-4.1)
Twins (dizygotic) 1; 0.0 (0.0) - 1; 0.0 (0.0)