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Table 2 Descriptive statistics of the study sample for each country

From: A cross-cultural study of autistic traits across India, Japan and the UK

  Control derivation sample Autism derivation sample Control validation sample Autism validation sample Total
Japan
n 88 65 102 51 306
 Sex
  Female 37 8 60 11 116
  Male 51 57 42 40 190
Mean age in years (SD) 7.74 (0.10) (n = 88) 7.55 (0.16) (n = 65) 7.88 (0.09) (n = 102) 7.82 (0.19) (n = 51)  
India
n 36 42 45 33 156
 Sex
  Female 9 3 12 0 24
  Male 9 19 11 16 55
  Missing 18 20 22 17 77
Mean age in years (SD) 6.24 (0.87) (n = 34) 5.11 (1.09) (n = 40) 6.14 (0.24) (n = 45) 6.69 (0.27) (n = 33)  
UK
n 269 241 263 247 1020
 Sex
  Female 152 44 143 42 381
  Male 117 197 120 205 639
Mean age in years (SD) 8.84 (0.81) 6.26 (1.65) 8.76 (0.88) 6.49 (1.66)  
  1. n Number of participants, SD standard deviation