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Table 1 Demographic characteristics of the sample by group (autistic, non-autistic) and gender (male, female, NBT). Ethnicity, education level, and employment are whole-sample values

From: The Friendship Questionnaire, autism, and gender differences: a study revisited

 Autistic (n = 532)Non-autistic (n = 391)
Male (n = 72)Female (n = 317)NBT (n = 143)Male (n = 54)Female (n = 327)NBT (n = 18)
Age
 Range, M (SD)18.09–71.42, 36.04 (14.37)18.12–71.53, 35.18 (11.22)18.10–57.00, 28.85 (8.00)18.95–65.98, 33.08 (10.97)18.15–81.29, 31.79 (10.54)18.29–57.24, 30.24 (9.39)
AQ score
 Range, M (SD)6–28, 20.61 (4.21)3–27, 21.13 (3.91)9–27, 21.22 (3.34)1–20, 10.33 (4.88)0–20, 8.74 (5.28)0–20, 12.67 (6.48)
Ethnicity
 White 393 (74.01%)  307 (76.94%) 
 Asian 10 (1.88%)  25 (6.26%) 
 Black 4 (0.75%)  4 (1.01%) 
 Latinx 5 (0.94%)  2 (0.50%) 
 Mixed 29 (5.46%)  13 (3.26%) 
 No answer 90 (16.95%)  50 (12.52%) 
Education level
 None 23 (4.33%)  2 (0.50%) 
 GCSE 20 (3.76%)  5 (1.25%) 
 A-level 83 (15.63%)  35 (8.77%) 
 Diploma 62 (11.67%)  15 (3.76%) 
 Bachelors 205 (38.61%)  170 (42.61%) 
 Masters 111 (20.90%)  133 (33.33%) 
 PhD 24 (4.52%)  37 (9.27%) 
 No answer 3 (0.56%)  2 (0.50%) 
Employment
 Full-time 135 (25.42%)  210 (52.63%) 
 Part-time 67 (12.62%)  36 (9.02%) 
 Student 109 (20.53%)  108 (27.07%) 
 Self-employed 57 (10.73%)  17 (4.26%) 
 Unemployed 101 (19.02%)  14 (3.51%) 
 Retired 11 (2.07%)  4 (1.01%) 
 Other 48 (0.87%)  10 (2.50%) 
 No answer 3 (0.56%)  2 (0.50%)