| Non-autistic participants (%) | Autistic participants (%) | Model 1 | Model 2 | Model 3 | Model 4 | ||||
---|---|---|---|---|---|---|---|---|---|---|
Odds ratio | FDR | Odds ratio | FDR | Odds ratio | FDR | Odds ratio | FDR | |||
 | p value |  | p value |  | p value |  | p value | |||
(a) Under 41 | ||||||||||
Gastro | 16.67 | 36.15 | 2.83 |  < 0.0001 | 3.20 |  < 0.0001 | 3.15 |  < 0.0001 | 3.26 |  < 0.0001 |
Neurological | 16.66 | 26.26 | 1.92 |  < 0.0001 | 1.95 |  < 0.0001 | 1.86 |  < 0.0001 | 1.95 |  < 0.0001 |
Endocrine | 14.63 | 21.40 | 1.59 | 0.0046 | 1.75 | 0.0029 | 1.65 | 0.0098 | 1.78 | 0.0030 |
Rheumatological | 6.54 | 20.14 | 3.60 |  < 0.0001 | 3.89 |  < 0.0001 | 3.67 |  < 0.0001 | 3.83 |  < 0.0001 |
ENT | 8.61 | 16.91 | 2.16 |  < 0.0001 | 2.21 | 4.1 × 10–4 | 2.12 | 0.0011 | 2.10 | 0.0013 |
Ocular | 31.67 | 39.59 | 1.41 | 0.0062 | 1.61 | 0.003 | 1.43 | 0.038 | 1.53 | 0.0087 |
Renal/hepatic | 2.75 | 6.30 | 2.37 | 0.0062 | 2.39 | 0.020 | 2.33 | 0.030 | – | – |
Haematological | 7.40 | 10.97 | 1.54 | 0.038 | 1.47 | 0.091 | 1.34 | 0.21 | 1.40 | 0.15 |
Dermatological | 21.69 | 29.68 | 1.52 | 0.0038 | 1.58 | 0.0060 | 1.58 | 0.0098 | 1.56 | 0.0087 |
(b) 41 and over | ||||||||||
Gastro | 23.37 | 41.41 | 2.31 | P < 0.0001 | 2.35 | P < 0.0001 | 2.24 | P < 0.0001 | 2.18 | P < 0.0001 |
Neurological | 20.28 | 33.64 | 1.99 | P < 0.0001 | 2.30 | P < 0.0001 | 2.24 | P < 0.0001 | 2.18 | P < 0.0001 |
Endocrine | 19.07 | 19.89 | 1.05 | 0.73 | 1.26 | 0.20 | 1.14 | 0.49 | 1.21 | 0.32 |
Rheumatological | 23.20 | 31.28 | 1.51 | 0.0029 | 1.70 | 0.0056 | 1.60 | 0.010 | 1.63 | 0.0097 |
ENT | 10.65 | 18.63 | 1.92 | 5.0 × 10–4 | 1.63 | 0.029 | 1.49 | 0.080 | 1.52 | 0.066 |
Ocular | 40.03 | 50.09 | 1.50 | 0.0010 | 1.58 | 0.0056 | 1.58 | 0.011 | 1.61 | 0.0029 |
Renal/hepatic | 4.81 | 10.49 | 2.32 | 7.5 × 10–4 | 2.33 | 0.0056 | 2.18 | 0.012 | 2.14 | 0.013 |
Haematological | 7.39 | 12.12 | 1.73 | 0.0086 | 1.84 | 0.0095 | 1.82 | 0.013 | 1.97 | 0.0086 |