Table 1.
Participant characteristics: people diagnosed with autism but not ID and their respective comparison groups.
| Men |
Women |
|||
|---|---|---|---|---|
| Diagnosed with autism but not ID | Comparison men | Diagnosed with autism but not ID | Comparison women | |
| N individuals | 13,172 | 131,720 | 3958 | 39,580 |
| N practices | 773 | 773 | 688 | 688 |
| N deaths (%) | 82 (0.62) | 631 (0.48) | 17 (0.43) | 136 (0.34) |
| Median age at death for decedents (IQR) | 48.97 (28.06–64.62) | 49.53 (27.93–64.00) | 51.89 (31.02–76.24) | 55.50 (42.54–75.22) |
| Age at cohort entry | ||||
| Median age at entry (IQR) | 18.96 (18.00–25.96) | 18.96 (18.00–25.96) | 20.63 (18.00–28.91) | 20.63 (18.00–28.91) |
| 18–24 years | 9613 (72.98) | 96,130 (72.98) | 2645 (66.83) | 26,450 (66.83) |
| 25–34 years | 1769 (13.43) | 17,690 (13.43) | 614 (15.51) | 6140 (15.51) |
| 35–44 years | 912 (6.92) | 9120 (6.92) | 367 (9.27) | 3670 (9.27) |
| 45–54 years | 571 (4.33) | 5710 (4.33) | 239 (6.04) | 2390 (6.04) |
| 55–64 years | 236 (1.79) | 2360 (1.79) | 70 (1.77) | 700 (1.77) |
| 65+ years | 71 (0.54) | 710 (0.54) | 23 (0.58) | 230 (0.58) |
| Median length of follow-up (IQR) | 2.25 (0.88–4.54) | 2.62 (1.18–5.54) | 1.82 (0.77–3.69) | 2.21 (0.93–4.54) |
| Socioeconomic status | ||||
| n Townsend score 1 (%) | 2057 (15.62) | 23,991 (18.21) | 591 (14.93) | 6923 (17.49) |
| n Townsend score 2 (%) | 1916 (14.55) | 22,066 (16.75) | 625 (15.79) | 6383 (16.13) |
| n Townsend score 3 (%) | 2346 (17.81) | 23,937 (18.17) | 680 (17.18) | 7119 (17.99) |
| n Townsend score 4 (%) | 2227 (16.91) | 21,696 (16.47) | 635 (16.04) | 6507 (16.44) |
| n Townsend score 5 (%) | 1634 (12.41) | 14,959 (11.36) | 466 (11.77) | 4578 (11.57) |
| n Townsend score missing (%) | 2992 (22.71) | 25,071 (19.03) | 961 (24.28) | 8070 (20.39) |
| Co-occurring conditions | ||||
| n epilepsy at start (%) | 672 (5.10) | 1276 (0.97) | 235 (5.94) | 372 (0.94) |
| n genetic condition at start (%) | 197 (1.50) | 702 (0.53) | 55 (1.39) | 236 (0.60) |
| n SMI at start (%) | 695 (5.28) | 654 (0.50) | 262 (6.62) | 192 (0.49) |
| n ADHD at start (%) | 2048 (15.55) | 2516 (1.91) | 373 (9.42) | 170 (0.43) |
| n self-harm/suicide at start (%) | 908 (6.89) | 2536 (1.93) | 690 (17.43) | 1852 (4.68) |
| n severe hearing impairments at start (%) | 267 (2.03) | 2277 (1.73) | 110 (2.78) | 593 (1.50) |
| n severe visual impairments at start (%) | 86 (0.65) | 342 (0.26) | 34 (0.86) | 123 (0.31) |
| n severe mobility problems at start (%) | 119 (0.90) | 323 (0.25) | 40 (1.01) | 95 (0.24) |
| Year of cohort entry | ||||
| 1989–1999 | 144 (1.10) | 1440 (1.10) | 54 (1.36) | 540 (1.36) |
| 2000–2009 | 3051 (23.16) | 30,510 (23.16) | 720 (18.19) | 7200 (18.19) |
| 2010–2019 | 9977 (75.74) | 99,770 (75.74) | 3184 (80.44) | 31,840 (80.44) |
Note: Abbreviations: SMI = Severe mental illness.