Table 2.
Participant characteristics: autistic people with ID and their respective comparison groups.
| Men |
Women |
|||
|---|---|---|---|---|
| Diagnosed with autism and ID | Comparison men | Diagnosed with autism and ID | Comparison women | |
| N individuals | 4850 | 48,500 | 1600 | 16,000 |
| N practices | 714 | 714 | 548 | 548 |
| N deaths (%) | 92 (1.90) | 415 (0.86) | 36 (2.25) | 96 (0.60) |
| Median age at death for decedents (IQR) | 49.51 (32.61–63.54) | 58.50 (41.53–68.68) | 54.54 (40.39–64.74) | 56.96 (43.05–70.08) |
| Age at cohort entry | ||||
| Median age at entry (IQR) | 22.50 (18.57–33.07) | 22.50 (18.57–33.07) | 24.48 (19.43–36.03) | 24.48 (19.43–36.03) |
| 18–24 years | 2911 (60.02) | 29,110 (60.02) | 827 (51.69) | 8270 (51.69) |
| 25–34 years | 831 (17.13) | 8310 (17.13) | 350 (21.88) | 3500 (21.88) |
| 35–44 years | 541 (11.15) | 5410 (11.15) | 205 (12.81) | 2050 (12.81) |
| 45–54 years | 360 (7.42) | 3600 (7.42) | 143 (8.94) | 1430 (8.94) |
| 55–64 years | 152 (3.13) | 1520 (3.13) | 50 (3.13) | 500 (3.13) |
| 65+ years | 55 (1.13) | 550 (1.13) | 25 (1.56) | 250 (1.56) |
| Median length of follow-up (IQR) | 3.10 (1.30–6.18) | 3.45 (1.43–6.37) | 2.94 (1.17–6.37) | 3.05 (1.19–6.34) |
| Socioeconomic status | ||||
| n Townsend score 1 (%) | 738 (15.22) | 9014 (18.59) | 242 (15.13) | 3082 (19.26) |
| n Townsend score 2 (%) | 806 (16.62) | 8598 (17.73) | 269 (16.81) | 2705 (16.91) |
| n Townsend score 3 (%) | 982 (20.25) | 9017 (18.59) | 331 (20.69) | 2887 (18.04) |
| n Townsend score 4 (%) | 776 (16.00) | 8154 (16.81) | 237 (14.81) | 2706 (16.91) |
| n Townsend score 5 (%) | 564 (11.63) | 5555 (11.45) | 198 (12.38) | 2064 (12.90) |
| n Townsend score missing (%) | 984 (20.29) | 8162 (16.83) | 323 (20.19) | 2556 (15.98) |
| Co-occurring conditions | ||||
| n epilepsy at start (%) | 985 (20.31) | 510 (1.05) | 398 (24.88) | 171 (1.07) |
| n genetic condition at start (%) | 377 (7.77) | 250 (0.52) | 165 (10.31) | 98 (0.61) |
| n SMI at start (%) | 519 (10.70) | 336 (0.69) | 186 (11.63) | 100 (0.63) |
| n ADHD at start (%) | 612 (12.62) | 721 (1.49) | 126 (7.88) | 42 (0.26) |
| n self-harm/suicide at start (%) | 265 (5.46) | 1153 (2.38) | 160 (10.00) | 832 (5.20) |
| n severe hearing impairments at start (%) | 153 (3.15) | 860 (1.77) | 68 (4.25) | 263 (1.64) |
| n severe visual impairments at start (%) | 78 (1.61) | 135 (0.28) | 49 (3.06) | 50 (0.31) |
| n severe mobility problems at start (%) | 194 (4.00) | 136 (0.28) | 82 (5.13) | 42 (0.26) |
| Year of cohort entry | ||||
| 1989–1999 | 57 (1.18) | 570 (1.18) | 27 (1.69) | 270 (1.69) |
| 2000–2009 | 1531 (31.57) | 15,310 (31.57) | 524 (32.75) | 5240 (32.75) |
| 2010–2019 | 3262 (67.26) | 32,620 (67.26) | 1049 (65.56) | 10,490 (65.56) |
Note: Abbreviations: SMI = Severe mental illness.