| ID group patients (n = 690) | Non-ID group patients (n = 970 641) | ||||
|---|---|---|---|---|---|
| n (%) | 95% CI | n (%) | 95% CI | ||
| Sex (Missing data: ID, n = 9; non-ID, n = 6968) | Male | 348 (51.1) | 47.2 to 55.0 | 392 719 (40.8) | 40.5 to 41.0 |
| Female | 333 (48.9) | 45.0 to 52.8 | 570 954 (59.2) | 59.0 to 59.5 | |
| Age group, years | <5 | 26 (3.8) | 2.3 to 5.3 | 61 753 (6.4) | 6.3 to 6.5 |
| 5–14 | 78 (11.3) | 8.6 to 14.0 | 51 987 (5.4) | 5.3 to 5.4 | |
| 15–24 | 104 (15.1) | 12.0 to 18.1 | 86 392 (8.9) | 8.8 to 9.0 | |
| 25–44 | 223 (32.3) | 28.6 to 36.0 | 226 095 (23.3) | 23.1 to 23.5 | |
| 45–64 | 212 (30.7) | 26.8 to 34.7 | 269 729 (27.8) | 27.6 to 28.0 | |
| 65–74 | 30 (4.3) | 2.7 to 6.0 | 123 370 (12.7) | 12.6 to 12.9 | |
| ≥75 | 17 (2.5) | 1.2 to 3.7 | 151 315 (15.6) | 15.3 to 15.8 | |
There are highly significant differences between the ID and non-ID groups:
For sex: P< 0.001; Rao-Scott χ2 adjusted for GP cluster effect (RS-χ2) 28.7; 1 df.
For age-group: P<0.001; RS-χ2 186.6; 4 df.
Encounters with missing age data excluded from above table: ID 11/701; non-ID 8058/978 699.
CI = confidence intervals. ID = intellectual disability.