Table 3. Comparison between the ID (age–sex standardised) and non-ID groups of selected nervous system medication subgroups: rates per 100 encounters.
| Medication subgroup | ID group | ID group (age–sex standardised) | Non-ID group | ||
|---|---|---|---|---|---|
| n | Per 100 encounters (95% CI) | Per 100 encounters (95% CI) | n | Per 100 encounters (95% CI) | |
| Anticonvulsantsa | 54 | 7.8 (4.7 to 11.0) | 6.0 (3.2 to 8.7) | 5764 | 0.6 (0.6 to 0.6) |
| Antipsychoticsa | 48 | 7.0 (4.8 to 9.1) | 6.1 (3.7 to 8.5) | 5837 | 0.6 (0.6 to 0.6) |
| Antidepressants | 30 | 4.3 (2.7 to 6.0) | 3.5 (1.9 to 5.2) | 36 054 | 3.7 (3.6 to 3.8) |
| Antianxiety | 12 | 1.7 (0.8 to 2.7) | 1.6 (0.6 to 2.6) | 18 859 | 1.9 (1.9 to 2.0) |
| Sedatives or hypnotics | 10 | 1.4 (0.6 to 2.3) | 1.3 (0.4 to 2.3) | 16 296 | 1.7 (1.6 to 1.7) |
aNon-overlapping 95% confidence intervals, comparing ID group (age–sex standardised) with non-ID group.
CI = confidence intervals. ID = intellectual disability.