Table 2.
Mental Health Diagnoses of Young Children (2–7 Years) Filling Antipsychotic Prescriptions in 2009 or 2017
| 2009 antipsychotic users No. (column %) | 2017 antipsychotic users No. (column %) | Total 2017 vs. 2009 P | ||||||
|---|---|---|---|---|---|---|---|---|
| Total n=8,035 | Boys n=6,256 | Girls n=1,779 | Total n=2,501 | Boys n=1,929 | Girls n=572 | Girl vs. boy p-value | ||
| Diagnostic group, hierarchical classification | ||||||||
| Schizophrenia, psychotic-related disorder (1) | 119 (1.5) | 91 (1.5) | 28 (1.6) | 42 (1.7) | 29 (1.5) | 13 (2.3) | 0.21 | 0.48 |
| PDD; Intellectual disability (2) | 2,185 (27.2) | 1,853 (29.6) | 332 (18.7) | 940 (37.6) | 751 (38.9) | 189 (33.0) | 0.01 | <0.01 |
| Bipolar disorder (3) | 773 (9.6) | 556 (8.9) | 217 (12.2) | 119 (4.8) | 84 (4.4) | 35 (6.1) | 0.08 | <0.01 |
| Conduct or disruptive behavior disorder, no ADHD (4) | 415 (5.2) | 293 (4.7) | 122 (6.9) | 92 (3.7) | 64 (3.3) | 28 (4.9) | 0.08 | <0.01 |
| Conduct or disruptive behavior disorder and ADHD (5) | 819 (10.2) | 643 (10.3) | 176 (9.9) | 431 (17.2) | 352 (18.2) | 79 (13.8) | 0.01 | <0.01 |
| ADHD (6) | 1,946 (24.2) | 1,543 (24.7) | 403 (22.7) | 440 (17.6) | 333 (17.3) | 107 (18.7) | 0.43 | <0.01 |
| Depression, anxiety, adjustment disorder (7)a | 336 (4.2) | 209 (3.3) | 127 (7.1) | 85 (3.4) | 53 (2.7) | 32 (5.6) | <0.01 | 0.08 |
| Other, unspecified mood disorder (8) | 158 (2.0) | 110 (1.8) | 48 (2.7) | (1.7)b | (1.8)b | (1.6)b | 0.76 | 0.43 |
| Other mental health diagnosis (9) | 181 (2.3) | 123 (2.0) | 58 (3.3) | 44 (1.8) | 27 (1.4) | 17 (3.0) | 0.01 | 0.14 |
| No mental health diagnosis (10) | 1,103 (13.7) | 835 (13.3) | 268 (15.1) | 265 (10.6) | 202 (10.5) | 63 (11.0) | 0.71 | <0.01 |
| Any mental health diagnosis | 6,932 (86.3) | 5,421 (86.7) | 1,511 (84.9) | 2,236 (89.4) | 1,727 (89.5) | 509 (89.0) | 0.71 | <0.01 |
Note: ADHD = attention-deficit/hyperactivity disorder; PDD = pervasive developmental disorder
a
Includes post-traumatic stress disorder (PTSD) and obsessive–compulsive disorder (OCD)
b
Numbers not displayed due to low cell count in one of the strata