Table A.11.1a.
Adjusted Hazard Ratios for Serious Cardiovascular Events, According to Use of ADHD Medications, Restricted to New Users of ADHD Medications.
| ADHD medication use | Person- years |
Events | Rate/100,000 person-years |
Hazard Ratio† |
95% confidence interval |
|---|---|---|---|---|---|
| Nonuser | 1,597,962 | 49 | 3.07 | 1.00 | Reference |
| Former user | 376,456 | 19 | 5.05 | 1.13 | 0.60–2.13 |
| Current User | 192,040 | 4 | 2.08 | 0.73 | 0.24–2.10 |
†
Hazard ratios estimated with Cox regression models which included site-specific propensity score decile, site, medical conditions (serious cardiovascular disease, serious chronic illness), psychiatric conditions (major psychiatric illness, substance abuse, and antipsychotic use), utilization variables (medical hospitalization and general medical care access), age, and calendar year.