Table 1.
Characteristics of the Cohort of Individuals With Their First Diagnosis With Schizophrenia in Finland Between 2000 and 2014
| Covariate | Total Exposed Cohort (n = 3343) | |
|---|---|---|
| n | % | |
| Sociodemographic | ||
| Male gender | 2117 | 63.32 |
| Age | ||
| <25 | 1218 | 36.4 |
| 25–34 | 1471 | 44.0 |
| ≥35 | 654 | 19.6 |
| Duration of first hospital stay due to schizophrenia | ||
| <1 mo | 693 | 20.7 |
| 1–2 mo | 718 | 21.5 |
| 2–4 mo | 907 | 27.1 |
| ≥4 mo | 1025 | 30.7 |
| History of comorbid psychiatric conditions | ||
| Substance use disorder | 564 | 16.87 |
| Suicidality | 11 | 0.33 |
| Intellectual disability | 49 | 1.46 |
| History of comorbid medical conditions | ||
| Cancer | 18 | 0.54 |
| Cardiovascular disease | 108 | 3.23 |
| Diabetes | 19 | 0.57 |
| Asthma/COPD | 106 | 3.23 |
| Co-treatment upon treatment initiation | ||
| Antidepressant | 788 | 23.57 |
| Antiparkinsonian | 56 | 1.67 |
| Benzodiazepine | 367 | 10.98 |
| Z-drugs | 103 | 3.08 |
| Lithium | 93 | 2.78 |
| Mood stabilizer | 349 | 10.44 |
| Number of treatment episodes during follow-up | ||
| 1 | 161 | 4.8 |
| 2 | 551 | 16.5 |
| 3 | 336 | 10.1 |
| 4–7 | 1280 | 38.3 |
| 8–11 | 609 | 18.2 |
| 12–15 | 253 | 7.6 |
| >15 | 153 | 4.6 |
Note: COPD, chronic obstructive pulmonary disease.