Table 3. Associations Between Lifetime Psychotic Experiences and Subsequent Onset of Suicidal Ideation, Plans, and Attempts in Each of 4 Life Course Stages, With and Without Adjustment for Antecedent Mental Disorders.
| Category | OR (95% CI) | Test for the Significance of the Slope Differences Across 4 Life Course Stages | Test for Significant Differences Between Childhood and Other Age Groups | |||||
|---|---|---|---|---|---|---|---|---|
| Childhood (≤12 y) | Adolescence (Aged 13-19 y) | Young Adulthood (Aged 20-29 y) | Later Adulthood (≥30 y) | χ23 | P Value | χ21 | P Value | |
| Basic Demographic Adjustmentsa | ||||||||
| Ideation | 4.0 (2.3-6.8) | 3.3 (2.6-4.2) | 3.0 (2.3-3.9) | 2.7 (2.0-3.6) | 16.4 | <.001 | 14.7 | <.001 |
| Plans | 7.8 (3.4-17.9) | 3.9 (2.9-5.3) | 3.2 (2.3-4.5) | 2.7 (1.8-3.9) | 20.6 | <.001 | 17.6 | <.001 |
| Attempts | 5.4 (2.6-11.3) | 3.0 (2.1-4.3) | 3.1 (2.1-4.6) | 3.1 (1.9-5.1) | 10.8 | .003 | 8.8 | .01 |
| Adjusted for Antecedent Mental Disordersb | ||||||||
| Ideation | 2.8 (1.5-5.0) | 2.4 (1.8-3.1) | 2.3 (1.8-3.0) | 1.9 (1.4-2.6) | 21.2 | <.001 | 19.2 | <.001 |
| Plans | 5.5 (2.2-13.8) | 2.5 (1.8-3.5) | 2.2 (1.6-3.1) | 1.7 (1.1-2.5) | 26.1 | <.001 | 22.2 | <.001 |
| Attempts | 3.2 (1.4-7.6) | 1.9 (1.3-2.9) | 2.0 (1.3-3.1) | 1.8 (1.0-3.2) | 16.5 | <.001 | 14.0 | <.001 |
Abbreviation: OR, odds ratio.
a
Any psychotic experience was used as a predictor of suicidal thoughts and behaviors outcomes in a discrete-time survival model controlling for age cohorts, sex, person-year dummies, and country.
b
These models additionally control for 21 other antecedent mental disorders.