Table 2.
Socio-demographic predictors of lifetime suicidality1
| In the total sample
|
Among lifetime ideators
|
|||||
|---|---|---|---|---|---|---|
| Ideation | Attempt | Plan | Attempt2 | Attempt among those with a plan | Attempt among those with no plan | |
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
|
|
|
|||||
| Gender | ||||||
| Female | 1.7* (1.4–2.1) | 2.9* (1.8–4.8) | 1.0 (0.6–1.6) | 2.4* (1.4–4.2) | 1.7 (0.6–4.6) | 3.7* (1.7–8.2) |
| Male | --- | --- | --- | --- | --- | --- |
| χ21 | 36.1* | 18.5* | 0.0 | 10.1* | 1.1 | 11.0* |
| Race/ethnicity | ||||||
| Non-Hispanic white | --- | --- | --- | --- | --- | --- |
| Non-Hispanic black | 0.5* (0.3–0.7) | 0.3* (0.2–0.6) | 0.7 (0.3–1.3) | 0.7 (0.3–1.8) | 0.3 (0.0–3.0) | 0.4 (0.1–1.7) |
| Hispanic | 1.4 (0.9–2.0) | 1.7 (0.8–3.5) | 0.7 (0.4–1.5) | 2.2 (0.8–5.6) | 2.8 (0.6–13.1) | 2.1 (0.6–6.9) |
| Other | 0.9 (0.6–1.3) | 0.7 (0.2–1.9) | 0.4 (0.1–1.2) | 1.0 (0.2–4.4) | 0.8 (0.1–4.7) | 0.7 (0.1–4.1) |
| χ23 | 36.8* | 22.2* | 5.1 | 3.5 | 3.4 | 3.3 |
| Highest level of parental education | ||||||
| Less than HS | 0.9 (0.6–1.3) | 1.0 (0.4–2.9) | 1.9 (0.9–4.2) | 1.0 (0.3–3.2) | 0.3 (0.1–1.3) | 1.6 (0.4–6.3) |
| HS | 1.0 (0.7–1.4) | 2.0* (1.0–3.9) | 1.9 (1.0–3.9) | 1.7 (0.8–4.0) | 1.3 (0.5–3.5) | 1.8 (0.5–6.3) |
| Some college | 1.4* (1.1–1.9) | 3.0* (2.0–4.6) | 2.0 (1.0–4.2) | 2.2* (1.1–4.4) | 1.5 (0.5–4.1) | 3.4* (1.4–8.4) |
| College graduate | --- | --- | --- | --- | --- | --- |
| χ23 | 8.1* | 37.9* | 5.1 | 8.6* | 5.2 | 8.5* |
| Birth order | ||||||
| Oldest | 1.1 (0.8–1.4) | 0.9 (0.5–1.5) | 0.9 (0.3–2.5) | 1.0 (0.5–2.2) | 2.0 (0.5–8.5) | 0.5 (0.2–1.0) |
| Youngest | 0.9 (0.7–1.3) | 0.8 (0.4–1.6) | 1.7 (0.7–4.0) | 0.6 (0.3–1.6) | 2.7 (0.5–14.8) | 0.1* (0.0–0.4) |
| Other | --- | --- | --- | --- | --- | --- |
| χ22 | 0.8 | 0.3 | 3.9 | 1.6 | 1.5 | 11.7* |
| Number of siblings | ||||||
| None | --- | --- | --- | --- | --- | --- |
| 1 | 0.9 (0.6–1.5) | 0.5 (0.2–1.5) | 0.7 (0.3–1.9) | 0.4 (0.1–1.2) | 0.2 (0.0–1.1) | 0.3 (0.0–1.7) |
| 2 | 0.9 (0.5–1.7) | 0.5 (0.2–1.2) | 0.6 (0.2–1.6) | 0.3 (0.1–1.0) | 0.3 (0.0–1.9) | 0.1* (0.0–0.9) |
| 3+ | 1.0 (0.6–1.6) | 0.5 (0.2–1.3) | 1.1 (0.3–3.7) | 0.4 (0.1–1.4) | 1.1 (0.1–8.2) | 0.1* (0.0–0.5) |
| χ23 | 0.1 | 2.6 | 5.6 | 3.9 | 8.5* | 9.7* |
| Number of biological parents living with adolescent | ||||||
| None | 2.8* (2.0–3.9) | 4.0* (2.3–7.0) | 1.0 (0.5–2.1) | 3.0* (1.4–6.2) | 7.1* (2.6–19.6) | 3.4* (1.1–9.8) |
| 1 | 1.8* (1.2–2.7) | 2.0* (1.1–3.8) | 1.6 (1.0–2.5) | 1.3 (0.6–2.8) | 0.9 (0.3–3.1) | 1.3 (0.5–3.3) |
| 2 | --- | --- | --- | --- | --- | --- |
| χ22 | 43.0* | 30.4* | 4.0 | 10.4* | 17.4* | 5.5 |
| χ213 | 255.6* | 336.2* | 29.4* | 119.6* | 50.0* | 34.2* |
| (n)3 | (6,483) | (6,483) | (717) | (717) | (203) | (514) |
*
Significant at the .05 level, two-sided test
1
Results are based on multivariate discrete-time survival models with person-year the unit of analysis, a logistic link function, and person-year defined as a separate dummy predictor variable for each year of life.
2
An additional control was included in this model for lifetime suicide plan
3
Denominator n for each column