Table 2.
All Study Variable Means, Standard Deviations and Correlations.
| Study 1 – Undergraduates | 1. | 2. | 3. | 4. | -- | -- | N | Mean | SD | Range | Skew |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. INQ-18 Thwarted Belongingness | -- | 334 | 24.34 | 11.80 | 9–57 | 0.41 | |||||
| 2. INQ-18 Perceived Burdensomeness | 0.781** | -- | 334 | 20.24 | 10.95 | 9–61 | 0.90 | ||||
| 3. SBQ-R Suicide Risk | 0.406** | 0.433** | -- | 336 | 4.74 | 2.73 | 3–14 | 1.58 | |||
| 4. SPSI-R Social Problem-Solving Deficits | 0.481** | 0.488** | 0.319** | -- | 334 | 31.13 | 13.30 | 4–78 | 0.37 | ||
|
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| Study 2 – Undergraduates | 1. | 2. | 3. | 4. | -- | -- | N | Mean | SD | Range | Skew |
|
| |||||||||||
| 1. INQ-15 Thwarted Belongingness | -- | 105 | 21.37 | 11.21 | 9–59 | 1.19 | |||||
| 2. INQ-15 Perceived Burdensomeness | 0.467** | -- | 105 | 8.41 | 4.69 | 6–32 | 1.45 | ||||
| 3. DSI-SS Suicidal Ideation | 0.457** | 0.431** | -- | 105 | 0.39 | 1.03 | 0–5 | 2.21 | |||
| 4. PSI-R-SF Social Problem-Solving Deficits | 0.219* | 0.330** | 0.221* | -- | 105 | 41.74 | 12.31 | 16–84 | 0.97 | ||
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| Study 3 – Homeless Individuals | 1. | 2. | 3. | 4. | -- | -- | N | Mean | SD | Range | Skew |
|
| |||||||||||
| 1. INQ-15 Thwarted Belongingness | -- | 53 | 36.09 | 13.40 | 9–63 | −0.18 | |||||
| 2. INQ-15 Perceived Burdensomeness | 0.539** | -- | 53 | 15.98 | 9.97 | 5–42 | 0.90 | ||||
| 3. SBQ-R Suicide Risk | 0.476** | 0.612** | -- | 53 | 7.32 | 4.00 | 3–16 | 0.65 | |||
| 4. SPSI-R Social Problem-Solving Deficits | 0.360* | 0.391* | 0.391* | -- | 53 | 37.36 | 17.43 | 4–80 | 0.12 | ||
|
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| Study 4 – Primary Care Patients | 1. | 2. | 3. | 4. | 5. | 6. | N | Mean | SD | Range | Skew |
|
| |||||||||||
| 1. T1 INQ-15 Thwarted Belongingness | -- | 216 | 31.24 | 14.00 | 9–63 | 0.06 | |||||
| 2. T1 INQ-15 Perceived Burdensomeness | 0.634** | -- | 222 | 15.86 | 10.67 | 6–42 | 0.91 | ||||
| 3. T1 SBQ-R Suicide Risk | 0.519** | 0.614** | -- | 217 | 6.25 | 3.66 | 3–18 | 1.01 | |||
| 4. T2 INQ-15 Thwarted Belongingness | 0.525** | 0.480** | 0.472** | -- | 98 | 27.17 | 13.44 | 9–57 | 0.43 | ||
| 5. T2 INQ-15 Perceived Burdensomeness | 0.411** | 0.593** | 0.480** | 0.701** | -- | 99 | 14.15 | 10.39 | 6–42 | 1.28 | |
| 6. T2 SBQ-R Suicide Risk | 0.465** | 0.556** | 0.755** | 0.487** | 0.586** | -- | 99 | 5.98 | 3.61 | 3–18 | 1.22 |
| 7. T1 SPSI-R Social Problem-Solving Deficits | 0.455** | 0.479** | 0.381** | 0.392** | 0.392** | 0.365** | 221 | 34.90 | 18.39 | 1–96 | 0.66 |
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| Study 5 – Military Service Members | 1. | 2. | 3. | 4. | 5. | 6. | N | Mean | SD | Range | Skew |
|
| |||||||||||
| 1. T1 SPS Thwarted Belongingness | -- | 329 | 11.72 | 4.50 | 3–21 | −0.04 | |||||
| 2. T1 SPS Perceived Burdensomeness | 0.711** | -- | 329 | 8.44 | 3.48 | 4–16 | 0.33 | ||||
| 3. T1 MSSI Suicidal Ideation | 0.423** | 0.521** | -- | 329 | 23.39 | 10.32 | 0–51 | −0.22 | |||
| 4. T2 SPS Thwarted Belongingness | 0.427** | 0.325** | 0.282** | -- | 251 | 9.35 | 4.06 | 3–21 | 0.40 | ||
| 5. T2 SPS Perceived Burdensomeness | 0.255** | 0.399** | 0.313** | 0.652** | -- | 251 | 6.80 | 2.82 | 3–16 | 0.95 | |
| 6. T3 MSSI Suicidal Ideation | 0.156* | 0.173* | 0.239** | 0.262** | 0.245* | -- | 139 | 3.78 | 8.37 | 0–40 | 1.29 |
| 7. T1 PSI Social Problem-Solving Deficits | 0.377** | 0.471** | 0.369** | 0.198* | 0.237** | 0.214* | 308 | 108.32 | 25.39 | 35–175 | −0.15 |
Note.
*
p < 0.05;
**
p ≤ 0.001.
INQ = Interpersonal Needs Questionnaire. SBQ-R = Suicidal Behavior Questionnaire – Revised. DSI-SS = Depressive Symptom Inventory- Suicidality Subscale. PSI-R-SF = Problem Solving Inventory-Revised-Short-Form. SPSI-R = Social Problem Solving Inventory-Revised. SPS = Suicide Probability Scale. MSSI = Modified Scale for Suicidal Ideation. PSI = Problem Solving Inventory. Study 4: T1 = Time 1. T2 = Time 2, 6 months after T1. Study 5: T2 = Time 2, 1 month after T1. T3 = Time 3, 6 months after T1.