Table 5.
Detail of variables decision tree.
| Condition | Item | Answer | |
|---|---|---|---|
| Node 3 (NSR) | |||
| OQ 8 | <0.5 | I have thoughts of ending my life | Never |
| RFL 25 | ≥4.5 | I am too stable to kill myself | Quite important and extremely important |
| Node 6 (NSR) | |||
| OQ 8 | <0.5 | I have thoughts of ending my life | Never |
| RFL 25 | <4.5 | I am too stable to kill myself | Not at all important, quite unimportant, somewhat unimportant, and somewhat important |
| OQ 45 | ≥1.5 | I have headaches | Sometimes, frequently, and always |
| DEQ 19 | ≥6.5 | I become frightened when I feel alone | Strongly agree |
| Node 8 (NSR) | |||
| OQ 8 | <0.5 | I have thoughts of ending my life | Never |
| RFL 25 | <4.5 | I am too stable to kill myself | Not at all important, quite unimportant, somewhat unimportant, and somewhat important |
| OQ 45 | ≥1.5 | I have headaches | Sometimes, frequently, and always |
| DEQ 19 | <6.5 | I become frightened when I feel alone | Strongly disagree, disagree, fairly agree, agree, and strongly agree |
| OQ 31 | <1.5 | I am satisfied with my life | Frequently and always |
| Node 11 (NSR) | |||
| OQ 8 | <0.5 | I have thoughts of ending my life | Never |
| RFL 25 | <4.5 | I am too stable to kill myself | Not at all important, quite unimportant, somewhat unimportant, and somewhat important |
| OQ 45 | ≥1.5 | I have headaches | Sometimes, frequently, and always |
| DEQ 19 | <6.5 | I become frightened when I feel alone | Strongly disagree, disagree, fairly agree, agree, and strongly agree |
| OQ 31 | ≥1.5 | I am satisfied with my life | Sometimes, rarely, and never |
| DEQ 16 | <5.5 | There are times when I feel “empty” inside | Strongly disagree, disagree, fairly agree, and agree |
| RFL 38 | ≥1.5 | I am afraid of the actual “act” of killing myself | Quite unimportant, somewhat unimportant, somewhat important, quite important, and extremely important |
| Node 12 (SR) | |||
| OQ 8 | <0.5 | I have thoughts of ending my life | Never |
| RFL 25 | <4.5 | I am too stable to kill myself | Not at all important, quite unimportant, somewhat unimportant, and somewhat important |
| OQ 45 | ≥1.5 | I have headaches | Sometimes, frequently, and always |
| DEQ 19 | <6.5 | I become frightened when I feel alone | Strongly disagree, disagree, fairly agree, agree, and strongly agree |
| OQ 31 | ≥1.5 | I am satisfied with my life | Sometimes, rarely, and never |
| DEQ 16 | <5.5 | There are times when I feel “empty” inside | Strongly disagree, disagree, fairly agree, and agree |
| RFL 38 | <1.5 | I am afraid of the actual “act” of killing myself | Quite unimportant |
| Node 13 (SR) | |||
| OQ 8 | <0.5 | I have thoughts of ending my life | Never |
| RFL 25 | <4.5 | I am too stable to kill myself | Not at all important, quite unimportant, somewhat unimportant, and somewhat important |
| OQ 45 | ≥1.5 | I have headaches | Sometimes, frequently, and always |
| DEQ 19 | <6.5 | I become frightened when I feel alone | Strongly disagree, disagree, fairly agree, agree, and strongly agree |
| OQ 31 | ≥1.5 | I am satisfied with my life | Sometimes, rarely, and never |
| DEQ 16 | >5.5 | There are times when I feel “empty” inside | Strongly agree |
| Node 15 (NSR) | |||
| OQ 8 | <0.5 | I have thoughts of ending my life | Never |
| RFL 25 | <4.5 | I am too stable to kill myself | Not at all important, quite unimportant, somewhat unimportant, and somewhat important |
| OQ 45 | <1.5 | I have headaches | Never and rarely |
| DEQ 56 | ≥5.5 | In my relationships with others, I am very concerned about what they can give to me | Strongly agree |
| Node 16 (SR) | |||
| OQ 8 | <0.5 | I have thoughts of ending my life | Never |
| RFL 25 | <4.5 | I am too stable to kill myself | Not at all important, quite unimportant, somewhat unimportant, and somewhat important |
| OQ 45 | <1.5 | I have headaches | Never and rarely |
| DEQ 56 | <5.5 | In my relationships with others, I am very concerned about what they can give to me | Strongly disagree, disagree, fairly agree, agree, and strongly agree |
| Node 20 (NSR) | |||
| OQ 8 | ≥0.5 | I have thoughts of ending my life | Rarely, sometimes, frequently, and always |
| OQ 13 | <1.5 | I am a happy person | Frequently and always |
| DEQ 48 | ≥2.5 | I feel good about myself whether I succeed or fail | Disagree, fairly agree, agree, and strongly agree |
| RFL 45 | ≥2.5 | I see no reason to hurry death along | Somewhat unimportant, somewhat important, quite important, and extremely important |
| Node 21 (SR) | |||
| OQ 8 | ≥0.5 | I have thoughts of ending my life | Rarely, sometimes, frequently, and always |
| OQ 13 | <1.5 | I am a happy person | Frequently and always |
| DEQ 48 | ≥2.5 | I feel good about myself whether I succeed or fail | Disagree, fairly agree, agree, and strongly agree |
| RFL 45 | <2.5 | I see no reason to hurry death along | Not important and quite unimportant |
| Node 22 (SR) | |||
| OQ 8 | ≥0.5 | I have thoughts of ending my life | Rarely, sometimes, frequently, and always |
| OQ 13 | <1.5 | I am a happy person | Frequently and always |
| DEQ 48 | <2.5 | I feel good about myself whether I succeed or fail | Strongly disagree |
| Node 25 (NSR) | |||
| OQ 8 | ≥0.5 | I have thoughts of ending my life | Rarely, sometimes, frequently, and always |
| OQ 13 | ≥1.5 | I am a happy person | Never, rarely, and sometimes |
| RFL 12 | ≥5.5 | Live is all we have and is better than nothing | Extremely important |
| DEQ 3 | ≥6.5 | I tend to be satisfied with my current plans and goals, rather than striving for higher goals | Strongly agree |
| Node 26 (SR) | |||
| OQ 8 | ≥0.5 | I have thoughts of ending my life | Rarely, sometimes, frequently, and always |
| OQ 13 | ≥1.5 | I am a happy person | Never, rarely, and sometimes |
| RFL 12 | ≥5.5 | Live is all we have and is better than nothing | Extremely important |
| DEQ 3 | <6.5 | I tend to be satisfied with my current plans and goals, rather than striving for higher goals | Strongly agree, agree, fairly agree, disagree, strongly disagree, and total disagree |
| Node 27 (SR) | |||
| OQ8 | ≥0.5 | I have thoughts of ending my life | Rarely, sometimes, frequently, and always |
| OQ13 | ≥1.5 | I am a happy person | Never, rarely, and sometimes |
| RFL 12 | <5.5 | Live is all we have and is better than nothing | Quite unimportant, somewhat unimportant, somewhat important, and quite important |
NSR, non-suicide risk (without risk of ideation or attempt); SR, with suicide risk; RFL, reasons for living; OQ, Outcome Questionnaire; DEQ, Depressive Experience Questionnaire.