Introduction
Suicidality in Autism Spectrum Conditions
Health and Psychological Impact of Short Sleep Duration
Short Sleep Duration and Increased Risk of Suicidality
Sleep Disturbance in Autism
The Present Study
Method
Participants
M | SD | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
---|---|---|---|---|---|---|---|---|---|
1. Age | 23.50 | 8.24 | – | ||||||
2. Sex (female) | 489 | – | .16*** | – | |||||
3. Autism traits | 3.96 | 2.72 | .24*** | .32*** | – | ||||
4. AQ-short suggested diagnosis (Yes) | 175 | – | .25*** | .33*** | .86*** | – | |||
5. Self-reported diagnosis (Yes) | 143 | – | .29*** | .36*** | .69*** | .70*** | – | ||
6. Sleep duration score (PSQI cat.) | .61 | 0.92 | .09* | .09* | .22*** | .16*** | .09* | – | |
7. Sleep duration (mins) | 425 | 98.23 | − .11** | − .07 | − .15*** | − .11** | − .06 | − .837*** | – |
8. Suicide ideation | 1.65 | 2.58 | .06 | .20*** | .37*** | .31*** | .33*** | .23*** | − .17** |
Materials
Procedure
Analysis Procedure
Results
Autism Traits and Sleep Duration Predicting Suicide Ideation
Model | Variable | B | S.E. B | 95% CI BCa for B | β | |
---|---|---|---|---|---|---|
Lower | Upper | |||||
1. R2 = .04, p < .001 | Constant | 1.18 | .30 | .59 | 1.77 | |
Age | .01 | .01 | − .02 | .03 | .03 | |
Sex | 1.17 | .23 | .71 | 1.62 | .20*** | |
2. ΔR2 = .12, p < .001 | Constant | 1.91 | .29 | 1.34 | 2.48 | |
Autism traits | .87 | .10 | .68 | 1.07 | .34*** | |
Sleep duration | − .31 | .09 | − .50 | − .13 | − .12*** | |
3. ΔR2 = .003, p > .05 | Constant | 1.94 | .29 | 1.36 | 2.51 | |
Autism traits × sleep duration | .14 | .09 | − .04 | .31 | .06 |