Table 3.
Correlations in sample and by group between pain sensitivity and behavioral measures.
| Heat pain | Pain-rating curve | Sustained heat | ||
|---|---|---|---|---|
| Threshold | Slope | Low | High | |
| SRS-2 | ||||
| All | −0.112 | 0.437† | 0.453† | 0.386* |
| TD | 0.212 | 0.131 | 0.322 | 0.185 |
| ASD | −0.308 | 0.516* | 0.359 | 0.565* |
| BDI-II | ||||
| All | 0.114 | 0.268 | 0.281 | 0.298 |
| TD | 0.055 | 0.087 | 0.251 | 0.191 |
| ASD | 0.167 | 0.161 | 0.221 | 0.206 |
| PASS-20 | ||||
| All | −0.281 | 0.366* | 0.384* | 0.455† |
| TD | −0.081 | −0.201 | 0.118 | 0.255 |
| ASD | −0.454* | 0.626† | 0.385 | 0.590† |
| FPQ-III | ||||
| All | 0.056 | 0.313 | 0.399* | 0.333* |
| TD | 0.231 | −0.197 | 0.265 | 0.219 |
| ASD | −0.040 | 0.473* | 0.399 | 0.360 |
| S-PCS | ||||
| All | −0.145 | 0.594‡ | 0.385* | 0.591‡ |
| TD | −0.113 | 0.309 | −0.016 | 0.355 |
| ASD | −0.124 | 0.768‡ | 0.794‡ | 0.699‡ |
*
Spearman's r: P < 0.05.
†
Spearman's r: P < 0.01.
‡
Spearman's r: P < 0.001.
ASD, autism spectrum disorder; BDI, Beck Depression Inventory; FPQ-III, Fear of Pain Questionnaire-III; PASS, Pain Anxiety Symptoms Scale; S-PCS, Situational Pain Catastrophizing Scale; SRS, Social Responsiveness Scale.