Table 2.
Peak precipitated withdrawal symptom factors.
| Scale | Factor 1 symptoms | Loading value | Factor 2 symptoms | Loading value | Did not load |
|---|---|---|---|---|---|
| Subjective Opiate Withdrawal Scale (SOWS) | Nausea | 0.846 | Yawning | 0.847 | – |
| Vomiting | 0.807 | Eyes tearing (lacrimation) | 0.838 | – | |
| Stomach cramps | 0.705 | Nose running (rhinorrhea) | 0.812 | – | |
| Bones and muscle aches | 0.682 | Perspiring | 0.534 | – | |
| Gooseflesh | 0.636 | Hot flashes | 0.501 | – | |
| Shaking | 0.633 | – | – | – | |
| Cold flashes | 0.622 | – | – | – | |
| Restless | 0.620 | – | – | – | |
| Anxious | 0.608 | – | – | – | |
| Feel like using | 0.602 | – | – | – | |
| Muscle twitching | 0.578 | – | – | – | |
| Clinical Opiate Withdrawal Scale (COWS) | Gastrointestinal upset | 0.725 | Pupil size | 0.700 | Sweating |
| Bone or joint aches | 0.716 | Runny nose or tearing | 0.638 | Pulse | |
| Anxiety or irritability | 0.712 | – | – | ||
| Tremor | 0.670 | – | – | ||
| Gooseflesh skin | 0.637 | – | – | ||
| Restlessness | 0.581 | – | – | ||
| Yawning | 0.528 | – | – |
Factors based upon principal component analysis with Varimax rotation using data collected from time of peak severity report.