Table 1 Descriptive statistics for the 17 items comprising the full-length COMM
Item (“In the past 30 days…”) | Training dataset (n= 214) | Test dataset (n= 201) | ||
|---|---|---|---|---|
Mean (SD) | Median (IQR*) | Mean (SD) | Median (IQR*) | |
1. How often have you had trouble with thinking clearly or had memory problems? | 1.3 (1.1) | 1.0 (2.0) | 1.5 (1.2) | 1.0 (2.0) |
2. How often do people complain that you are not completing necessary tasks? (i.e., doing things that need to be done, such as going to class, work, or appointments) | 0.8 (1.1) | 0.0 (1.0) | 0.8 (1.0) | 0.0 (1.0) |
3. How often have you had to go to someone other than your prescribing physician to get sufficient pain relief from your medications? (i.e. another doctor, the emergency room) | 0.3 (0.7) | 0.0 (0.0) | 0.2 (0.6) | 0.0 (0.0) |
4. How often have you taken your medications differently from how they are prescribed? | 0.6 (0.9) | 0.0 (1.0) | 0.6 (0.9) | 0.0 (1.0) |
5. How often have you seriously thought about hurting yourself? | 0.4 (0.8) | 0.0 (1.0) | 0.2 (0.6) | 0.0 (0.0) |
6. How much of your time was spent thinking about opioid medications (having enough, taking them, dosing schedule, etc.)? | 1.0 (1.0) | 1.0 (1.0) | 0.8 (1.0) | 1.0 (1.0) |
7. How often have you been in an argument? | 1.1 (0.9) | 1.0 (1.0) | 1.1 (1.0) | 1.0 (2.0) |
8. How often have you had trouble controlling your anger (e.g., road rage, screaming, etc.)? | 0.7 (0.8) | 1.0 (1.0) | 0.8 (1.0) | 0.0 (1.0) |
9. How often have you needed to take pain medications belonging to someone else? | 0.1 (0.4) | 0.0 (0.0) | 0.0 (0.2) | 0.0 (0.0) |
10. How often have you been worried about how you’re handling your medications? | 0.5 (0.9) | 0.0 (1.0) | 0.4 (0.8) | 0.0 (1.0) |
11. How often have others been worried about how you’re handling your medications? | 0.5 (0.9) | 0.0 (1.0) | 0.3 (0.7) | 0.0 (0.0) |
12. How often have you had to make an emergency phone call or show up at the clinic without an appointment? | 0.2 (0.5) | 0.0 (0.0) | 0.1 (0.5) | 0.0 (0.0) |
13. How often have you gotten angry with people? | 1.2 (0.8) | 1.0 (1.0) | 1.2 (1.0) | 1.0 (2.0) |
14. How often have you had to take more of your medication than prescribed? | 0.6 (0.8) | 0.0 (1.0) | 0.5 (0.8) | 0.0 (1.0) |
15. How often have you borrowed pain medication from someone else? | 0.1 (0.5) | 0.0 (0.0) | 0.0 (0.2) | 0.0 (0.0) |
16. How often have you used your pain medicine for symptoms other than for pain (e.g. to help you sleep, improve your mood, or relieve stress)? | 0.2 (0.6) | 0.0 (0.0) | 0.2 (0.6) | 0.0 (0.0) |
17. How often have you had to visit the emergency room? | 0.4 (0.7) | 0.0 (1.0) | 0.2 (0.5) | 0.0 (0.0) |