Table 1.
Participant characteristics grouped by patient-reported dose satisfaction (N = participant-observations), with significant p-values from unadjusted generalized estimating equations
| Characteristic | Patient-reported Dose Satisfaction Observations | ||
|---|---|---|---|
| Overall N = 545a,d | Satisfied with Dose N = 423a,d | Wants Higher Dose N = 122a,d | |
| Ageb | 45.30 (8.91) | 45.86 (8.69) | 43.37 (9.43) |
| Genderb | |||
| Female | 155 (28%) | 110 (26%) | 45 (37%) |
| Male | 390 (72%) | 313 (74%) | 77 (63%) |
| First Nations, Métis, or Inuitb | |||
| No | 385 (71%) | 311 (74%) | 74 (61%) |
| Yes* | 160 (29%) | 112 (26%) | 48 (39%) |
| Educationb | |||
| Less than high school | 230 (42%) | 172 (41%) | 58 (48%) |
| High School | 138 (25%) | 103 (24%) | 35 (29%) |
| At least some post-secondary | 177 (32%) | 148 (35%) | 29 (24%) |
| EQ5D-CAN Scorec | 0.79, (0.21) | 0.80, (0.21) | 0.76, (0.21) |
| OTI Total Health Score (without gynecological subscale)** c | 46.88 (25.98) | 44.51 (26.36) | 54.96 (22.97) |
| Ever Attempted Suicideb | |||
| No | 398 (74%) | 327 (78%) | 71 (59%) |
| Yes* | 142 (26%) | 92 (22%) | 50 (41%) |
| Age First Injected Any Drug* b | 23.17 (8.06) | 23.68 (8.18) | 21.40 (7.38) |
| Days with heroin use in past month* c | 4.35 (8.25) | 3.76 (7.62) | 6.38 (9.90) |
| Number of days (out of past 30) patient smoked crack cocaine c | 5.14 (10.28) | 5.00 (10.29) | 5.63 (10.29) |
| FTND c | |||
| Non-Smoker | 66 (12%) | 63 (15%) | 3 (2.5%) |
| Smoker** | 478 (88%) | 360 (85%) | 118 (98%) |
| Whether patients were troubled to any extent by any drug problems3 | |||
| No | 257 (47%) | 218 (52%) | 39 (32%) |
| Yes** | 288 (53%) | 205 (48%) | 83 (68%) |
| MAP Psychological Health Score** c | 8.49 (7.37) | 7.68 (6.95) | 11.29 (8.12) |
| Average Daily Dose Prescribedc | 562.59 (261.58) | 555.93 (257.78) | 585.91 (274.28) |
| Patient's rating of doctor involving them in decisions as much as they wantedc | |||
| Less Than Excellent | 275 (52%) | 199 (48%) | 76 (65%) |
| Excellent** | 254 (48%) | 213 (52%) | 41 (35%) |
| Drug Liking VAS*** c | 74.22 (24.17) | 78.08 (21.08) | 61.02 (29.05) |
Values are bolded if there is a significant (p < 0.05) difference in means between dose-satisfaction groups (for continuous variables) or significant difference in distribution of dose-satisfaction status between one or more levels of a categorical variable and the (not bolded) reference level
Abbreviations: EQ5D-CAN Canadian version of the EuroQol 5 Dimension descriptive system for health-related quality of life, OTI Opiate Treatment Index, FTND Fagerström Test of Nicotine Dependence, MAP Maudsley Addiction Profile, VAS Visual Assessment Scale
*p < 0.05
**p < 0.01
***p < 0.001
a n (%); mean (SD)
b Variable collected at SALOME baseline
c Variable reflects prior 30 days at the time of RUTH study visit
d The N here is observations and each participant has up to 5 observations represented, therefore, some participants have observations) represented in both -groups