Table 1.
Descriptive Statistics for Study Variables, n (%) or Mean (standard deviation)
| Men (n = 132) | Women (n = 54) | Individuals in groups with one-third or more women (n = 90) | Individuals in groups with more than two-thirds men (n = 96) | Full Available Sample (MBRP and RP conditions only; n = 186) | |
|---|---|---|---|---|---|
| Self-reported Race/Ethnicity | |||||
| Non-Hispanic White | 71 (53.8%) | 29 (53.7%) | 41 (46.1%)* | 57 (60.6%)* | 100 (53.7%) |
| Racial/Ethnic Minority | 61 (46.2%) | 25 (46.3%) | 48 (53.9%)* | 37 (39.4%)* | 86 (46.2%) |
| Age | 38.34 (11.05) | 40.73 (10.41) | 11.15 (10.98) | 11.97 (12.51) | 39.03 (10.89) |
| Educational Level | |||||
| High School Degree/GED or Less | 71 (54.2%) | 25 (46.3%) | 39 (43.8%)* | 57 (59.4%)* | 96 (51.9%) |
| Completed at Least some College | 60 (45.8%) | 29 (53.7%) | 50 (56.2%)* | 39 (40.6%)* | 89 (48.1%) |
| Unemployed | 87 (66%) | 31 (57.4%) | 34 (37.8%) | 34 (35.4%) | 118 (63.4%) |
| Abstinence from Drug Use at Baseline | 120 (95%) | 49 (90.7%) | 85 (98.8%) | 84 (90.3%) | 174 (94.6%) |
| Abstinence from Drinking at Baseline | 120 (95) | 49 (90.7%) | 81 (94.2%) | 88 (94.6%) | 174 (94.6%) |
| Substance Dependence Severity | 9.34 (4.12)* | 11.61 (4.88)* | 10.15 (3.84) | 9.56 (4.16) | 9.85 (4.01) |
| Prior Treatment Episodes | 1.68 (1.59) | 1.47 (1.50) | 1.52 (1.30) | 1.70 (1.77) | 1.62 (1.56) |
| Treatment Hours Completed During the Study | 12.50 (7.51) | 11.61 (4.88) | 12.51 (5.40_ | 11.97 (7.99) | 12.23 (6.85) |
Note. MBRP = Mindfulness-Based Relapse Prevention. RP = Relapse Prevention.
*
= significant difference (p <.05) between men and women based on t-tests or chi-square tests