Table 1.
Descriptive Statistics for Participants by Pretreatment Change Trajectory Class (N=205)
| Classes | ||||
|---|---|---|---|---|
| Class 1 HA-MI n=64 (31.22%) | Class 2 LA-SI n=73 (35.61%) | Class 3 NA-AI n=68 (33.17%) | P-value | |
| Age, mean (SD) | 52.20 (9.32) | 51.11 (9.58) | 52.50 (9.54) | 0.66a |
| Gender, n (%) | ||||
| Male | 41 (64.06) | 45 (61.64) | 39 (57.35) | 0.73b |
| Female | 23 (35.94) | 28 (38.36) | 29 (42.65) | |
| Race, n (%) | ||||
| White/Caucasian | 57 (89.06) | 64 (87.67) | 60 (88.24) | 0.78b |
| Black/African-American | 4 (6.25) | 6 (8.22) | 6 (8.82) | |
| American Indian/Alaskan Native | 0 | 2 (2.74) | 0 | |
| Native Hawaiian/Pacific Islander | 1 (1.56) | 0 | 0 | |
| Other | 2 (3.13) | 1 (1.37) | 2 (2.94) | |
| Hispanic/Latino, n (%) | ||||
| No | 62 (98.41) | 70 (95.89) | 63 (92.65) | 0.30b |
| Yes | 1 (1.59) | 3 (4.11) | 5 (7.35) | |
| Education, n (%) | ||||
| ≤High school | 16 (26.23) | 14 (20.90) | 13 (19.40) | 0.59b |
| Some college | 9 (14.75) | 16 (23.88) | 17 (25.37) | |
| College graduate | 36 (59.02) | 37 (55.22) | 37 (55.22) | |
| Income, n (%) | ||||
| <$10,000 | 3 (4.69) | 3 (4.23) | 2 (2.94) | 0.96b |
| >$10,000–40,000 | 17 (26.56) | 17 (23.94) | 17 (25.00) | |
| >$40,000–70,000 | 22 (34.38) | 21 (29.58) | 23 (33.82) | |
| >$70,000 | 22 (34.38) | 30 (42.25) | 26 (38.24) | |
Note: SD = Standard deviation; HA-MI = High Abstinence-Minimal Increase; LA-SI = Low Abstinence-Steady Increase; NA-AI = Non-Abstinence-Accelerated Increase.
a
P-value from Analysis of Variance (ANOVA) test
b
P-value from the Fisher’s Exact test