Table 1.
Sample Characteristics of Peer Recruits
| Variable | Frequency (%) / Mean (SD) |
|---|---|
| Demographic characteristics | |
| Age in years | 23.6 (2.6) |
| Gender (% women) | 228 (64.0) |
| Race/ethnicity | |
| Asian | 68 (19.2) |
| Black | 23 (6.5) |
| White | 228 (64.4) |
| Othera | 35 (9.9) |
| Hispanic | 61 (17.2) |
| Education > high school | 307 (86.7) |
| Student (full or part-time) | 229 (64.1) |
| Employed (full or part-time) | 275 (77.5) |
| Personal annual income < $20k | 183 (55.4) |
| Married | 26 (7.3) |
| Have children | 22 (6.2) |
| Drinking risk variables | |
| Number of past month drinking days | 9.99 (5.86) |
| Drinks consumed per drinking day (past month) | 4.71 (4.76) |
| Drinks consumed on high risk drinking daysb | 7.03 (6.14) |
| Drinks consumed on very high risk drinking daysc | 17.00 (10.96) |
| Alcohol-related negative consequences (BYAACQ) | 8.51 (5.37) |
| Hangovers | 229 (83.8) |
| Very sick stomach/vomiting | 233 (65.3) |
| Drank despite plans not to | 213 (59.7) |
| Engaged in regrettable impulsive behavior while drinking | 174 (48.7) |
| Blackouts/brownouts | 127 (35.6) |
| Tolerance | 125 (35.0) |
| Social network characteristics | |
| Size of young adult online network (# members) | 27.3 (51.8) |
| Productive peer recruiters (≥ 1 recruit) | 153 (42.9) |
| Behavioral economic variables | |
| Relative discretionary expenditures on alcohol (past month) | 0.49 (2.16) |
| Proportion of past month activities involving drinking (ARSS-SUV) | 0.26 (0.15) |
| Proportion of larger delayed monetary choices (MCQ) | 0.59 (0.22) |
| Intensity (APT) | 8.32 (22.58) |
| Elasticity coefficient (APT) | 0.008 (0.007) |
Ns = 346 – 357, median age = 23 years.
a
Includes American Indian/Alaska Native (.6%), Native Hawaiian/Other Pacific Islander (1.1%), and more than one race (5.4%); 3 additional participants indicated “I choose not to answer.”
b
Days involving 4+/5+ drinks for women/men for 141 participants (39.61%) who any reported high risk drinking;
c
Days involving 8+/10+ drinks for women/men for 27 participants (7.581%) who reported any very high risk drinking.
APT = Alcohol Purchase Task. ARSS-SUV = Adolescent Reinforcement Survey Schedule - Substance Use Version. BYAACQ = Brief Young Adult Alcohol Consequences Questionnaire (past 3 months). MCQ = Monetary Choice Questionnaire.