Table 1.
Descriptive statistics for city-, individual-, and observation-level variables, by Wave
| Variables | Percent | mean (SD) | Range |
|---|---|---|---|
| City level (N=50) | |||
| Population density | 4870.05 (3347.54) | 1337.24–22330.15 | |
| Percent under 18 years old | 23.74 (3.21) | 17.04–30.03 | |
| Socioeconomic statusa | .00 (1.00) | −1.73–1.71 | |
| Percent White | 79.19 (14.53) | 33.54–97.95 | |
| Percent Hispanic | 34.17 (20.23) | 8.20–97.43 | |
| Individual level (N=665) | |||
| Age | 14.93 (.95) | 13–16 | |
| Male | 55.5 | ||
| White non-Hispanic | 59.4 | ||
| Parental education | 15.84 (2.00) | 6–18 | |
| Observation level | |||
| Wave 1(N=289 past-year alcohol users) | |||
| Past-year alcohol use frequencyb | .09 (.10) | .01–2.00 | |
| Past-year continued volumeb | .27 (.75) | .00–7.56 | |
| Past-year alcohol use at: | |||
| Parties | 75 | 4.63 (10.86) | 0–100 |
| Someone else’s home | 53 | 3.10 (9.60) | 0–99 |
| Own home | 40 | 1.01 (2.40) | 0–20 |
| Parking lots or street corners | 26 | 1.70 (6.25) | 0–60 |
| Beaches or parks | 29 | 1.19 (4.30) | 0–50 |
| Restaurants, bars or nightclubs | 12 | .25 (1.03) | 0–12 |
| School events | 9 | .19 (1.26) | 0–20 |
| Past-year number of drinking contexts | 2.43 (1.53) | 0–7 | |
| Weekly spending moneyb | .18 (.22) | .00–1.25 | |
| Deviance | 1.64 (.50) | 1–3.33 | |
| Any past-year cigarette smoking | 31.5 | ||
| Wave 2 (N=402 past-year alcohol users) | |||
| Past-year alcohol use frequencyb | .13 (.33) | .01–3.65 | |
| Past-year continued volumeb | .37 (.97) | .00–8.52 | |
| Past-year alcohol use at: | |||
| Parties | 79 | 5.95 (11.67) | 0–104 |
| Someone else’s home | 51 | 3.13 (8.22) | 0–104 |
| Own home | 38 | 1.52 (5.54) | 0–80 |
| Parking lots or street corners | 26 | 1.51 (5.38) | 0–56 |
| Beaches or parks | 28 | 1.44 (4.57) | 0–40 |
| Restaurants, bars or nightclubs | 9 | .23 (1.00) | 0–10 |
| School events | 10 | .24 (.99) | 0–10 |
| Past-year number of drinking contexts | 2.41 (1.49) | 0–6 | |
| Weekly spending moneyb | .23 (.31) | .00–1.25 | |
| Deviance | 1.62 (.49) | 1–3.33 | |
| Any past-year cigarette smoking | 28.6 | ||
| Wave 3 (N=472 past-year alcohol users) | |||
| Past-year alcohol use frequencyb | .17 (.34) | .01–3.65 | |
| Past-year continued volumeb | .49 (1.15) | .00–11.44 | |
| Past-year alcohol use at: | |||
| Parties | 83 | 7.11 (15.77) | 0–150 |
| Someone else’s home | 62 | 3.57 (8.21) | 0–70 |
| Own home | 35 | 1.25 (3.79) | 0–60 |
| Parking lots or street corners | 18 | 1.07 (6.24) | 0–100 |
| Beaches or parks | 26 | 1.06 (5.10) | 0–90 |
| Restaurants, bars or nightclubs | 13 | .55 (2.95) | 0–50 |
| School events | 9 | .24 (1.33) | 0–20 |
| Past-year number of drinking contexts | 2.43 (1.46) | 0–7 | |
| Weekly spending moneyb | .38 (.43) | .00–1.25 | |
| Deviance | 1.57 (.46) | 1–3.67 | |
| Any past-year cigarette smoking | 26.3 | ||
a
Measured as a factor score derived from: median household income, percentage of population with a college education, and percentage of population unemployed.
b
Variable rescaled by dividing values by 100