Visit vs Caffeine beverages per day
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Peds | - | - | - | - | - | - | - | - |
| Teenz | - | - | - | - | - | - | - | - |
| TREC | 513 | 2.0 | ± 1.2 | 2.0 | 0.0 | 4.0 | 4 | 517 |
Age at time of visit vs Caffeine beverages per day
TREC
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 513 | 2.0 | ± 1.2 | 2.0 | 0.0 | 4.0 | 4 | 517 |
| 16.14 to 17.41 years | 130 | 1.6 | ± 1.1 | 1.0 | 0.0 | 4.0 | - | 130 |
| 17.41 to 17.69 years | 128 | 2.1 | ± 1.3 | 2.0 | 0.0 | 4.0 | 1 | 129 |
| 17.69 to 17.91 years | 128 | 2.0 | ± 1.2 | 2.0 | 0.0 | 4.0 | 1 | 129 |
| 17.91 to 19.56 years | 127 | 2.1 | ± 1.2 | 2.0 | 0.0 | 4.0 | 2 | 129 |
Male gender vs Caffeine beverages per day
TREC
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 513 | 2.0 | ± 1.2 | 2.0 | 0.0 | 4.0 | 4 | 517 |
| No | 255 | 1.9 | ± 1.2 | 2.0 | 0.0 | 4.0 | 1 | 256 |
| Yes | 258 | 2.1 | ± 1.3 | 2.0 | 0.0 | 4.0 | 3 | 261 |
Race vs Caffeine beverages per day
TREC
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 513 | 2.0 | ± 1.2 | 2.0 | 0.0 | 4.0 | 4 | 517 |
| White | 309 | 1.9 | ± 1.2 | 2.0 | 0.0 | 4.0 | - | 309 |
| Black | 181 | 2.0 | ± 1.3 | 2.0 | 0.0 | 4.0 | 4 | 185 |
| Other | 23 | 2.2 | ± 1.3 | 2.0 | 0.0 | 4.0 | - | 23 |