Table 2.
Characteristics of Sample
| Variable | Entire Sample (N=6125)* | Males (n=2962) | Females (n=3153) |
|---|---|---|---|
| Teen Age (years)a | |||
| 14–15 | 3164 (51.8%) | 1505 (51.1%) | 1655 (52.6%) |
| 16–17 | 2943 (48.2%) | 1444 (49.0%) | 1493 (47.4%) |
| Teen Race/ethnicity | |||
| Non-Hispanic White | 4135 (69.0%) | 2025 (70.2%) | 2110 (68.0%) |
| Non-Hispanic Black | 447 (7.5%) | 189 (6.6%) | 256 (8.2%) |
| Non-Hispanic multi-racial | 631 (10.5%) | 301 (10.4%) | 329 (10.6%) |
| Non-Hispanic otherb or unknown race | 139 (2.3%) | 773 (2.7%) | 62 (2.0%) |
| Hispanic White | 273 (4.6%) | 132 (4.6%) | 141 (4.5%) |
| Hispanic otherb or unknown race or multi-racial | 367 (6.1%) | 161 (5.6%) | 206 (6.6%) |
| Household Incomea | |||
| Below $40,000 | 837 (14.8%) | 362 (13.4%) | 475 (16.3%) |
| $40,000 – $60,000 | 1040 (18.5%) | 500 (18.4%) | 539 (18.5%) |
| Above $60,000 | 3744 (66.6%) | 1849 (68.2%) | 1894 (65.1%) |
| Parental Educationa | |||
| Less than college degree | 2786 (46.2%) | 1290 (44.3%) | 1494 (48.0%) |
| College degree or higher | 3241 (53.8%) | 1619 (55.7) | 1621 (52.0) |
| Geographic Region | |||
| Northeast | 548 (8.9%) | 261 (8.8%) | 287 (9.1%) |
| Midwest | 1233 (20.1%) | 588 (19.9%) | 640 (20.3%) |
| South | 2445 (39.9%) | 1189 (40.1%) | 1251 (39.7%) |
| West | 1899 (31.0%) | 924 (31.2%) | 975 (30.9%) |
| Composite Physical Activity Score (# days) | |||
| 0 | 142 (2.3%) | 41 (1.4%) | 101 (3.2%) |
| .5 | 97 (1.6%) | 38 (1.3%) | 59 (1.9%) |
| 1.0 | 169 (2.8%) | 59 (2.0%) | 110 (3.5%) |
| 1.5 | 173 (2.8%) | 73 (2.5%) | 100 (3.2%) |
| 2.0 | 273 (4.5%) | 110 (3.7%) | 163 (5.2%) |
| 2.5 | 359 (5.9%) | 138 (4.7%) | 221 (7.0%) |
| 3.0 | 484 (7.9%) | 194 (6.5%) | 290 (9.2%) |
| 3.5 | 455 (7.4%) | 184 (6.2%) | 271 (8.6%) |
| 4.0 | 604 (9.9%) | 247 (8.3%) | 357 (11.3%) |
| 4.5 | 427 (7.0%) | 199 (6.7%) | 228 (7.2%) |
| 5.0 | 699 (11.4%) | 338 (11.4%) | 361 (11.4%) |
| 5.5 | 369 (6.0%) | 201 (6.8%) | 168 (5.3%) |
| 6.0 | 577 (9.4%) | 312 (10.5%) | 265 (8.4%) |
| 6.5 | 315 (5.2%) | 204 (6.9%) | 111 (3.5%) |
| 7.0 | 972 (15.9%) | 624 (21.1%) | 348 (11.0%) |
*
For 10 teens, there was missing data for sex. However, data for all 6,125 teens (for whom data were available on the other factors) are included in this column.
a
Some categories of this variable were combined.
b
Other races include American Indian, Asian, Pacific Islander, and other-unspecified.