TABLE 1.
Characteristics of study participants by current asthma, 2009–2011 (n = 24 612)
| Characteristics | No asthma (n = 21 390) | Current asthma (n = 3222) |
|---|---|---|
| Age | 16.1 ± 0.02 | 15.9 ± 0.03* |
| Female gender | 11 099 (49.2) | 1756 (53.5)** |
| Race/ethnicity | ||
| White | 9217 (59.2) | 1459 (59.6)** |
| Black or African American | 3604 (13.5) | 681 (16.2) |
| Hispanic/Latino | 3765 (10.4) | 320 (6.6) |
| Multiple race/ethnicity | 3495 (12.1) | 567 (13.5) |
| Others | 1309 (4.7) | 195 (4.1) |
| Body mass index (BMI), percentile | 61.4 ± 0.4 | 65.0 ± 0.7** |
| Normal weight (<85th percentile) | 14 456 (73.4) | 2018 (68.6)** |
| Overweight (85th–<95th percentile) | 3134 (15.0) | 516 (16.9) |
| Obese (≥95th percentile) | 2457 (11.6) | 471 (14.6) |
| Physical activity ≥60 min/day (past week) | ||
| Never | 4331 (18.6) | 624 (17.5) |
| 1–3 times | 6500 (29.3) | 936 (29.4) |
| ≥4 times | 10 459 (52.1) | 1655 (53.1) |
| Average hour of sleep <8 h | 12 840 (67.7) | 2044 (71.1)** |
| Ate fruit or vegetables <5 times/day (past week) | 16 613 (78.6) | 2370 (75.7)** |
| Drank regular soda/pop (past week) | ||
| Never | 4068 (20.4) | 560 (18.3)** |
| 1–6 times | 11 084 (52.4) | 1585 (49.2) |
| ≥7 times | 5918 (27.2) | 1019 (32.5) |
| Smoked ≥20 cigarettes (past month) | 1114 (6.0) | 236 (8.0)** |
| Used marijuana ≥1 time (past month) | 4340 (20.1) | 774 (23.9)** |
| Ever use illegal drugs (cocaine, heroin, methamphetamines, ecstasy) | 1822 (8.4) | 345 (10.5)* |
| Violent behaviors | ||
| Carried any weapon (past month) | 3115 (15.4) | 580 (18.1)** |
| Carried a gun (past month) | 948 (4.5) | 208 (6.4)** |
| Carried any weapon to school (past month) | 935 (4.5) | 239 (7.4)** |
| In a physical fight (past year) | 6493 (29.8) | 1163 (35.0)** |
| Injured in a physical fight (past year) | 634 (2.7) | 186 (5.7)** |
| In a physical fight at school (past year) | 2268 (10.3) | 427 (12.6)** |
| Any violent behavior | 7761 (37.5) | 1344 (42.2)** |
| Victimization | ||
| Feared to attend school (past month) | 1054 (4.3) | 242 (6.8)** |
| Threatened or injured by a weapon at school (past year) | 1323 (6.0) | 307 (9.0)** |
| Physically abused by dating partner (past year) | 1954 (8.3) | 446 (12.0)** |
| Coerced into sex (ever) | 1429 (6.4) | 387 (11.6)** |
| Bullied at school (ever) | 3496 (18.2) | 766 (26.7)** |
| Any victimization | 6579 (31.7) | 1333 (42.2)** |
| Suicide behaviors | ||
| Considered suicide (past year) | 2884 (13.2) | 635 (19.4)** |
| Planned suicide (past year) | 2288 (10.4) | 493 (14.6)** |
| Attempted suicide (past year) | 1236 (5.6) | 324 (9.9)** |
| Any suicide behavior | 3612 (17.7) | 768 (24.7)** |
| Felt sad or hopeless (past year) | 5603 (24.7) | 1119 (34.3)** |
Results shown as mean ± standard error for continuous variables, and as number (%) for binary variables. Numbers might vary because of missingness.
*
P < 0.05.
**
P < 0.01 comparison between participants with and without current asthma.