Table 1.
Weighted baseline characteristics comparison based on C-DII quartile groups (Q1–Q4).
| Subgroup | Overall (n = 6,523) | Q1 (n = 1,631) | Q2 (n = 1,631) | Q3 (n = 1,630) | Q4 (n = 1,631) | p-value |
|---|---|---|---|---|---|---|
| Asthma | 0.016 | |||||
| Yes | 1,215 (18.63%) | 308 (18.88%) | 273 (16.74%) | 308 (18.9%) | 326 (19.99%) | |
| No | 5,308 (81.37%) | 1,323 (81.12%) | 1,358 (83.26%) | 1,322 (81.1%) | 1,305 (80.01%) | |
| Gender | 0.056 | |||||
| Female | 3,299 (50.57%) | 835 (51.20%) | 799 (48.99%) | 841 (51.60%) | 824 (50.52%) | |
| Male | 3,224 (49.43%) | 796 (48.80%) | 832 (51.01%) | 789 (48.40%) | 807 (49.48%) | |
| Age | 0.281 | |||||
| 6–9 years | 1886 (28.91%) | 460 (28.20%) | 508 (31.15%) | 445 (27.30%) | 473 (29.00%) | |
| 10–13 years | 1944 (29.80%) | 500 (30.66%) | 465 (28.51%) | 495 (30.37%) | 484 (29.68%) | |
| 14–16 years | 1,441 (22.09%) | 357 (21.89%) | 328 (20.11%) | 387 (23.74%) | 369 (22.62%) | |
| 17–19 years | 1,252 (19.19%) | 314 (19.25%) | 330 (20.23%) | 303 (18.59%) | 305 (18.70%) | |
| Race/Ethnicity | 0.001 | |||||
| Mexican American | 1,322 (20.27%) | 361 (22.13%) | 364 (22.32%) | 322 (19.75%) | 275 (16.86%) | |
| Other Hispanic | 689 (10.56%) | 176 (10.79%) | 172 (10.55%) | 171 (10.49%) | 170 (10.42%) | |
| Non-Hispanic White | 1969 (30.19%) | 487 (29.86%) | 492 (30.17%) | 523 (32.09%) | 467 (28.63%) | |
| Non-Hispanic Black | 1,468 (22.50%) | 328 (20.11%) | 340 (20.85%) | 342 (20.98%) | 458 (28.08%) | |
| Other races (including multi-racial) | 1,075 (16.48%) | 279 (17.11%) | 263 (16.13%) | 272 (16.69%) | 261 (16.00%) | |
| PIR | 0.009 | |||||
| < 1.3 | 2,414 (37.01%) | 591 (36.24%) | 570 (34.95%) | 579 (35.52%) | 674 (41.32%) | |
| 1.3–3.5 | 2,816 (43.17%) | 671 (41.14%) | 726 (44.51%) | 711 (43.62%) | 708 (43.41%) | |
| > 3.5 | 1,293 (19.82%) | 369 (22.62%) | 335 (20.54%) | 340 (20.86%) | 249 (15.27%) | |
| BMI Categories | 0.012 | |||||
| Underweight | 73 (1.12%) | 10 (0.61%) | 14 (0.86%) | 25 (1.53%) | 24 (1.47%) | |
| Normal | 3,080 (47.22%) | 699 (42.86%) | 777 (47.64%) | 802 (49.20%) | 802 (49.17%) | |
| Overweight | 1,474 (22.59%) | 403 (24.71%) | 379 (23.24%) | 359 (22.02%) | 333 (20.42%) | |
| Obese | 1896 (29.07%) | 519 (31.82%) | 461 (28.26%) | 444 (27.24%) | 472 (28.94%) |
Mean ± SD for continuous variables: the p-value was calculated by the weighted linear regression model. (%) for categorical variables: the p-value was calculated by the weighted chi-square test.