Table 1:
Patient demographics and baseline asthma characteristics
| Entire Cohort(n=975) | Normal-Weight (n=533) | Overweight/Obese(n=442) | p value# | |
|---|---|---|---|---|
| Patient demographics | ||||
| Age (years)* | 7.64 ± 4.11 | 6.8 ± 4.0 | 8.6 ± 4.0 | <0.01 |
| Males | 537 (55) | 294 (55) | 243 (55) | 1.00 |
| Females | 438 (45) | 239 (44.8) | 199 (45) | |
| Hispanic | 590 (60.5) | 324 (61) | 266 (60.2) | 0.95 |
| African American/ non-Hispanic | 362 (37.1) | 192 (36) | 170 (38.5) | |
| Ethnicity declined | 23 (2.4) | 17 (3) | 6 (1.3) | |
| Social economic status (z-score)* | −4.3 ± 2.7 | −4.3 ± 2.7 | −4.3 ± 2.7 | 0.89 |
| Measures of baseline asthma severity | ||||
| Intermittent | 146 (15) | 86 (16) | 60 (14) | 0.02 |
| Mild persistent | 262 (27) | 150 (28) | 112 (25) | |
| Moderate Persistent | 256 (26) | 124 (23) | 132 (30) | |
| Severe Persistent | 85 (9) | 38 (7) | 47 (11) | |
| Unknown | 226 (23) | 135 (25) | 91 (20) | |
| No prior hospitalization | 298 (31) | 169 (32) | 129 (29) | <0.001 |
| One prior hospitalization | 201 (21) | 131 (25) | 70 (16) | |
| Two or three prior hospitalizations | 179 (18) | 108 (20) | 71 (16) | |
| Four or more prior hospitalizations | 260 (27) | 106 (20) | 154 (35) | |
| Unknown prior hospitalizations | 37 (3) | 19 (3) | 18 (4) | |
| Controller Medication use | 571 (59) | 293 (55) | 278 (63) | 0.01 |
| Inhaled Corticosteroids | 546 (56) | 280 (53) | 266 (60) | 0.02 |
| Montelukast | 315 (32) | 143 (27) | 172 (39) | <0.01 |
| Season at time of hospitalization | ||||
| Spring | 192 (19.69) | 113 (21.2) | 79 (17.9) | <0.01 |
| Summer | 154 (15.79) | 97 (18.2) | 57 (12.9) | |
| Fall | 190 (19.49) | 124 (23.3) | 66 (14.9) | |
| Winter | 439 (45.03) | 199 (37.3) | 240 (54.3) | |
*
These variables are reported as mean± standard deviation (SD). All other variables are reported as proportion (n (%)).
#
p value was derived by T test for continuous variables and by Chi-square or Fisher-exact test for categorical variables.