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Table 1 Participant characteristics (N = 81). N(%) or median [IQR]

From: Comparative analysis of ambient, in-home, and personal exposures reveals associations between breathing zone pollutant levels and asthma exacerbations in high-risk children

Variable

N (%) or Median (IQR)

Age (years)

12.02 [10.72, 14.37]

Sex: Female

29 (35.8)

Race / Ethnicity: Hispanic

46 (56.8)

     Non-Hispanic Black

11 (13.6)

     Non-Hispanic Other

12 (14.8)

     Non-Hispanic White

12 (14.8)

     CDC BMI Percentile

79.90 [54.20, 93.50]

Household Income

$45,000 [$15,000 - $19,999, $55,000 - $59,999]

Parental Education Level: Grades 1–11

10 (12.3)

     GED or 12th grade

26 (32.1)

     > 12th grade

45 (55.6)

Medication Use: Albuterol as needed

17 (21.0)

     Low dose ICS1 or LTRA2

23 (28.4)

     Low dose ICS + LABA3 or medium dose ICS

10 (12.3)

     Medium dose ICS + LABA

15 (18.5)

     High dose ICS or high dose ICS + LABA

16 (19.8)

Baseline Asthma Control:

     Well controlled (cACT or ACT ≥ 20)

57 (72.2)

     Not well controlled (cACT or ACT < 20)

22 (27.8)

FEV1% Predicted Pre Bronchodilator (subject median)

94.37 [85.79, 108.01]

FVC % Predicted Pre Bronchodilator (subject median)

106.58 [95.57, 118.54]

FEV1/FVC % Predicted Pre Bronchodilator (subject median)

90.02 [85.14, 95.18]

FEV1% Change Post Bronchodilator (subject median)

8.23 [5.14, 12.70]

FVC % Change Post Bronchodilator (subject median)

1.25 [-0.21, 3.57]

FEV1/FVC % Change Post Bronchodilator (subject median)

7.37 [3.45, 10.44]

Number of Visits: 1

26 (32.1)

     2

8 ( 9.9)

     3

15 (18.5)

     4

28 (34.6)

     5

4 ( 4.9)

  1. (1) ICS: Inhaled corticosteroids. (2) LTRA: Leukotriene receptor antagonists. (3) LABA: Long-acting beta-agonist