Table 1 Descriptive characteristics of the study population, n = 173
From: Cockroach exposure and perceived stress interact to predict clinical outcomes in childhood asthma
Variable | No | No. (%) or Mean ± SD |
|---|---|---|
Child’s Race/Ethnicity | 173 |  |
Non-Hispanic Black | Â | 121 (69.9) |
Hispanic | Â | 45 (26.0) |
Other | Â | 7 (4.0) |
Household income | 166 | Â |
 ≤ $25,000 |  | 154 (92.8) |
 > $25,000 |  | 12 (7.2) |
Child’s age (years) | 173 | 9.7 ± 3.1 |
Male Sex | 173 | 104 (60.5) |
Marital Status | 142 | 108 (75.5) |
Singlea | Â | Â |
Home ownership | 155 | 136 (87.7) |
Renter | Â | Â |
Body Mass Index (percentile) | 139 | Â |
Underweight (BMI < 5th) |  | 15 (10.8) |
Normal weight (BMI ≥ 5th and < 85th) |  | 67 (48.2) |
Overweight (BMI ≥ 85th and < 95th) |  | 13 (9.3) |
Obese (BMI ≥ 95th) |  | 44 (31.6) |
Smoker in Home | 142 | 46 (32.4) |
Cockroach Exposure | 136 | 45 (33.8) |
Perceived Stress Score (PSS-4) | 173 | Â |
Normal (PSS-4: ≤ 7) |  | 104 (60.1) |
High (PSS-4: 8–10) |  | 65 (37.6) |
Very high (PSS-4: ≥ 11) |  | 4 (2.3) |
Sensitized (sIgE ≥ 0.35 Ku/L) | 151 |  |
Cat | Â | 21 (14.2) |
House Dust Mite | Â | 84 (56.8) |
Dog | Â | 38 (25.7) |
Mouse | Â | 16 (11.1) |
Cockroach | Â | 40 (26.5) |
 ≥ 1 allergen |  | 91 (60.0) |
 ≥ 2 allergens |  | 84 (55.6) |
Health Care Utilization, previous 4Â months | ||
Unscheduled Clinic/ED Visit | 173 | 86 (49.7) |
Hospitalization | 172 | 30 (17.4) |
Pulmonary Inflammation, FeNOb | 122 | Â |
 > 20 ppb |  | 32 (26.2) |
 ≤ 20 ppb |  | 90 (73.8) |
Pulmonary Function | 137 | Â |
FEV1% Predicted < 80% |  | 65 (47.4) |
FEV1% Predicted, Mean |  | 85.39 ± 27.33 |