Table 1: Baseline characteristics of the study population ( ).

Demographics

Male98/182 (54%)
Race/ethnicity
 African-American122/182 (67%)
 Caucasian48/182 (26%)
 Hispanic12/182 (7%)
Household income < $15,00043/170 (25%)
At least one smoker in the household58/182 (32%)
Caretaker married97/182 (54%)
Caretaker completed high school159/182 (88%)

Housing

Baseline home is same as home pre-Katrina 92/182 (51%)
Moved at least once between Katrina and baseline171/182 (94%)
Moved at least once during the study37/182 (20%)
Baseline home flooded68/182 (37%)
Completed home renovations at baseline85/182 (47%)
Renovations ongoing at baseline38/182 (21%)

Baseline asthma symptoms in the previous 2 weeks

Maximum symptom days6.6 ± 4.9
Daytime symptoms5.3 ± 4.5
Night symptoms3.3 ± 4.2
Slow play3.2 ± 3.9
Caretaker changed plans0.9 ± 1.7

Allergen sensitivities

Skin tests (≥3 mm wheal)
 Der f/der p mix 121/180 (67%)
 Cat 64/180 (36%)
 Cockroach mix 93/180 (52%)
 Dog 51/180 (28%)
 Rat 33/180 (18%)
 Mouse 54/180 (30%)
Cladosporium 52/180 (29%)
Aspergillus fumigatus 43/180 (24%)
Penicillium chrysogenum (notatum) 86/180 (48%)
Alternaria 96/180 (53%)
 Number of mold sensitivities (14 total molds tested)5.3 ± 5.1

Household allergens

Alternaria
 Detectable 178/181 (98%)
 >10 μg/g105/181 (58%)
Cockroach (Bla g 1)
 Detectable 37/181 (20%)
 >2 U/g8/181 (4%)
Dust mite (Der p 1)
 Detectable 63/181 (35%)
 >2  g/g16/181 (9%)
Mouse (Mus m 1)
 Detectable108/181 (60%)
 >1.6  g/g5/181 (3%)
Microbial component
β-glucan ( g/g)0.50 ± 0.06
 Endotoxin (EU/mg)11.4 ± 1.5
Self-report of pet ownership
 Dog46/182 (25%)
 Cat16/182 (9%)

Mold air sampling (spores/m3)

Indoor total501 ± 48
Outdoor total3960 ± 467

Values are the count (percent) or mean ± standard deviation. Geometric means are reported for mold air samples.