Table 1.

Summary of Interview-Based Household and Individual Characteristics in the Study

Characteristics	Value
Household characteristics
Household members, mean (median), No.	6 (5)
Children aged ≤5 years, mean (median), No.	2 (2)
Total rooms, mean (median), No.	6 (6)
Sleep rooms, mean (median), No.	3 (3)
Running water, No. of households (%)	250 (83.6)
Toilet facilities, No. of households (%)	245 (81.9)
Smoke exposure, No. of households (%)
Wood-burning stove, No. of households (%)	184 (61.7)
Smoker living in home, No. of households (%)	78 (26.3)
Individual characteristics
Subjects by age at enrollment, No. (%)
All subjects
<2 y	232 (21.6)
<2 to <5 y	227 (21.1)
5 to <9 y	169 (15.7)
17 to <40 ya	383 (35.7)
40 to <65 y	54 (5.0)
≥65 y	7 (0.7)
Breast-fed subjects
<2	111 (47.8)
2 to <5	77 (33.9)
Subjects with episode of OM during study
<2 y	70 (30.2)
2 to <5 y	26 (11.5)
5 to <9 y	11 (6.5)
Subjects who used antibiotics during study
<2 y	77 (33.2)
2 to <5 y	38 (16.7)
5 to <9 y	18 (10.7)
17 to <40 y	49 (12.8)
40 to <65 y	9 (16.7)
≥65 y	1 (14.3)
Subjects who attended daycare during studyb
<2 y	9 (3.9)
2 to <5 y	18 (7.9)
5 to <9 y	3 (1.8)
Daycare attendance per week, mean (median), d	5 (5)
Daycare attendance per week, mean (median), h	7 (8)
Tobacco use (among subjects ≥18 years old), No. (%)
Smoking	60 (13.5)
Chewing	28 (6.3)
Immunization coverage by age at enrollment, No. (%)
PCV7 immunizationc
1 to <2 y (n = 75)	71 (94.7)
2 to <5 y (n = 212)	204 (96.2)
5 to <9 y (n = 150)	124 (82.7)
PS23 immunization coveragec
17 to <40 y (n = 357)	17 (4.8)
40 to <65 y (n = 59)	17 (28.8)
≥65 y (n = 8)	8 (100.0)

Abbreviations: OM, otitis media; PCV7, pneumococcal conjugate vaccine; PS23, polysaccharide vaccine.

^aThis group includes 2 parents who were <17 years old.

^bDaycare was defined as ≥4 h/wk outside the home with ≥2 other children from different households.

^cData from chart review, not household interview.