Table 1

Unadjusted associations between personal characteristics and otitis media episodesa for 355 infants at risk for developing asthma. (CT and MA, 1998 – 2000)



Otitis Media Episodes





0
1
2
3+



Characteristic
n (%)
%
%
%
%

All subjects N (%)
355
97 (27.3)
137 (38.6)
87 (24.5)
34 (9.6)
Gender





     Male
171 (48.2)
21.6
42.7
24.6
11.1
     Female
184 (51.8)
32.6
34.8
24.5
8.2
Ethnicity





     White
226 (63.7)
23.4
38.0
28.8
9.7
     Black
48 (13.5)
41.7
37.5
14.6
6.2
     Hispanic
62 (17.5)
27.4
41.9
22.6
8.1
     Other
19 (5.4)
36.8
36.8
5.3
21.0
Maternal education





     < HS
38 (10.7)
29.0
36.8
29.0
5.3
     Some college
179 (50.4)
29.0
39.7
20.1
11.2
     College degree
138 (38.9)
24.6
37.7
29.0
8.7
Maternal allergies





     No
146 (41.1)
30.8
39.7
24.0
5.5
     Yes
209 (58.9)
24.9
37.8
24.9
12.4
Maternal asthma





     No
246 (69.3)
30.1
38.2
22.0
9.8
     Yes
109 (30.7)
21.1
39.4
30.3
9.2
Daycare before 6 mo





     No
279 (78.6)
29.0
39.4
23.3
8.2
     Yes
76 (21.4)
21.0
35.5
29.0
14.5
Breast feeding





     No
113 (31.8)
27.4
40.7
22.1
9.7
     Yes
242 (68.2)
27.3
37.6
25.6
9.5
ETS





     No
304 (86.6)
26.0
38.5
26.3
9.2
     Yes
47 (13.4)
34.0
40.4
14.9
10.6
Season of birth





     Winter
75 (21.1)
28.0
37.3
26.7
8.0
     Spring
101 (28.4)
25.7
41.6
24.8
7.9
     Summer
97 (27.3)
26.8
39.2
27.8
6.2
     Fall
82 (23.1)
29.3
35.4
18.3
17.1

aOtitis media determined by mother's report. More than one episode reported in a month or in the next consecutive month counted as a single episode.

Pettigrew et al. BMC Medical Genetics 2006 7:68   doi:10.1186/1471-2350-7-68