Table 2: Prevalence and cross-sectional association between ear infection and other health conditions.

Health conditions Children aged 4 to 5 yearsChildren aged 10 to 11 years
% ( )Ear infection % prevalence ( )Odds ratios and value% ( )Ear infection % prevalence ( )Odds ratios and value

Asthma
 No 7.2 (283)OR = 1.00 2.7 (76)OR = 1.00
 Yes20.6 (1029)10.7 (110)OR  =  1.55
P   <  0.001
33.2 (1381)4.5 (62)OR  =  1.67
P   =  0.003
Headache
 No 7.8 (387)OR = 1.00 3.1 (123)OR = 1.00
 Yes 0.6 (30)23.3 (7)OR  =  3.59
P   =  0.003
6.0 (248)6.5 (16)OR  =  2.13
P   =  0.006
Tonsillitis
 No3.0 (123)OR = 1.00
 YesN/A 3.0 (125)12.8 (16)OR  =  4.67
P   <  0.001
Vision problems
 No7.8 (377)OR = 1.003.1 (108)OR = 1.00
 Yes2.9 (146)11.6 (17)OR = 1.56
= 0.092
16.5 (687)4.5 (31)OR = 1.47
= 0.063
Other physical disabilities
 No7.7 (375)OR = 1.00
 Yes2.3 (114)16.7 (19)OR  =  2.40
P   =  0.001
N/A
Other illnesses
 No7.6 (361)OR = 1.00 3.2 (128)OR = 1.00
 Yes5.0 (247)13.4 (33)OR  =  1.87
P   =  0.001
4.8 (198)5.6 (11)OR = 1.76
= 0.079
Other infections
 No7.5 (366)OR = 1.00 3.3 (138)OR = 1.00
 Yes2.4 (117)23.9 (28)OR  =  3.87
P   <  0.001
0.6 (27)3.7 (1)OR = 1.14
= 0.916