Journal of Immunology Research / 2012 / Article / Tab 2

Research Article

Feeding Bottles Usage and the Prevalence of Childhood Allergy and Asthma

Table 2

Prevalence of diseases or symptoms among study children.

Total population, % ( )Stratified by the age of child while questionnaire survey, % ( )
Less than 3 years old3 years old4 years old5 years old years old value*

Wheezing/asthma
 Wheezing ever28.6 (4090)33.9 (161)31.8 (507)28.3 (1020)27.6 (1325)28.3 (618)0.002
 Cough at night last 12 months11.2 (1611)11.3 (54)12.5 (198)11.1 (404)10.7 (518)10.5 (232)0.326
 Doctor-diagnosed asthma9.3 (1176)6.2 (27)8.6 (120)8.7 (282)10.2 (437)9.6 (184)0.021
 Any one of the abovementioned 34.9 (5146)39.0 (190)38.3 (623)34.5 (1283)33.8 (1685)33.9 (766)0.002
Allergic rhinitis
 Rhinitis last 12 months50.8 (7301)44.2 (212)49.5 (786)49.1 (1778)51.7 (2517)53.9 (1187)<0.001
 Doctor-diagnosed rhinitis19.3 (2791)12.6 (60)16.6 (265)19.6 (716)20.3 (992)21.2 (470)<0.001
 Any one of the abovementioned 53.6 (7906)46.9 (229)51.9 (843)52.6 (1957)54.4 (2714)56.7 (1280)<0.001
Eczema
 Eczema during last 6 months17.6 (2539)29.2 (140)19.9 (318)17.4 (635)16.4 (798)16.3 (361)<0.001

values were calculated by Pearson Chi-Square to compare the difference of percentages among five age groups.

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