Journal of Immunology Research / 2012 / Article / Tab 4

Research Article

Feeding Bottles Usage and the Prevalence of Childhood Allergy and Asthma

Table 4

The dose-effect relationship between disease prevalence and the age of stopping use of feeding bottles or pacifiers.

 Crude OR
  (95% CI)
 Adjusted OR
  (95% CI)
Quartile of using length for feeding bottles or pacifiers, adjusted OR (95% CI) values for trend*
<25th (Ref.)25th–50th50th–75th>75th

Length of using feeding bottle
 Wheezing or asthma1.06 (1.03–1.10)1.05 (1.00–1.09)1.001.10 (0.96–1.25)1.11 (0.97–1.27)1.16 (1.01–1.32)0.035
 Allergic rhinitis1.04 (1.00–1.07)1.04 (1.00–1.08)1.001.09 (0.96–1.23)1.01 (0.89–1.14)1.18 (1.03–1.34)0.052
 Eczema1.09 (1.04–1.13)1.07 (1.01–1.12)1.001.08 (0.91–1.28)1.06 (0.89–1.25)1.25 (1.06–1.48)0.017
Length of using pacifiers
 Wheezing or asthma1.03 (1.00–1.07)1.02 (0.98–1.06)1.001.11 (0.98–1.26)1.08 (0.95–1.22)1.07 (0.94–1.23)0.370
 Allergic rhinitis1.04 (1.00–1.07)1.02 (0.98–1.06)1.001.08 (0.96–1.22)1.11 (0.98–1.25)1.04 (0.91–1.18)0.441
 Eczema1.03 (0.99–1.08)1.03 (0.98–1.09)1.001.05 (0.90–1.23)1.00 (0.85–1.17)1.14 (0.96–1.35)0.259

Crude univariable effects were calculated by logistic regression.
ORs were calculated using multiple logistic regression with the adjustment of all factors tabulated in Table 1, including the persons completing the questionnaire, parental educational levels and smoking status, family history, child’s gender, age, gestational age, birth weight, breastfeeding history, use of formula and complementary foods, food allergy status, and report of indoor water damage.
value for trend was calculated using the regression model while the predictor was considered as the continuous variable with the above-mentioned adjustment.

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