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Table 5 The prevalence of infant formula or other complementary food use in city, suburb and rural areas Zhejiang Province, PR China

From: A cohort study of infant feeding practices in city, suburban and rural areas in Zhejiang Province, PR China

  Using infant formula or other complementary food at 3 months Using infant formula or other complementary food at 6 months
  n % OR* 95% CI n % OR* 95% CI
Rural 530 42.3 1   469 89.8 1  
City 406 32.7 2.10 1.61,2.73 705# 99.0 11.38 5.13,25.24
Suburb 342 60.6 0.67 0.50,0.88     
  1. *OR = crude odds ratio.
  2. #City and suburban data are combined to calculate the Odds Ratio at 6 months