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Table 3 Cox regression for cessation of breastfeeding and introduction of complementary foods, Nairobi informal settlements, Kenya

From: Patterns and determinants of breastfeeding and complementary feeding practices in urban informal settlements, Nairobi Kenya

Variable Cessation of Breastfeeding Initiation of Complementary Foods
  Univariate Multivariate Univariate Multivariate
  HR1 95%CI HR 95%CI HR 95%CI HR 95%CI
Sex         
   Girls Ref   Ref   Ref   Ref  
   Boys 0.98 [0.80, 1.21] 0.88 [0.71, 1.10] 1.03 [0.99, 1.08] 1.05* [1.00, 1.09]
Mother's age         
   < 25 years Ref   Ref   Ref   Ref  
   25-34 years 1.18 [0.94, 1.48] 1.22 [0.92, 1.62] 0.99 [0.95, 1.04] 1.01 [0.95, 1.06]
   35+ years 1.40# [0.95, 2.05] 1.52# [0.96, 2.40] 1.02 [0.94, 1.11] 1.01 [0.92, 1.12]
Mother's Marital Status         
   In union Ref   Ref   Ref   Ref  
   Ever in union 2.52*** [1.87, 3.40] 2.76*** [1.97, 3.88] 1.10* [1.02, 1.19] 1.07 [0.98, 1.16]
   Never in union 1.31 [0.93, 1.84] 1.73** [1.17, 2.55] 1.16*** [1.08, 1.24] 1.23*** [1.13, 1.34]
Mothers ethnicity         
   Kikuyu Ref   Ref   Ref   Ref  
   Luhya 1.20 [0.86, 1.69] 1.54* [1.06, 2.23] 1.21*** [1.13, 1.29] 1.19*** [1.12, 1.28]
   Luo 1.28 [0.93, 1.77] 1.83*** [1.28, 2.62] 1.16*** [1.09, 1.23] 1.12** [1.04, 1.19]
   Kamba 0.91 [0.64, 1.28] 1.16 [0.79, 1.71] 0.98 [0.92, 1.04] 1.02 [0.95, 1.09]
   Other 1.49* [1.09, 2.03] 2.08*** [1.48, 2.92] 1.07* [1.00, 1.14] 1.09* [1.02, 1.17]
Mother's education level         
   < Secondary Ref   Ref   Ref   Ref  
   Secondary+ 0.61*** [0.45, 0.81] 0.58*** [0.43, 0.80] 0.88*** [0.84, 0.92] 0.92** [0.87, 0.97]
Mother's Parity         
   One Ref   Ref   Ref   Ref  
   Two 1.41* [1.08, 1.83] 1.23 [0.91, 1.66] 1.04 [0.99, 1.10] 1.04 [0.98, 1.10]
   Three+ 1.20 [0.93, 1.55] 0.91 [0.64, 1.30] 1.03 [0.99, 1.08] 1.01 [0.94, 1.07]
Pregnancy desirability         
Wanted at
conception
Ref   Ref   Ref   Ref  
   Wanted later 0.95 [0.76, 1.20] 0.90 [0.69, 1.17] 1.01 [0.96, 1.05] 0.93** [0.89, 0.98]
   Never wanted 1.45* [1.09, 1.94] 1.08 [0.76, 1.54] 1.15*** [1.08, 1.22] 1.05 [0.98, 1.13]
Delivery place         
   Health Facility Ref   Ref   Ref   Ref  
   Home 0.93 [0.73, 1.17] 0.89 [0.69, 1.15] 1.19*** [1.14, 1.25] 1.19*** [1.14, 1.25]
Perceived size at birth         
   Normal Ref   Ref   Ref   Ref  
   Smaller 1.20 [0.91, 1.59] 0.95 [0.70, 1.30] 1.03 [0.97, 1.09] 1.03 [0.97, 1.10]
   Larger 0.61** [0.43, 0.87] 0.55** [0.38, 0.81] 0.96 [0.91, 1.01] 0.97 [0.92, 1.04]
SES Category         
   Poorest Ref   Ref   Ref   Ref  
   Middle 0.89 [0.70, 1.13] 0.97 [0.75, 1.25] 0.95* [0.91, 0.99] 1.01 [0.97, 1.06]
   Least Poor 1.03 [0.69, 1.54] 1.10 [0.71, 1.68] 0.90* [0.84, 0.98] 0.96 [0.89, 1.05]
Slum         
   Korogocho Ref   Ref   Ref   Ref  
   Viwandani 0.86 [0.70, 1.06] 1.20 [0.92, 1.55] 0.85*** [0.82, 0.89] 0.89*** [0.85, 0.94]
  1. 1HR = Hazard Ratio; # = p < 0.1; * p < 0.05; ** = p < 0.01; *** = p < 0.001