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Table 3 Summary regression results for age trends for exclusive breastfeeding

From: Breastfeeding patterns and exposure to suboptimal breastfeeding among children in developing countries: review and analysis of nationally representative surveys

Stratum name Stratum characteristics Intercept (95% confidence interval) Slope (95% confidence interval) Standard error of the residual
AfrD Africa: high adult, high child mortality -0.98 (-1.33, -0.63) -0.21 (-0.29, -0.14) 1.66
AfrE Africa: very high adult, high child mortality 0.68 (0.29, 1.07) -0.38 (-0.47, -0.29) 1.79
AmrB Americas: low child, low adult mortality 0.23 (-0.20, 0.66) -0.39 (-0.50, -0.29) 1.14
AmrD Americas: high adult, high child mortality 0.91 (0.47, 1.34) -0.39 (-0.49, -0.28) 1.10
EmrB Eastern Mediterranean: low child, low adult mortality -0.84 (-1.75, 0.06) -0.47 (-0.80, -0.14) 0.57
EmrD Eastern Mediterranean: high adult, high child mortality 0.26 (-0.25, 0.76) -0.29 (-0.39, -0.18) 0.90
SearB South-east Asia: low child, low adult mortality 1.01 (0.55, 1.48) -0.47 (-0.58, -0.35) 0.92
SearD South-east Asia: high adult, high child mortality 1.03 (0.83, 1.23) -0.38 (-0.42, -0.33) 0.63
WprB Western Pacific: low child, low adult mortality 0.58 (-0.15, 1.31) -0.45 (-0.68, -0.22) 1.49
  1. Regressions use minimum chi-square estimation with dependent variable logarithm of prevalence odds (that is, Log(p/1 - p), where p is prevalence of exclusive breastfeeding), and independent variable oldest month of age by two-month age groups; regressions for category-A countries stratified by geographical and epidemiologic criteria as noted in the table; exclusive breastfeeding estimated for five age groups 0–1 to 8–9 months of age. Data sources listed in the Annex (Additional file 1).