The study design was cross-descriptive survey with multi-stag random sampling. There were 1, 170 mothers from ethnic groups such as Ede (Daklak), Gia Rai (Gia Lai), Banar (Gia Lai), Xo Dang Kon Turn), M'Nong (Dak Nong) and Co Hor (Lam Dong) interviewed.