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Table 1 The characteristics of studies included

From: Prevalence of exclusive breastfeeding practice in the first six months of life and its determinants in Iran: a systematic review and meta-analysis

First authorReferencesYear of publicationRegionAge of mothers (Mean ± SD)Age of baby (month)Sample sizeStudy designQuality rating of the studies (Stars) (risk of bias)
Imani312003ZahedanNA6–24253Cross-sectional6 stars
Hajian-Tilaki322005BabolNA6600Cross-sectional8 stars
khabazkhoob332008MashhadNA7–121267Cross-sectional7 stars
Koosha342008ZanjanNA1250Cross-sectional6 stars
Mohsenzadeh352008KhorramabadNA12340Cross-sectional8 stars
Mohammad Beygi362009ArakNA6–12352Cross-sectional9 stars
Olang37200930 provincesNA< 2463,071Retrospective8 stars
Roudbari382009Zahedan25.5 ± 6.212450Cross-sectional7 stars
Almasi392010KashanNA6391Cross-sectional8 stars
Vafaee402010MashhadNA121450Cross-sectional9 stars
Hamidi412011Charmahalva Bakhtiari29.25 ± 5.5< 12411Descriptive-analytical7 stars
Mehrparvar422011KermanNA< 12320Cross-sectional7 stars
Naserpoor432011Omidieh27.5 ± 5.56–18400Descriptive-analytical8 stars
Rahmatnejad442011TehranNA12331Cross-sectional8 stars
Torabi452011Jahrom28.1 ± 5.3618–24435Cross-sectional7 stars
Veghari462011GolestanNA6–602520Cross-sectional8 stars
Yaghini472011IsfahanNA12656Descriptive-analytical6 stars
Kermani482012TehranNA6110Cross-sectional9 stars
Mirahmadizadeh492012ShirazNA6–12751Historical cohort8 stars
Morowatisharifabad502012ArdakanNA6–12413Cross-sectional8 stars
Ziaie512012Rasht30.93 ± 4.801< 12263Descriptive-analytical7 stars
Charkazi522013Isfahan27.79 + 4.76–24406Cross-sectional8 stars
Kamali532013Tehran28.9 ± 4.612–24300Cross-sectional6 stars
Khamnian542013East AzerbaijanNA12750Cross-sectional8 stars
Saki552013ShirazNA12287Prospective follow-up7 stars
Abdollahi562014Sari27.99 ± 4.7< 12400Cross-sectional9 stars
Aghababaii572014Hamadan26.7 ± 4.8121200Cross-sectional8 stars
Dalili582014TehranNA6175Cross-sectional7 stars
Ghanbarnejad592014Bandar Abbas25.7 ± 5.66800Cross-sectional7 stars
Noughabi602014TehranNA6–24538Cross-sectional8 stars
Ranjbaran612014ShazandNA6283Cross-sectional8 stars
Roostaee622015ZahedanNA12523Cross-sectional9 stars