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Table 2 The results of subgroup-analyses

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

VariablesNumber of studiesPrevalence (95% CI)Heterogeneity
I2P-Value
Geographical region
 North462% (42–81)99.4%0.000
 South648% (20–75)99.7%0.000
 West761% (41–81)99.5%0.000
 East560% (52–67)95.3%0.000
 Center947% (24–70)99.7%0.000
Sample size
 ≤ 5002052% (35–68)99.7%0.000
 > 5001256% (42–70)99.8%0.000
Education before pregnancy
 Yes655% (39–71)98.4%0.000
 No650% (35–64)88.5%0.000
Maternal employment
 Unemployed658% (46–69)95.8%0.000
 Employed655% (37–73)92.9%0.000
Education level0.000
 Under diploma658% (51–64)52.4%0.000
 Upper diploma656% (42–69)97.3%0.000
Type of delivery0.000
 Vagina558% (43–74)97.1%0.000
 Cesarian549% (34–64)95.7%0.000
Gender of child0.000
 Girl460% (40–80)97.6%0.000
 Boy459% (41–78)96.8%0.000
Birth weight0.000
 Under 2500 g362% (54–70)0%0.000
 Upper 2500 g360% (40–80)97.8%0.000
Mother with history of diseases (Diabetes, hypertension, …)0.000
 Yes244% (20–68)86.6%0.000
 No250% (24–76)85.7%0.000
Location of delivery0.000
 Govermental269% (45–93)97.5%0.000
 Private251% (34–71)98.6%0.000