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Table 3 Stratified and pooled analysis of studies included in meta-analysis of inadequate antenatal care and pregnancy intention based on study design and type of country, 1980-2012

From: The effects of pregnancy intention on the use of antenatal care services: systematic review and meta-analysis

Stratifying variable Sample size Random effects Fixed effects Heterogeneity P
Study Design      
Cross-sectional 48,740 1.66(1.49-1.85) 1.61(1.48-1.75) 17.16 0.192
Prospective cohort 3104 1.56(1.05-2.19) 1.38(1.11-1.71) 4.77 0.092
Type of country      
Developed 35,147 1.86(1.62-2.14) 1.86(1.62-2.14) 1.18 0.991
Developing 40,837 1.54(1.33-1.77) 1.50(1.37-1.63) 15.75 0.028
Pooled estimate 75,984 1.64(1.47-1.82) 1.58(1.46-1.71) 23.7 0.096