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Table 2 Subgroup analysis of the prevalence of anemia by risk of bias, sex, urban/rural setting, and enrolment date of study using chi2 test for heterogeneity

From: Prevalence of anemia among school-age children in Ethiopia: a systematic review and meta-analysis

 

Prevalence

95% CI

P value

I2 (%)

Risk of bias

 High risk

0.13

0.00, 0.25

0.01

99.0

 Moderate risk

0.28

0.22, 0.34

0.00

95.0

 Low risk

0.23

0.15, 0.32

0.01

98.0

Sex

 Male

0.27

0.20, 0.34

0.01

97.0

 Female

0.24

0.18, 0.30

0.01

97.0

Enrolment date of study

 2003–2011

0.19

0.09, 0.30

0.01

99.0

 2012–2016

0.27

0.20, 0.33

0.01

95.0

Rural/urban setting

 Rural

0.33

0.26, 0.40

0.00

78.0

 Urban

0.24

0.10, 0.37

0.03

98.0