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Table 2 Meta-regression analysis of the different study-level covariates to explain the sources of heterogeneity for meta-analysis of the prevalence and determinants of adolescent pregnancy in Africa

From: Prevalence and determinants of adolescent pregnancy in Africa: a systematic review and Meta-analysis

Variables Coefficient P-value
Publication year 0.24 0.653
Sample size - < 0.001 0.672
East Africa 4.31 0.572
Southern Africa 12 0.266
West Africa −3.88 0.560
Central Africa −3.53 0.612
Unpublished studies 19.22 0.319