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Abstract：
Background: Teen pregnancy and childbearing are common in Nigeria, and understanding the complexities, such as sociodemographics and economic factors including sexual and reproductive health knowledge and awareness among adolescents over time can trigger innovative approaches and interventions. This study intends to capture the patterns and associated factors of teen motherhood among sexually active adolescents (15-19 years) between 2008 and 2018. Methods: The study data was extracted from 2008, 2013, and 2018 Nigeria Demographic and Health Surveys. Descriptive analysis was presented using frequencies and percentages; multivariable analysis was conducted using log-binomial logistic regression at a p-value <0.05. All analyses were performed using Stata 15.0, weighted and adjusted for the complex survey design and population size. Results: The prevalence of teen motherhood increased between the three successive survey waves (50.9% vs. 52.4% vs. 55.2%) from 2008, 2013, and 2018. Although, the pooled adjusted analysis revealed no significant change over the 10-year period. Knowledge of modern contraceptive methods, primary education, non-Catholic Christians, residing in the South-South region, and those currently or formerly married were associated with increased risk of teen motherhood. There was an inverse relationship between teen motherhood and wealth status; lower wealth status was associated with high adolescent pregnancy and childbearing. Conclusion: This study revealed an increase in the proportion of teen pregnancy and childbearing in Nigeria. Notably, there exist variations across age groups, geographic location, educational level, religious belief, marital and economic status. Interventions that ensure comprehensive sexuality education, girl child education, and economic empowerment especially for school dropouts are advocated to reduce teen motherhood.
摘要：
背景：青少年怀孕和生育在尼日利亚很常见，理解复杂性，社会人口统计学和经济因素，包括青少年性健康和生殖健康知识和意识，随着时间的推移，可以引发创新的方法和干预措施。这项研究旨在捕获2008年至2018年间性活跃青少年（15-19岁）中青少年母亲的模式和相关因素。方法：研究数据来自2008年，2013年和2018年尼日利亚人口与健康调查。使用频率和百分比进行描述性分析；使用对数二项逻辑回归进行多变量分析，p值<0.05。所有分析均使用Stata15.0进行，并根据复杂的调查设计和人口规模进行加权和调整。结果：青少年母亲的患病率在三个连续的调查波中增加（50.9％vs.52.4%vs.55.2%），分别来自2008年、2013年和2018年。虽然,汇总调整后的分析显示,在这10年期间没有显著变化.现代避孕方法知识，小学教育,非天主教基督徒,居住在南南地区，目前或以前已婚的人与青少年母亲的风险增加有关。青少年母亲身份与财富状况之间存在反比关系；较低的财富状况与青春期怀孕和生育率高有关。结论：这项研究表明，尼日利亚青少年怀孕和生育的比例有所增加。值得注意的是,不同年龄组之间存在差异，地理位置,教育水平,宗教信仰,婚姻和经济状况。确保全面的性教育的干预措施，女童教育,和经济赋权，特别是为辍学提倡减少青少年母亲。
