|Marriage to first birth interval; A Cross- Sectional study in Terhran (Iran)|
|Mahsa Saadati, Arezoo Bagheri, Adel Abdolahi|
|National Population Studies & Comprehensive Management Institute, Tehran, Iran|
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Keywords : First birth intervals, Kaplan-Meier estimates, Cox model, Tehran, Iran
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Objectives: One of the features of below replacement fertility level is increasing the first birth interval which has occurred at the same time with rising women’s marriage age, in recent years, in Iran. Since determination of factors affecting childbearing delay can provide convenient approaches to prevent fertility decline, the aim of this study was to evaluate socio-economic factors influenced the first birth interval of married women, in Tehran province, in Iran.
Materials and Methods: In a cross sectional study, 610, 15-49-year-old married women were gathered, by the stratified random sampling and a structured questionnaire in 2017. Women’s first birth intervals were compared in confronting some demographic and socio-economic factors by Kaplan-Meier estimates and Log-Rank test as univariate, and Cox model as multivariate survival analysis in Spss 22.
Results: The mean of women’s first birth intervals was 3.181±0.101 years. Women’s educational level and social insecurity had significant effects on the first birth interval (p-value<0.05). By increasing educational level and social insecurity, the first birth interval also increased. Women with “secondary and high school” and “MS and PhD” educational levels had the least and greatest first birth intervals, respectively.
Conclusion: According to results, unless governments provide the condition of social security, reducing the interval between marriage age and childbearing will not be attained.
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