Survival Time of Young Women Childbearing in Tehran
الموضوعات :Adel Abdollahi 1 , Arezoo Bagheri 2 , Mahsa Saadati 3
1 - Assistant Professor, Department of Population, Environment and Development, National Institute of Population Research, Tehran, Iran
2 - Associate Professor, Department of Statistical Methods and Modeling, National Population Studies & Comprehensive Management Institute, Tehran, Iran
3 - Associate Professor, Department of Statistical Methods and Modeling Department, National Population Studies & Comprehensive Management Institute, Tehran, Iran
الکلمات المفتاحية: Iran, Tehran, Young women, First birth intervals, Kaplan-Meier, Log-Rank test,
ملخص المقالة :
Since determination of factors influencieng childbearing delay can provide convenient approaches to prevent fertility decline, nowadays studying this issue is an important issue for demographers and it is also emphasized by planners and politicians. The aim of this study is to evaluate factors influencing first birth interval among 458, young Iranian married women in Tehran province. In this cross sectional study, stratified random sampling was used to collect data of a structured questioner in 2017. Women’s first birth interval was compared in confronting some demographic, socioeconomic and attitudinal factors by Kaplan-Meier estimates and Log-Rank test as non-parametric survival analysis tools. The mean of women’s first birth interval was 3.33±2.67 years with a median of 3.00 years. Kaplan-Meier estimates were significantly different between levels of women’s and their husband’s educational level, activity, and post materialism factor (p-value<0.05). Women with university education and who had husbands with university educational level had the largest first birth interval among all other educational levels. Employed women had longer first birth interval than unemployed ones. Women lived with employed husband had shorter first birth interval. High post materialism women had the largest first birth interval.
Abbasi, M. J., McDonald, P., & Hosseini-Chavoshi, M. (2009). The fertility transition in Iran. Revolution and Reproduction, 75, 23-33.
Abbasi-Shavazi, MJ, and Razeghi-Nasrabad, A. (2012). Patterns and factors affecting marriage to first birth interval in Iran. Journal of Population Association of Iran,5 (9): 75-107.
Ajzen, I. (1991). The theory of planned behavior. Organizational Behavior and Human Decision Processes, 50(2), 179-211.
Bagheri, A, Saadati M. (2016). Women’s preferred birth interval in Iran: Non-parametric survival analysis. European Population Conference (EPC).
Erfani, A. (2010). Tehran survey of fertility, 2009: Final report. Tehran, Iran: Population Studies and Research Center in Asia and the Pacific.
Eryurt, M. A., & Koç, I. (2012). Internal migration and fertility in Turkey: Kaplan-Meier survival analysis. International Journal of Population Research, 3, 16-26.
Feeney, G., & Yu, J. (1987). Period parity progression measures of fertility in China. Population Studies, 41(1), 77-102.
Felmlee, D. H. (1995). Causes and consequences of women's employment discontinuity, 1967-1973. Work and Occupations, 22(2), 167-187.
Fishbein, M., & Ajzen, I. (2010). Prediction and change of behavior: The reasoned action approach.
Gyimah, S. O. M. (2002). The dynamics of spacing and timing of births in Ghana. PSC Discussion Papers Series, 16(4), 11-22.
Hakim, C. (2002). Lifestyle preferences as determinants of women's differentiated labor market careers. Work and Occupations, 29(4), 428-459.
Harrington, D. (2005). Linear rank tests in survival analysis. Encyclopedia of biostatistics.
Hirschman, C. (1985). Premarital socioeconomic roles and the timing of family formation: A comparative study of five Asian societies. Demography, 22(1), 35-59.
Kamal, A., Pervaiz, M. K. (2012). Determinants of Higher order in birth intervals in Pakistan. Journal of Statistics, 19(1)13-20.
Kravdal, O. (1994). The importance of economic activity, economic potential and economic resources for the timing of first births in Norway. Population Studies, 48(2), 249-267.
LaCaille L. (2013). Theory of Reasoned action. In: Gellman M.D., Turner J.R. (eds) Encyclopedia of Behavioral Medicine. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-1005-9_1619
McDonald, P., Hosseini-Chavoshi, M., Abbasi Shavazi, M. J., & Rashidian, A. (2015). An assessment of recent Iranian fertility trends using parity progression ratios. Demographic Research, 32, 1581-1602.
Nath, D.C., Leonetti, D. L. and Steele, M. (2000). Analysis of birth intervals in a non-contracepting Indian population: An evolutionary ecological approach. Journal of biosocial Science, 32, 343-354.
National Research Council & Committee on Population. (2005). Growing up global: The changing transitions to adulthood in developing countries. National Academies Press.
Pillai, V. K. (2010). Child spacing and contraception among the poor in Zambia.
Rindfuss, R. R., Morgan, S. P., & Swicegood, G. (1988). First births in America: Changes in the timing of parenthood (Vol. 2). California: California Press.
Rodriguez, G., & Hobcraft, J. N. (1980). Illustrative analysis: life table analysis of birth intervals in Colombia.
Saadati, M., bagheri, A., Razeghi, H. (2015). First birth interval and its determinants in Semnan Province by parametric survival model. Journal of Population Association of Iran, 10(19), 63-87.
Setty-Venugopal, V., & Upadhyay, U. D. (2002). Birth spacing: three to five saves lives. Population Reports. Issues in World Health, 1, 1-23.
