Birth interval has received special attention in public health and demographic researches because of its implication in fertility, maternal and child health. Study of preferred birth interval also is a very important issue since it demonstrates people’s fertility attitude. In a cross sectional study, a structured questioner was used to collect 5260, Iranian pre-married youths in 2014, by multi-stage stratified sampling. In this study, influential factors on youths’ preferred birth interval investigated by non-parametric and parametric survival analysis and outcomes compared among Iranian provinces with low and high fertility levels. Results showed that factors affect on youths’ preferred birth interval were different between two province categories; youths’ Gender, place of residence, educational level, job status, ideal number of children, family income, sex preference, and age had significant effects on youths’ preferred birth interval in low fertility level provinces. However in high fertility level provinces, only youths’ place of residence, job status, family income, and age had significant effects on their preferred birth interval (p-value<0.05). Youths lived in urban area, with higher income and in older ages had longer preferred birth interval compared to those lived in rural area, with lower income and in younger ages in both province categories.
Preferred birth intervals, Pre-married youth, Kaplan-Meier, Log-Rank test, Parametric survival analysis, Iran.
Cite this paper
Mahsa Saadati, Arezoo Bagheri. (2019) Factors Affecting Preferred Birth Interval in Iran: Parametric Survival Analysis. International Journal of Cultural Heritage, 4, 40-48
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