Kodzi Ivy A, Johnson David R, Casterline John B
Post-doctoral Research Fellow. African Population and Health Research Center. Shelter Afrique, Longonot Road, Upper Hill. P.O Box 10787, 00100-GPO, Nairobi, Kenya.
Demogr Res. 2010 May 26;22:965-984. doi: 10.4054/DemRes.2010.22.30.
Despite extensive research, doubts remain regarding the degree of correspondence between prior stated fertility preferences and subsequent fertility behavior. Preference instability is a factor that potentially undermines predictiveness. Furthermore, if other predictors of fertility substantially explain fertility, then knowledge of preferences may contribute little to explaining or predicting individual fertility behavior. In this study, we examined these aspects of the study of individual fertility preference-behavior consistency. Using a prospective multi-wave panel dataset, we modeled the monthly likelihood of conception, taking into account the dynamic nature of preferences, and controlling for changing reproductive life cycle factors and stable socioeconomic background predictors of fertility. We demonstrate from a sample of fecund married Ghanaian women that fertility preferences retain independent predictive power in the model predicting the likelihood of conception.
尽管进行了广泛的研究,但对于先前陈述的生育偏好与随后的生育行为之间的对应程度仍存在疑问。偏好不稳定性是一个可能削弱预测性的因素。此外,如果生育的其他预测因素能充分解释生育情况,那么偏好知识对于解释或预测个体生育行为可能贡献不大。在本研究中,我们考察了个体生育偏好与行为一致性研究的这些方面。利用一个前瞻性多波面板数据集,我们对受孕的月度可能性进行建模,同时考虑偏好的动态性质,并控制生育生命周期因素的变化以及生育的稳定社会经济背景预测因素。我们从有生育能力的已婚加纳妇女样本中证明,生育偏好在预测受孕可能性的模型中保留了独立的预测能力。