Nasim Vahabi
Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
[ 1 ] - Assessment of length of stay in a general surgical unit using a zero-inflated generalized Poisson regression
Background: The effective use of limited health care resources is of prime importance. Assessing the length of stay (LOS) is especially important in organizing hospital services and health system. This study was conducted to identify predictors of LOS among patients who were admitted to a general surgical unit. Methods: In this cross-sectional study, the sample included all patien...
[ 2 ] - Length and weight growth trends for children less than two years old in Zanjan, Iran: Longitudinal modeling
Background: Growth failure in children less than five years old can lead to the serious complications such as increased mortality, learning difficulties or physical disability. The aim of this study was to investigate the non-organic factors affecting the growth trend in less than two years children living in Zanjan, Iran. Methods: This longitudinal study was conducted on a sample of ...
[ 3 ] - Prediction of unwanted pregnancies using logistic regression, probit regression and discriminant analysis
Background: Unwanted pregnancy not intended by at least one of the parents has undesirable consequences for the family and the society. In the present study, three classification models were used and compared to predict unwanted pregnancies in an urban population. Methods : In this cross-sectional study, 887 pregnant mothers referring to health centers in Khorramabad, Iran, in 2012 were ...
[ 4 ] - The study of marital satisfaction in older woman-younger man marriages
Background: Marital satisfaction is one of the most important factors in the stability of the family. In recent years, by changing the pattern of marriage we can see the increase of marriages in which the women are older than men. The aim of this study was assessing the marital satisfaction in older woman-younger man marriages. Methods: In this descriptive-analytic study, 52 couples from Najaf...