In Table3, we present the descriptive statistics and regression coefficients for the difference in gestational age standardized birth size measures of twins in relation to the sex of their co-twin. Birth weight was 0.028 z-score greater in OS than in SS twins of both sexes, that is, standard...
A woman's successive offspring tend to have similar birthweights. We use data from the Medical Birth Registry of Norway to describe weight and perinatal mortality of second births given the weight of the mother's first birth. Mean weights among second births differ by as much as 1000 grams,...
Guide to DHS Statistics. The purpose of this guide is twofold: 1. To provide an overview on key aspects of the organization and use of DHS data sets 2. To serve as a reference docu... SO Rutstein,G Rojas - 《Calverton Maryland Orc Macro Measure Dhs+ Sep》 被引量: 614发表: 2003年...
In addition, the underreporting of female births inflates this imbalance in the statistics. 3 China’s practice of addressing the skewed SRB The rise and decline of the SRB in China coincides with the country’s rapid socio-economic development during the past several decades. Active governance ...
Birth control methods, which are now considered part of standard preventative health care, give women the ability to make their own decisions about family planning. Increased access to birth control can also change many of the grim statistics related to rates of abortion, maternal and newborn ...
While reducing the level of childbearing and the rate of natural increase population policy in China and its associated family planning program also caused the sex ratio in the country to increase from 108.4 males per 100 females in 1981 to more than 111 for the calendar year 1989 and 111.8 ...
The problem is that the idiots that have kids when they shouldn’t are far too idiotic to use birth control or any other contraception. This isn’t a rational decision that they make, most don’t write up a budget and decide if they can afford a child or not. Most go out, get wast...
Heitjan and Rubin (1991, Annals of Statistics 19, 2244-2253) define data to be "coarse" when one observes not the exact value of the data but only some set... DF Heitjan - 《Biometrics》 被引量: 881发表: 1993年 Reliability and Validity of Self-Report Measures of HIV-Related Sexual ...
The right to abortion has been recognized and statistics show that abortion has not come to be used as a contraceptive method. The law is however unequally applied throughout the national territory. Following the reunification of Germany the Parliament voted to extend the right to abortion existing...
- National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System 被引量: 3发表: 2012年 Trends in Repeat Births and Use of Postpartum Contraception Among Teens — United States, 2004–2015 Repeat teen...