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PubMed1997

Women's employment and the gain to marriage: the specialization and trading model.

"This chapter critically examines the hypothesis that women's rising employment levels have increased their economic independence and hence have greatly reduced the desirability of marriage. Little firm empirical support for this hypothesis is found. The apparent congruence in time-series data of women's rising employment with declining marriage rates and increasing marital instability is partly a result of using the historically atypical early postwar behavior of the baby boom era as the benchmark for comparisons and partly due to confounding trends in delayed marriage with those of nonmarriage."

Americas↗
PubMed2005

Social and economic development and change in four Guatemalan villages: demographics, schooling, occupation, and assets.

This article uses census data and village histories to examine changes over the last 35 years in the four villages where the Institute of Nutrition of Central America and Panama (INCAP) Longitudinal Study (1969-77) was conducted and offers a rare picture of development and change in rural localities over a long period of time. In addition, by characterizing the environment in which the subjects of this study were raised, we provide context for and inputs into quantitative analyses of data collected at various points in time on these subjects. The villages have undergone massive demographic, social, and economic change. Initial differences have conditioned many of these changes, especially differences associated with agricultural potential and location. Originally these villages were rather isolated, but road and transportation access has improved substantially. The populations in the villages have more than doubled and also have aged. While marriage patterns have held steady, religious practice has changed a great deal. After many years of steady out-migration, three of the four villages are more recently experiencing net in-migration, a pattern associated with ease of access. Schooling access and outcomes also have improved, with average grades of schooling nearly tripling and literacy doubling to levels currently above national averages. Although agriculture remains an important component of individual livelihood strategies, non-agricultural sources of employment have become more important. Much of this change is associated with declining agricultural markets and increased access to non-agricultural jobs near the villages and in the capital. Accompanying these changes has been an improvement in living standards as measured by a number of indicators of household living conditions and consumer durable goods.

Adolescent↗
PubMed2002

Characterization of two New York City Jewish populations at six short tandem repeat loci.

The Hasidic and non-Hasidic Jewish communities of New York City represent two subpopulations with long-documented histories of restrictive marriage patterns and a high degree of endogamy. As part of a continuing study into their genetic structure, allele frequencies were determined for the six tetrameric short tandem repeat (STR) loci: FESFPS, F13AO1, vWA, CSF1PO, TPOX, and THO1. All loci were tested for Hardy-Weinberg equilibrium (HWE) by three tests: chi-square analysis, Monte Carlo chi-square analysis. and the exact test. The non-Hasidic population failed to meet HWE at the F13A01, FESFPS, and CSF1PO loci by all three tests. The Hasidic population also failed to meet HWE at the same loci by some of the tests. Comparison of the Hasidic to the non-Hasidic population using an R x C contingency table demonstrated a similarity at only the vWA locus. Significant differences exist when comparing the two Jewish populations to a reference Caucasian population.

Alleles↗
PubMed2000

Nonmarital childbearing in the United States, 1940-99.

OBJECTIVES: This report presents information on trends and variations in nonmarital childbearing in the United States and includes information on the factors that have contributed to the recent changes. Data are presented for 1940-99 with emphasis on the trends in the 1990's. METHODS: Data in this report are presented on a variety of measures of nonmarital childbearing, including numbers, rates, and percent of births to unmarried women. Most of the data is from the National Vital Statistics System. Additional data explaining the trends shown are from the National Survey of Family Growth, the U.S. Census Bureau, and other national surveys. Data are presented and interpreted principally in charts and related tables. RESULTS: After rising dramatically during the half century from 1940 to 1990, out-of-wedlock childbearing leveled off, or slowed its rate of increase, in the 1990's. Many factors contributing to the long-term changes as well as more recent trends are described. These include changes in marriage patterns, sexual activity, contraceptive use, and abortion. The experience of the United States is put into context with data on nonmarital childbearing for other industrialized countries. Possible future trends in out-of-wedlock births are considered in the context of current population and birth patterns.

Adolescent↗
PubMedDate not supplied

An age and parity dependent model for birth intervals of non-contraceptive population.

"In this paper [an] age dependent model [for estimating birth intervals] is constructed which assumes that the women have already crossed the age of maximum fertility at the time of observation. The parameters of the model are assumed to depend upon the parity." This model is based on an earlier age-dependent model by the same authors and was designed to account for late marriage and high parity. The model was applied to information on 203 married, non-contracepting women from a village in Haryana, India, collected in May and June of 1978. (SUMMARY IN FRE AND ITA)

Age Factors↗