Jennifer Van Hook

A decomaosition of trends in poverty among children of immigrants

Poverty levels among all children in the United States have tended to fluctuate in the past 30 years. However, among the children of immigrants, child poverty increased steadily and rapidly from about 12% in 1970 to 33% in the late 1990s before declining to about 21% in 2000. Using 1970, 1980, 1990, and 2000 Public Use Microdata Samples data, we identified key factors that underlie the fluctuations in immigrant child poverty from 1969 to 1999 and the divergence from children of natives. We found that roughly half the absolute increase in immigrant child poverty can be linked to changing conditions in the U.S. economy that make it more difficult to lift a family out of poverty than 30 years ago. These changes occurred disproportionately among children of parents with lower levels of education, employment, and U.S. experience but not among racial/ethnic minorities. Poverty risks among various racial and ethnic groups converged over time. The relative increase in poverty for immigrant versus native children owes largely to the divergence between immigrant and native families in racial/ethnic composition, parental education, and employment.

Immigration and living arrangements: Moving beyond economic need versus acculturation

Prior research seeking to explain variation in extended family coresidence focused heavily on the potentially competing roles of cultural preferences and socioeconomic and demographic structural constraints. We focus on challenges associated with international immigration as an additional factor driving variation across groups. Using 2000 census data from Mexico and the United States, we compare the prevalence and age patterns of various types of extended family and non-kin living arrangements among Mexican-origin immigrants and nonimmigrants on both sides of the U.S.-Mexico border. Additionally, we use the Survey of Income and Program Participation to examine the stability of extended family living arrangements among Mexican-origin immigrants and natives in the United States. We find that newly arrived immigrants to the United States display unique patterns in the composition and stability of their households relative to nonimmigrants in both Mexico and the United States. Recent immigrants are more likely to reside in an extended family or non-kin household, and among those living with relatives, recent immigrants are more likely to live with extended family from a similar generation (such as siblings and cousins). Further, these households experience high levels of turnover. The results suggest that the high levels of coresidence observed among recently arrived Mexican immigrants represent a departure from “traditional” household/family structures in Mexico and are related to the challenges associated with international migration.

Circular, invisible, and ambiguous migrants: Components of difference in estimates of the number of unauthorized Mexican migrants in the United States

Based on an equation that can be used with available data and that provides a basis for facilitating decomposition analyses, this research estimates that about 2.54 million total (as opposed to enumerated) unauthorized Mexicans resided in the United States in 1996. Comparing this figure with an estimate of about 2.70 million released by the U.S. Immigration and Naturalization Service (INS) during the 1990s, we find that the two estimates involve different assumptions about circular, invisible, and ambiguous migrants. Such differences not only can have important policy implications; they can also be sizable and can operate in opposite directions, as illustrated by findings from a components-of-difference analysis. The results are also extrapolated to 2000, and implications for 2000 census counts are discussed.

Big Boys and Little Girls Gender, Acculturation, and Weight among Young Children of Immigrants

Previous research fails to find a consistent association between obesity and acculturation for children. We theorize that social isolation shelters children of immigrants from the U.S. “obesiogenic” environment, but this protective effect is offset by immigrant parents’ limited capacity to identify and manage this health risk in the United States. We further theorize that these factors affect boys more than girls. We use data from over 20,000 children in the Early Childhood Longitudinal Study Kindergarten Cohort and find that boys whose parents were raised outside the United States weighed more and gained weight faster than any other group. However, within this group, sons of low English-proficient parents gained weight more slowly than sons of English-proficient parents. The results thus suggest that two dimensions of low acculturation—foreign place of socialization and social isolation—affect children’s weight gain in opposite directions and are more important for boys than girls.

FOREIGN-BORN EMIGRATION: A NEW APPROACH AND ESTIMATES BASED ON MATCHED CPS FILES*

The utility of postcensal population estimates depends on the adequate measurement of four major components of demographic change: fertility, mortality, immigration, and emigration. Of the four components, emigration, especially of the foreign-born, has proved the most difficult to gauge. Without “direct” methods (i.e., methods identifying who emigrates and when), demographers have relied on indirect approaches, such as residual methods. Residual estimates, however, are sensitive to inaccuracies in their constituent parts and are particularly ill-suited for measuring the emigration of recent arrivals. Here we introduce a new method for estimating foreign-born emigration that takes advantage of the sample design of the Current Population Survey (CPS): repeated interviews of persons in the same housing units over a period of 16 months. Individuals appearing in a first March Supplement to the CPS but not the next include those who died in the intervening year, those who moved within the country, and those who emigrated. We use statistical methods to estimate the proportion of emigrants among those not present in the follow-up interview. Our method produces emigration estimates that are comparable to those from residual methods in the case of longer-term residents (immigrants who arrived more than 10 years ago), but yields higher—and what appear to be more accurate—estimates for recent arrivals. Although somewhat constrained by sample size, we also generate estimates by age, sex, region of birth, and duration of residence in the United States.

Competitive Food Sales in Schools and Childhood Obesity A Longitudinal Study

The vast majority of American middle schools and high schools sell what are known as “competitive foods,” such as soft drinks, candy bars, and chips, to children. The relationship between consumption of sugar-sweetened drinks and snacks and childhood obesity is well established, but it remains unknown whether competitive food sales in schools are related to unhealthy weight gain among children. The authors examined this association using data from the Early Childhood Longitudinal Study, Kindergarten Class. Employing fixed effects models and a natural experimental approach, they found that children’s weight gain between fifth and eighth grades was not associated with the introduction or the duration of exposure to competitive food sales in middle school. Also, the relationship between competitive foods and weight gain did not vary significantly by gender, race/ethnicity, or family socioeconomic status, and it remained weak and insignificant across several alternative model specifications. One possible explanation is that children’s food preferences and dietary patterns are firmly established before adolescence. Also, middle school environments may dampen the effects of competitive food sales because they so highly structure children’s time and eating opportunities.

Un)Healthy Immigrant Citizens Naturalization and Activity Limitations in Older Age

This research argues that immigrants’ political, social, and economic incorporation experiences, which are embedded in individual life course trajectories and heavily influenced by governmental policies, play an important role in producing diverse health outcomes among older U.S. foreign-born persons. Using data from the 2008–2010 American Community Survey and 1998–2010 Integrated Health Interview Series, we demonstrate how naturalization, a key indicator of social and political inclusion, is related to functional health in midlife and older age. Consistent with the theoretical framework, we find that among those foreign-born who immigrated as children and young adults, naturalized citizens show better health at older ages compared with noncitizens, although this relationship is partly mediated by education. But among those older foreign-born who immigrated at middle and older ages, naturalized citizens report worse health compared with noncitizens. Moreover, this negative health selection into naturalization becomes stronger for those naturalizing after the 1996 Welfare Reform Act.

Can We Measure Immigrants' Legal Status? Lessons from Two U.S. Surveys

This research note examines response and allocation rates for legal status questions asked in publicly available U.S. surveys to address worries that the legal status of immigrants cannot be reliably measured. Contrary to such notions, we find that immigrants’ non-response rates to questions about legal status are typically not higher than non-response rates to other immigration-related questions, such as country of birth and year of immigration. Further exploration of two particular surveys – the Los Angeles Family and Neighborhood Survey (LAFANS) and the Survey of Income and Program Participation (SIPP) – reveals that these data sources produce profiles of the unauthorized immigrant population that compare favorably to independently estimated profiles. We also find in the case of the SIPP that the introduction of legal status questions does not appear to have an appreciable “chilling effect” on the subsequent survey participation of unauthorized immigrant respondents. Based on the results, we conclude that future data collection efforts should include questions about legal status to (1) improve models of immigrant incorporation; and (2) better position assimilation research to inform policy discussions.

Diversity and Change in the Institutional Context of Immigrant Adaptation: California Schools 1985-2000

This article brings attention to a structural dimension of the schooling context that may affect the incorporation of immigrant youths. Using administrative data about students in California public schools, we found that Spanish-speaking, limited English-proficient (LEP) children have become increasingly more likely to attend schools with low-income, minority, and LEP students than other non-LEP and LEP groups. Nearly all the change in school composition can be attributed to statewide shifts in the composition of the school-aged population. But compositional changes have disproportionately occurred in schools attended by Spanish-speaking LEP students as a result of district-level patterns of segregation by income, race/ethnicity, and language.

Can we spin straw into gold? An evaluation of immigrant legal status imputation approaches.

Researchers have developed logical, demographic, and statistical strategies for imputing immigrants’ legal status, but these methods have never been empirically assessed. We used Monte Carlo simulations to test whether, and under what conditions, legal status imputation approaches yield unbiased estimates of the association of unauthorized status with health insurance coverage. We tested five methods under a range of missing data scenarios. Logical and demographic imputation methods yielded biased estimates across all missing data scenarios. Statistical imputation approaches yielded unbiased estimates only when unauthorized status was jointly observed with insurance coverage; when this condition was not met, these methods overestimated insurance coverage for unauthorized relative to legal immigrants. We next showed how bias can be reduced by incorporating prior information about unauthorized immigrants. Finally, we demonstrated the utility of the best-performing statistical method for increasing power. We used it to produce state/regional estimates of insurance coverage among unauthorized immigrants in the Current Population Survey, a data source that contains no direct measures of immigrants’ legal status. We conclude that commonly employed legal status imputation approaches are likely to produce biased estimates, but data and statistical methods exist that could substantially reduce these biases.