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OBJECTIVES: This study examined whether US-born people and immigrants 25 years or older differ in their risks of all-cause and cause-specific mortality and whether these differentials, if they exist, vary according to age, sex, and race/ethnicity. METHODS: Using data from the National Longitudinal Mortality Study (1979-1989), we derived mortality risks of immigrants relative to those of US-born people by using a Cox regression model after adjusting for age, race/ethnicity, marital status, urban/rural residence, education, occupation, and family income. RESULTS: Immigrant men and women had, respectively, an 18% and 13% lower risk of overall mortality than their US-born counterparts. Reduced mortality risks were especially pronounced for younger and for Black and Hispanic immigrants. Immigrants showed significantly lower risks of mortality from cardiovascular diseases, lung and prostate cancer, chronic obstructive pulmonary diseases, cirrhosis, pneumonia and influenza, unintentional injuries, and suicide but higher risks of mortality from stomach and brain cancer and infectious diseases. CONCLUSIONS: Mortality patterns for immigrants and for US-born people vary considerably, with immigrants experiencing lower mortality from several major causes of death. Future research needs to examine the role of sociocultural and behavioral factors in explaining the mortality advantage of immigrants. [ABSTRACT FROM AUTHOR]

OBJECTIVES: This study examined whether there were significant differentials between US-born and foreign-born women in risks of infant mortality, low birthweight, and preterm birth and whether these differentials, if they existed, varied across major US racial/ethnic groups. METHODS: Multivariate logistic regression was applied to national linked birth/infant death records for 1985 through 1987 to estimate overall and ethnic-specific maternal nativity effects on pregnancy outcomes. RESULTS: Substantial maternal nativity differences in risks of infant mortality and low birthweight were found, with the magnitude of the nativity effect varying significantly across racial/ethnic groups. Overall, foreign-born status was associated with 7% and 20% lower risks of low birthweight and infant mortality, respectively. However, the reduced risk of adverse pregnancy outcome associated with immigrant status tended to be substantially larger for Blacks, Cubans, Mexicans, and Chinese than for other ethnic groups. CONCLUSIONS: Maternal nativity status, along with ethnicity, may serve as an important axis of differentiation in birth outcome studies. Further research needs to be conducted to assess the effects of behavioral, cultural, and psychosocial factors in explaining the nativity differentials observed here. [ABSTRACT FROM AUTHOR]

Objectives: We identified potential determinants and cause-specific sources of excess infant mortality among Native Hawaiians., Methods: We compared infant mortality rates among Native Hawaiians and Whites by using data from the 2002 to 2009 Hawai'i State Linked Birth/Infant Death Cohort File. We evaluated the components of excess infant mortality by age and underlying cause of death as well as maternal sociodemographic, behavioral, and chronic condition disparities., Results: The Native Hawaiian infant mortality rate was more than twice that for Whites (7.9 vs 3.5/1000 live births). Excess Native Hawaiian infant mortality was equally apportioned to neonatal and postneonatal deaths. Preterm-related causes of death accounted for 43.9% of the infant mortality disparity, followed by sudden unexpected infant death (21.6%) and injury (5.6%). In multivariable models, maternal educational inequality accounted for the largest portion of the neonatal mortality disparity (20.9%); younger maternal age (12.2%) and smoking (9.5%) were the only significant contributors to the postneonatal mortality disparity., Conclusions: Addressing educational inequalities, promoting safe sleep practices, and reducing smoking among Native Hawaiian mothers would help to eliminate excess infant mortality.

Objectives: We examined the association between the joint effects of children's immigrant family type and race/ethnicity on parenting aggravation., Methods: We analyzed data on a nationally representative sample of 101 032 children aged birth through 17 years from the 2003 National Survey of Children's Health., Results: Analysis of the Aggravation in Parenting Scale showed that 26% of foreign-born parents with foreign-born children were highly aggravated, followed by 22% of foreign-born parents with US-born children and 11% of US-born parents. Multivariable analyses indicated that all minority parents experienced high parenting aggravation compared with non-Hispanic White US-born parents; the odds of reporting parenting aggravation were 5 times higher for Hispanic foreign-born parents. All foreign-born parents, regardless of race/ethnicity, reported significantly elevated parenting aggravation. Parents of adolescents, children with special health care needs, and nontraditional and lower-income households were also more likely to report high parenting aggravation., Conclusions: Our findings clearly document significantly elevated levels of parenting aggravation among immigrant and minority families. Public health programs and clinicians should target referrals and interventions for these families to avoid potential health problems for both children and their families.

Objectives: We examined health status and health services access and utilization of Chinese, Filipino, Japanese, Korean, South Asian, Vietnamese, and non-Hispanic White children in California., Methods: We analyzed aggregated data from the 2003 and 2005 California Health Interview Survey (648 Chinese, 523 Filipino, 235 Japanese, 308 Korean, 314 South Asian, 264 Vietnamese, and 8468 non-Hispanic White children aged younger than 12 years), examining the relationship between Asian ethnicities and outcomes., Results: Compared with non-Hispanic White children, Korean children were 4 times more likely to lack health insurance; Filipino children were twice as likely to not have had recent contact with a doctor; Chinese, Korean, and Vietnamese children were less likely to have visited an emergency room in the past year; and Chinese, Korean, and Vietnamese children were more likely to be in fair or poor health. Age, gender, poverty, citizenship-nativity status, health insurance, and parental marital and child health statuses were related to most outcomes., Conclusions: Asian ethnicities have heterogeneous health care access and utilization patterns, suggesting the need for targeted outreach to different Asian ethnic groups.

Objectives: We sought to determine the impact of sociodemographic and behavioral factors and state legislation on breastfeeding initiation (child ever fed breastmilk) and duration., Methods: We used data from a nationally representative study of children aged 6 to 71 months (N = 33 121); we calculated unadjusted and adjusted state estimates for breastfeeding initiation and duration. We used logistic regression models to examine factors associated with never breastfeeding or breastfeeding less than 6 months. We conducted a multilevel analysis of state legislation's role., Results: There were wide state variations in breastfeeding initiation and duration. The western and northwestern states had the highest rates. Covariate adjustment accounted for 25% to 30% of the disparity. Multivariate analysis showed that the adjusted odds of not being breastfed were 2.5- to 5.15-times greater in southern states compared with Oregon (reference). Children in states without breastfeeding legislation had higher odds of not being breastfed., Conclusions: Sociodemographic and maternal factors do not account for most breastfeeding rate variation. The association with breastfeeding legislation should be explored and may reflect cultural norms.

Objectives: We used 4 waves of prospective data to examine the association of smoking cessation with financial stress and material well-being., Methods: Data (n = 5699 at baseline) came from 4 consecutive waves (2001-2005) of the Household Income and Labour Dynamics in Australia survey. We used mixed models to examine the participant-specific association of smoking cessation with financial stress and material well-being., Results: On average, a smoker who quits is expected to have a 25% reduction (P<.001; odds ratio [OR]=0.75; 95% confidence interval [CI]=0.69, 0.81) in the odds of financial stress. Similarly, the data provided strong evidence (P<.001) that a smoker who quits is likely to experience an enhanced level of material well-being., Conclusions: Our findings indicate that interventions to encourage smoking cessation are likely to improve standards of living and reduce deprivation. The findings provide grounds for encouraging the social services sector to incorporate smoking cessation efforts into their programs to enhance the material or financial conditions of disadvantaged groups. The findings also provide additional incentives for smokers to stop smoking and as such can be used in antismoking campaigns and by smoking cessation services.

Objectives: We examined the extent to which area socioeconomic inequalities in overall and cause-specific mortality among US children aged 1-14 years changed between 1969 and 2000., Methods: We linked a census-based deprivation index to US county mortality data from 1969 to 2000. We used Poisson and log-linear regression and inequality indices to analyze temporal disparities., Results: Despite marked declines in child mortality, socioeconomic gradients (relative mortality risks) in overall child mortality increased substantially during the study period. During 1969-1971, children in the most deprived socioeconomic quintile had 52%, 13%, 69%, and 76% higher risks of all-cause, birth defect, unintentional injury, and homicide mortality, respectively, than did children in the least deprived socioeconomic quintile. The corresponding relative risks increased to 86%, 44%, 177%, 159%, respectively from 1998-2000., Conclusions: Dramatic reductions in mortality among children in all socioeconomic quintiles represent a major public health success. However, children in higher socioeconomic quintiles experienced much larger declines in overall, injury, and natural-cause mortality than did those in more deprived socioeconomic quintiles, which contributed to the widening socioeconomic gap in mortality. Widening disparities in child mortality may reflect increasing polarization among deprivation quintiles in material and social conditions.

Objectives: This study examined age-, sex-, and race-specific gradients in US mortality by area deprivation between 1969 and 1998., Methods: A census-based area deprivation index was linked to county mortality data., Results: Area deprivation gradients in US mortality increased substantially during 1969 through 1998. The gradients were steepest for men and women aged 25 to 44 years and those younger than 25 years, with higher mortality rates observed in more deprived areas. Although area gradients were less pronounced for women in each age group, they rose sharply for women aged 25 to 44 and 45 to 64 years., Conclusions: Areal inequalities in mortality widened because of slower mortality declines in more deprived areas. Future research needs to examine population-level social, behavioral, and medical care factors that may account for the increasing gradient.

Objectives: This study examined rural-urban gradients in US suicide mortality and the extent to which such gradients varied across time, sex, and age., Methods: Using a 10-category rural-urban continuum measure and 1970-1997 county mortality data, we estimated rural-urban differentials in suicide mortality over time by multiple regression and Poisson regression models., Results: Significant rural-urban gradients in age-adjusted male suicide mortality were found in each time period, indicating rising suicide rates with increasing levels of rurality. The gradient increased consistently, suggesting widening rural-urban differentials in male suicides over time. When controlled for geographic variation in divorce rate and ethnic composition, rural men, in each age cohort, had about twice the suicide rate of their most urban counterparts. Observed rural-urban differentials for women diminished over time. In 1995 to 1997, the adjusted suicide rates for young and working-age women were 85% and 22% higher, respectively, in rural than in the most urban areas., Conclusions: The slope of the relationship between rural-urban continuum and suicide mortality varied substantially by time, sex, and age. Widening rural-urban disparities in suicide may reflect differential changes over time in key social integration indicators.

Objectives: This study examined trends and differentials in US childhood mortality from 1950 through 1993 according to sex, race/ethnicity, education, family income, and cause of death., Methods: Log-linear, multiple regression, and Cox proportional hazards regression models were applied to the data from the National Vital Statistics System, the National Longitudinal Mortality Study, and the Area Resource File., Results: Substantial declines in US childhood mortality have occurred in the past 4 decades, primarily due to decreases in mortality from unintentional injuries, cancer, pneumonia and influenza, and congenital anomalies. The overall declining trend, however, has been dampened by a twofold to threefold increase in the suicide and homicide rates among children since 1968. Male, Black, American Indian, Hawaiian, and Puerto Rican children and those in the lower socioeconomic strata were at an increased risk of death., Conclusions: Increasing trends in mortality from violence, firearm injuries, and human immunodeficiency virus/acquired immunodeficiency syndrome pose a major obstacle to continued declines in US childhood mortality. Reducing socioeconomic disparities and improving access to and use of health care may bring about further declines in overall and injury-related childhood mortality.

Using data from the National Vital Statistics System and the National Longitudinal Mortality Study, this study examined mortality trends and differentials from 1950 through 1993 among US adolescents and young adults according to sex, race/ethnicity, education, family income, marital status, and cause of dealth. No appreciable reduction in youth mortality has occurred, especially among men. Declines in youth mortality from accidents have been nearly ofset by increases in death rates from homicide, suicide, and firearm injuries. American Indians, Blacks, males, and those with least education and income were at increased risk of both overall and injury-specific youth mortality.

This paper examines the prevalence of multivitamin-mineral supplement use before and during pregnancy, as well as predictors of nonuse, in 9953 women who delivered live infants in the 1988 National Maternal and Infant Health Survey. Ninety-seven percent of the women were advised to take multivitamin-mineral supplements in prenatal care. Sixty-seven percent of Black mothers took supplements during pregnancy, as compared with 84% of White mothers. Multivariate analysis revealed that Black mothers; mothers who are less educated, younger, unmarried, and non-smokers; and mothers who participate in Women, Infants, and Children programs are at elevated risk for nonuse. These data help identify groups in need of supplementation guidance.

Objectives: This study examined long-term trends and differences in infant mortality in the United States from 1950 through 1991 according to race and ethnicity, education, family income, and cause of death. Forecasts are made through the year 2010., Methods: Log-linear regression models were applied to data from the National Vital Statistics System, National Linked Birth and Infant Death files, the National Maternal and Infant Health Survey, the National Natality Survey, and the National Infant Mortality Survey to model and forecast infant mortality., Results: Dramatic declines in the US infant mortality rate have occurred in the past 4 decades, largely as a result of declines in mortality from pneumonia and influenza, respiratory distress syndrome, prematurity and low birthweight, congenital anomalies, and accidents. Despite the overall reductions, however, substantial racial/ethnic, educational, and income differences in infant mortality still exist., Conclusions: The long-term downward trend in US infant mortality has not benefited Blacks and Whites equally. The Black/White disparity in infant mortality has not only persisted but increased over time and is not expected to diminish in the near future. Educational inequalities have also widened, and racial disparities have generally increased across all educational levels.

Objectives: This study examines differentials in mean birthweight and the risk for low birthweight among various Asian-American groups in New York State (n = 499,377)., Methods: Using resident singleton live-birth records from New York State for 1985 and 1986, Asian-American births were compared with Black, American Indian, and White births. Multivariate ordinary least squares and logistic regression models were used to analyze ethnic differences., Results: Compared with White births, the expected mean difference in birthweight was -115 g for Chinese, -235 g for Japanese, -164 g for Filipinos, -120 g for Blacks, and 74 g for American Indians. The risk for low birthweight was 45% higher for Filipinos and 49% higher for Blacks as compared with Whites., Conclusions: Results of this study suggest substantial heterogeneity in mean birthweight and risk for low birthweight among ethnic groups in general and the major Asian-American groups in particular. Interestingly, after controlling for ethnic differences in sociodemographic risk factors, Filipinos appear to resemble Blacks much more closely than they do their Japanese and Chinese counterparts with respect to risk for low birthweight.