background: there is an international emphasis on providing timely and high quality data to monitor progress of countries toward millennium development goals. iran’s multiple indicator demographic and health survey (irmidhs) aimed to provide valid information on population and health outcomes to monitor progress in achieving national priorities and health programs and to assist policy makers to...

While the aged as a group have better access to health care since the inception of Medicare, there are subsets of the population that are still vulnerable to large out-of-pocket expenses. The focus of this analysis is on those segments of the Medicare population which are particularly vulnerable to access problems due to their personal characteristics. In particular, using data from the Nationa...

Evidence provided by Weir and Smith, particularly the findings from the National Health and Nutrition Examination Survey (NHANES), leads us to conclude that an increase in arthritis prevalence during the 1990s in the United States is probable, but the trend is likely overstated in the Health and Retirement Study (HRS). We show that a mistake in our earlier method does not change substantively o...

trends in cholesterol level of different populations have been investigated in several studies. this study is conducted to determine the trend of cholesterol level of iranian adults from 1990 to 2007. data on cholesterol measurements of four national health surveys that have been carried out in iran used in this study. cholesterol level of 12728 adults aged 25-64 were measured in 1990-1 survey....

KEY FINDINGS Although the Asian or Pacific Islander federal race category was split into two in 1997 (1), few reliable health statistics are available for the Native Hawaiian and Pacific Islander (NHPI) population. In 2014, the National Center for Health Statistics (NCHS) fielded a first-of-its-kind federal survey focused exclusively on NHPI population health. This report uses data from that su...

OBJECTIVE This study is a descriptive investigation of trends in BMI in the USA over time, across race/ethnicity, gender, and socioeconomic status (SES) groups, and across different datasets. METHODS The study analyzes micro-level data from three widely used cross-sectional US health datasets: the National Health and Nutrition Examination Survey (NHANES), the National Health Interview Survey ...

BACKGROUND We explored racial/ethnic differences in perceived cancer risk and determinants of these differences in a nationally representative sample of whites, blacks, Hispanics, and Asians. METHODS Multiple regression techniques, including mediational analyses, were used to identify determinants and quantify racial/ethnic differences in the perception of the risk of developing cancer among ...

Methods Data are based upon the Adult Complementary and Alternative Medicine supplement, the Sample Adult core, and the Family core components of the 2007 NHIS. The survey contained reasons for using CIH including treatment of a specific health problem, general wellness or general disease prevention, and other reasons. We created four mutually exclusive categories for analysis: 1) “yes” to trea...

These data highlights are based on analysis of the 2001 National Health Interview Survey (NHIS) public use data (http://www.cdc. gov/nchs/nhis.htm). NHIS is a multi-purpose survey conducted by the National Center for Health Statistics, Centers for Disease Control and Prevention. NHIS has been conducted continuously since 1957.

In his 1987 classic book on multiple imputation (MI), Rubin used the fraction of missing information, γ, to define the relative efficiency (RE) of MI as RE = (1 + γ/m)-1/2, where m is the number of imputations, leading to the conclusion that a small m (≤5) would be sufficient for MI. However, evidence has been accumulating that many more imputations are needed. Why would the apparently sufficie...