William Armando Vega

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BACKGROUND The Mexican American Prevalence and Services Survey presents lifetime prevalence rates for 12 DSM-III-R psychiatric disorders in a sample of 3012 adults of Mexican origin by place of residence and nativity, and compares these results with those of population surveys conducted in the United States and Mexico. METHODS The stratified random sample(More)
An overview is presented of the rationale, design, and analysis plan for the WMH-CIDI clinical calibration studies. As no clinical gold standard assessment is available for the DSM-IV disorders assessed in the WMH-CIDI, we adopted the goal of calibration rather than validation; that is, we asked whether WMH-CIDI diagnoses are 'consistent' with diagnoses(More)
This paper provides a rationale for, and overview of, procedures used to develop the National Latino and Asian American Study (NLAAS). The NLAAS is nationally representative community household survey that estimates the prevalence of mental disorders and rates of mental health service utilization by Latinos and Asian Americans in the US. The central aims of(More)
This article reports the results of a cross-national investigation of patterns of comorbidity between substance use and psychiatric disorders in six studies participating in the International Consortium in Psychiatric Epidemiology. In general, there was a strong association between mood and anxiety disorders as well as conduct and antisocial personality(More)
This study looks at the effect of social support mechanisms as potential moderators and mediators of the relationship between stressful acculturation experiences and self-ratings of physical health. Data are from a sample of 3012 Mexican-origin adults aged 18–59 sampled under a probabilistic, stratified, cluster sampling design in Fresno County, California.(More)
OBJECTIVE The purpose of this study was to ascertain the degree of underutilization of services for mental health problems among urban and rural Mexican American adults. METHOD A probability sample (N = 3,012) was used to represent the Mexican American population of Fresno County, California, and face-to-face interviews were conducted with the use of the(More)
AIMS To examine the effects of gender and acculturation on illicit drug use among the Mexican-origin population in California. DESIGN The 3012 subjects between 18 and 59 years of age were selected under a stratified, multi-stage cluster sampling method. SETTING Fresno County in California is primarily agricultural, with only one metropolitan area. Over(More)
We contend that perceived discrimination has an independent effect on depression outcomes among adults of Mexican origin. Using a sample of 3,012 Mexican-origin respondents in Fresno, California in 1995/96 (ages 18-59) we investigate the direct and moderating connections between perceived discrimination, acculturative stress, and mental health (CES-D). We(More)
The authors investigated whether self-rated health (SRH) had differential mortality risks for Latino(a) adults of various acculturation statuses living in the United States. They used cumulative National Health Interview Survey data from 1989 to 1994 (n = 37,713) linked with the National Health Interview Survey Multiple Cause of Death data files (1,364(More)
OBJECTIVE To determine the prevalence and adequacy of depression care among different ethnic and racial groups in the United States. DESIGN Collaborative Psychiatric Epidemiology Surveys (CPES) data were analyzed to calculate nationally representative estimates of depression care. SETTING The 48 coterminous United States. PARTICIPANTS Household(More)