Yifu Chen

Yifu Chen
National Taipei University · Department of Sociology

Ph.D

About

66
Publications
6,301
Reads
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3,586
Citations
Citations since 2016
2 Research Items
1854 Citations
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400

Publications

Publications (66)
Article
Objectives: This study was designed to test the hypothesis that African American preadolescents who participated in a family-centered parenting intervention at age 11 would show lower levels of cotinine, a biomarker for recent smoking, at age 20 than would similar participants in the control condition. The study was also designed to test the hypot...
Article
This study investigated the influences of neighborhood factors (residential stability and neighborhood disadvantage) and variants of the serotonin transporter linked polymorphic region ( 5-HTTLPR ) genotype on the development of substance use among African American children aged 10–24 years. To accomplish this, a harmonized data set of five longitu...
Article
Purpose The purpose of this study was to use pooled data from two independent studies of rural African-American youths to test the moderation effect of the corticotropin-releasing hormone receptor 1 gene (CRHR1) on the link between family economic hardship and trajectories of depressive symptoms. Methods Two longitudinal studies were conducted inv...
Conference Paper
Past research has shown the salient influence of early family financial stress or poverty on behavior adjustment and quality of life during adolescence and young adulthood (Conger & Elder 1994; Conger, Conger, & Monica 2011). On theoretical level, both family stress model (Conger et al. 1994) and life history theory (Belsky, Schlomer, & Ellis 2011)...
Article
Early sexual onset and its consequences disproportionately affect African-American youth, particularly male youth. The dopamine receptor D4 gene (DRD4) has been linked to sexual activity and other forms of appetitive behavior, particularly for male youth and in combination with environmental factors (gene × environment [G × E] effects). The differe...
Article
A randomized prevention trial was conducted contrasting families who took part in the Strong African American Families Program (SAAF), a preventive intervention for rural African American parents and their 11-year-olds, with control families. The trial, which included 671 families, indicated that intervention-induced changes occurred in interventio...
Article
Full-text available
Sexually transmitted infections disproportionately affect African Americans, particularly young women. The influence of a set of interrelated protective parenting processes-instrumental and emotional support, sexual risk communication, and encouragement of goals for employment or education-on emerging adult women was examined. Parenting was hypothe...
Article
Accumulating evidence suggests that African American men and women experience unique challenges in developing and maintaining stable, satisfying romantic relationships. Extant studies have linked relationship quality among African American couples to contemporaneous risk factors such as economic hardship and racial discrimination. Little research,...
Article
Full-text available
This study's purpose was to learn why some youth who participated in the Strong African American Families (SAAF) program increased alcohol use after 2 years whereas other youth did not. Using a sample of 28 African American caregiver-youth dyads, the authors collected qualitative data to explore these issues. Findings underscore the importance of c...
Article
Objective: The purpose of this study was to investigate a genetic moderation effect of dopamine receptor-4 gene (DRD4) alleles that have 7 or more repeats on the efficacy of a preventive intervention to deter rural African American adolescents' substance use. Methods: Adolescents (N = 502, M age = 16 years) were assigned randomly to the Strong A...
Article
Programmatic cost analyses of preventive interventions commonly have a number of methodological difficulties. To determine the mean total costs and properly characterize variability, one often has to deal with small sample sizes, skewed distributions, and especially missing data. Standard approaches for dealing with missing data such as multiple im...
Article
Background: Randomized prevention trials provide a unique opportunity to test hypotheses about the interaction of genetic predispositions with contextual processes to create variations in phenotypes over time. Methods: Using two longitudinal, randomized prevention trials, molecular genetic and alcohol use outcome data were gathered from more than 9...
Article
This study was designed to examine the prospective relations of life stress and genetic status with increases in drug use. African Americans (N = 399) in rural Georgia (Wave 1 mean age = 17 years) provided three waves of data across 27.5 months and a saliva sample from which the dopamine receptor D4 (DRD4) gene was genotyped. Multilevel growth curv...
Article
The Strong African American Families-Teen (SAAF-T) program, a family-centered preventive intervention that included an optional condom skills unit, was evaluated to determine whether it prevented unprotected intercourse and increased condom efficacy among rural African American adolescents. Ancillary analyses were conducted to identify factors that...
Article
The health disparities literature has identified a common pattern among middle-aged African Americans that includes high rates of chronic disease along with low rates of psychiatric disorders despite exposure to high levels of cumulative socioeconomic status (SES) risk. The current study was designed to test hypotheses about the developmental precu...
Article
The purpose of this study was to investigate interactions between exposure to supportive family environments and genetic characteristics, which were hypothesized to forecast variations in allostatic load (AL) in a representative sample of 315 rural African American youths. Data on family environments were gathered when youths were 11-13, and geneti...
Article
Full-text available
This study was designed to test hypotheses about the prospective association of adolescents' perceptions of discrimination with increases in substance use and the processes that mediate this association. African American youths residing in rural Georgia (n = 573; mean age = 16.0 years) provided longitudinal data on their experiences with discrimina...
Article
Full-text available
This report addresses the long-term efficacy of the Adults in the Making (AIM) prevention program on deterring the escalation of alcohol use and development of substance use problems, particularly among rural African American emerging adults confronting high levels of contextual risk. African American youths (M age, pretest = 17.7 years) were assig...
Article
Full-text available
The present research addressed the following important question in pediatric medicine: Can participation in a new family-centered preventive intervention, the Strong African American Families-Teen (SAAF-T) program, deter conduct problems, substance use, substance use problems, and depressive symptoms among rural black adolescents across 22 months?...
Article
This study addresses two limitations in the literature on family-centered intervention programs for adolescents: ruling out nonspecific factors that may explain program effects and engaging parents into prevention programs. The Rural African American Families Health project is a randomized, attention-controlled trial evaluating the efficacy of the...
Article
A longitudinal model that tested mediating pathways between protective family processes and HIV-related behavior was evaluated with 195 African American youth. Three waves of data were collected when the youth were 13, 15, and 19 years old. Evidence of mediation and temporal priority were assessed for three constructs: academic engagement, evaluati...
Article
This study examined the prospective relations of adolescents' perceptions of discrimination and their genetic status with increases in conduct problems. Participants were 461 African American youths residing in rural Georgia (Wave 1 mean age = 15.5 years) who provided three waves of data and a saliva sample from which a polymorphism in the SCL6A4 (...
Article
Full-text available
AIDS is the leading killer of African Americans between the ages of 25 and 44, many of whom became infected when they were teenagers or young adults. The disparity in HIV infection rate among African Americans youth residing in rural Southern regions of the United States suggests that there is an urgent need to identify ways to promote early preven...
Article
Full-text available
A 3-wave model linking natural mentoring relationships to externalizing behavior was tested with 345 rural African American emerging adults in their final year of high school. Structural equation models were executed linking multi-informant reports of mentor-emerging adult relationship quality with youths' externalizing behavior 18 months later. Co...
Article
Obtaining representative samples from populations of emerging adults who do not attend college is challenging for researchers. This article introduces respondent-driven sampling (RDS), a method for obtaining representative samples of hard-to-reach but socially interconnected populations. RDS combines a prescribed method for chain referral with a ma...
Article
Full-text available
In this brief report, the hypothesis that self-regulatory problems would mediate the association between contextual stressors and unprotected intercourse among rural African American young adult men was investigated. Family support and religiosity were hypothesized to ameliorate the influence of contextual stressors on self-regulatory problems. Hyp...
Article
This study focused on the buffering effects of Adults in the Making (AIM), a family-centered preventive intervention, on the link between life stress and increases in risk behaviors among 347 rural, southern African Americans as they left high school. Of the families, 174 were assigned to the prevention condition and 173 to a control condition. Eme...
Article
Objectives Despite increasing risk for human immunodeficiency virus (HIV) and other sexually transmitted infections (STIs), few data are available concerning the factors associated with risky sexual behavior among African American young adults who do not attend college. Additionally, the possibility that different risk mechanisms affect men and wom...
Article
Full-text available
A longitudinal, prospective design was used to investigate a moderation effect in the association between early adolescent substance use and risky sexual behavior 2 years later. A genetic vulnerability factor, a variable nucleotide repeat polymorphism (VNTR) in the promoter region of the serotonin transporter gene SLC6A4, known as 5-HTTLPR, was hyp...
Article
Full-text available
Despite increasing risk for human immunodeficiency virus (HIV) and other sexually transmitted infections (STIs), few data are available concerning the factors associated with risky sexual behavior among African American young adults who do not attend college. Additionally, the possibility that different risk mechanisms affect men and women remains...
Article
Full-text available
A three-wave cascade model linking life stress to increases in risk behavior was tested with 347 African American emerging adults living in the rural South. Data analyses using structural equation modeling and latent growth curve modeling demonstrated that life stress was linked to increases in risk behavior as African Americans transitioned out of...
Article
Full-text available
This report extends earlier accounts by addressing the effects of the Strong African American Families (SAAF) program across 65 months. Two hypotheses were tested: (a) Rural African American youths randomly assigned to participate in SAAF would demonstrate lower rates of alcohol use than would control youths more than 5 years later, and (b) SAAF's...
Article
This study examined the longitudinal association between contextual stress and health risk behaviors and the role of protective factors in a community epidemiologically-defined sample of urban African American adolescents (N = 500; 46.4% female). Structural equation modeling was used to create a latent variable measuring contextual stress (communit...
Article
1397 Poster Board I-419 Background Caregivers of children with sickle cell disease (SCD) have high levels of stress and depression. Students with SCD have a higher prevalence of behavioral and cognitive deficits compared to healthy students. Adaptive skills are particularly important for children with chronic disease because they are the skills ne...
Article
Rural African Americans with diabetes mellitus type 2 (T2D) represent a disadvantaged and understudied group who experience difficulties with maintaining glycemic control. Although mounting evidence has linked socioeconomic disadvantage to chronic disease morbidity, few studies have examined the mediating mechanisms that account for this effect. We...
Article
Full-text available
The present research addressed the following important question in pediatric medicine: can participation in an efficacious preventive intervention ameliorate the risk that a genetic vulnerability factor is hypothesized to confer on increases in risk behaviors across preadolescence? As part of the Strong African American Families preventive interven...
Article
A randomized prevention design was used to investigate a moderation effect in the association between a polymorphism in the SCL6A4(5HTT) gene at 5-HTTLPR and increases in youths' risk behavior initiation. Participation in the Strong African American Families (SAAF) program was hypothesized to attenuate the link between 5-HTTLPR status and risk beha...
Article
Full-text available
Using data from 747 rural African American mothers, this study incorporated role accumulation theory to test direct and indirect effects of stressors, coping behaviors, and role responsibilities on health functioning. Results indicated that demands emerging from financial strain were related to compromised mental health and decreases in mothers' us...
Article
The authors used a longitudinal, prospective design to investigate a moderation effect in the association between a genetic vulnerability factor, a variable nucleotide repeat polymorphism in the promoter region of 5HTT (5-HTTLPR), and increases in youths' substance use. The primary study hypothesis predicted that involved-supportive parenting would...
Article
Full-text available
A previous report in the Journal of Family Psychology (S. R. H. Beach et al., 2008) described the results of a randomized prevention trial contrasting families who participated in the Strong African American Families Program (SAAF, a preventive intervention for rural African American parents and their 11-year-olds) with control families. This brief...
Article
Full-text available
Prior research demonstrates negative consequences of racism, however, little is known about community, parenting, and intrapersonal mechanisms that protect youth. Using a mixed-methods approach, this study illuminated linkages between positive and negative contextual influences on rural African American adolescent outcomes. Quantitative results pro...
Article
Full-text available
Data obtained from 2 waves of a longitudinal study of 671 rural African American families with an 11-year-old preadolescent were used to examine pathways through which racial and ethnic socialization influence youth self-presentation, academic expectations, and academic anticipation. Structural equation modeling analyses indicated that racial and e...
Article
The Strong African American Families program, a universal intervention to deter alcohol use among rural African American preadolescents, was evaluated to determine whether it also prevented conduct problems across the 29 months separating the pretest and long-term follow-up assessments. The program is based on a contextual model in which interventi...
Article
Full-text available
Given the dominant culture's emphasis upon being thin in the United States, we investigated the hypothesis that obesity is a childhood characteristic that has a disruptive effect upon the parenting of European American parents. Past research suggests, however, that the African American community is less concerned about issues of being overweight, a...
Article
This longitudinal study was designed to test hypotheses, derived from a stress proliferation framework, regarding the association between perceived racial discrimination and changes in parenting among African American mothers in the rural South. A sample of 139 mothers and their children were interviewed 3 times at 1-year intervals. Mothers reporte...
Article
Given the dominant culture’s emphasis upon being thin in the United States, we investigated the hypothesis that obesity is a childhood characteristic that has a disruptive effect upon the parenting of European American parents. Past research suggests, however, that the African American community is less concerned about issues of being overweight, a...
Article
Full-text available
A randomized prevention trial contrasted families who participated in the Strong African American Families Program (SAAF), a preventive intervention for rural African American parents and their 11-year-olds, with control families. This article focuses on the program's effect on primary caregivers' depressive symptoms. Among the 167 caregivers with...
Article
This investigation of the effects of stressful life events on rural African American women's relationship well-being, psychological functioning, and parenting included 361 married or long-term cohabiting women. Associations among stressful events, socioeconomic status, perceived racial discrimination, coping strategies, psychological functioning, r...
Article
To test a contextual-ecological model of factors relevant for glycemic control in an understudied and vulnerable population of persons with diabetes mellitus Type 2. Rural African American adults (40-65 years old, n = 200) with Type 2 diabetes and 200 adult support persons whom the adults with diabetes nominated were interviewed in their homes. Adu...
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Full-text available
Past research has largely ignored the developmental changes within the child that account for the association between parenting and risk for delinquency. We used structural equation modeling and data from a longitudinal study of several hundred African-American families to test the contentions of various theories regarding the sociocognitive and em...
Article
This study was designed to test hypotheses about family risk factors and their links to dosage and efficacy of a family-centered preventive intervention. Participants were 172 families with an 11 year-old child randomly assigned to the intervention condition in the Strong African American Families Program (SAAF). Two family risk factors, ratio of a...
Article
Longitudinal links between perceived racial discrimination and later conduct problems and depressive symptoms were examined among 714 African American adolescents who were 10-12 years old at recruitment. Data were gathered 3 times over a 5-year period. Hypotheses were tested via latent curve modeling and multiple-group latent growth modeling. Incre...
Article
Full-text available
This article uses a sample of 867 African American households to investigate differences in parenting practices and child outcomes by type of household. Results indicate that mothers provide similar levels of parenting regardless of family structure. Secondary caregivers, however, show a great deal of variation in quality of parenting. Fathers and...
Article
Full-text available
The Strong African American Families Program, a universal preventive intervention to deter alcohol use among rural African American adolescents, was evaluated in a cluster-randomized prevention trial. This 7-week family skills training program is based on a contextual model in which intervention effects on youth protective factors lead to changes i...
Article
The relative prevalence of substance use among African-American high school students living in rural, urban, and suburban areas was examined. Students in rural areas reported equivalent or higher rates of substance use than did students in urban or suburban areas. Attention to substance use prevention among rural African-American students is warran...
Article
In this study, the efficacy of the Strong African American Families Program (SAAF) was tested. The trial, which included 332 families, indicated that families who participated in SAAF experienced increases over time in regulated, communicative parenting; increases in targeted parenting behaviors, according to youths' reports; and low rates of high-...
Article
A randomized prevention trial was conducted contrasting families who took part in the Strong African American Families Program (SAAF), a preventive intervention for rural African American mothers and their 11-year-olds, with control families. SAAF is based on a conceptual model positing that changes in intervention-targeted parenting behaviors woul...
Article
Full-text available
A randomized prevention trial contrasted families who took part in the Strong African American Families Program (SAAF), a preventive intervention for rural African American mothers and their 11-year-olds, with control families. SAAF is based on a contextual model positing that regulated, communicative parenting causes changes in factors protecting...
Article
This article examines the relationship between racial discrimination and delinquency. Using longitudinal data collected on approximately 700 African American children, we begin by establishing an association between exposure to discrimination and delinquent behavior. Next, we use structural equation modeling to test various hypotheses regarding the...
Article
This study focuses on the empirical status for theories of types of delinquents in a non-Western country: Taiwan. Based on the theories and their current empirical statuses, the current study tries to answer three main questions: 1) How many groups of delinquent trajectories are in Taiwan? 2) What factors distinguish between trajectory groups? Do e...

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