Search Results
Author: Doran, Kelly A.
Resulting in 5 citations.
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Doran, Kelly A. |
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Early Alcohol Use and Timing of Sexual and Reproductive Onset Ph.D. Dissertation, School of Education, Indiana University, 2016 Cohort(s): NLSY97 Publisher: ProQuest Dissertations & Theses (PQDT) Keyword(s): Age at First Birth; Age at First Intercourse; Alcohol Use; Gender Differences Permission to reprint the abstract has not been received from the publisher. This dissertation is the first-known study to document associations between timing of first alcohol use and onset of sex and reproduction in males, including examination of differences by respondent sex. Using Problem Behavior Theory (PBT) as a guiding framework, survival analyses were conducted to examine relationships between age at first drink of alcohol and ages at first sex and first childbirth, and transition from first sex to childbirth. Data were drawn from 8,984 males and females from the National Longitudinal Study of Youth 1997 (NLSY97), a nationally-representative sample of respondents born between 1980-1984. |
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Bibliography Citation
Doran, Kelly A. Early Alcohol Use and Timing of Sexual and Reproductive Onset. Ph.D. Dissertation, School of Education, Indiana University, 2016. |
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Doran, Kelly A. Waldron, Mary |
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Timing of First Alcohol Use and First Sex in Male and Female Adolescents Journal of Adolescent Health 61,5 (November 2017): 606-611. Also: http://www.sciencedirect.com/science/article/pii/S1054139X17302185 Cohort(s): NLSY97 Publisher: Elsevier Keyword(s): Adolescent Sexual Activity; Age at First Intercourse; Alcohol Use; Modeling, Hazard/Event History/Survival/Duration Purpose: We examined associations between timing of first alcohol use and first sexual intercourse in adolescent males and potential differences in observed associations between males and females. Methods: Data were drawn from 4,079 male and 4,059 female participants of the National Longitudinal Study of Youth 1997, aged 12-16 years at the first assessment. Cox proportional hazards regression models were estimated predicting age at first sexual intercourse from age at first alcohol use, without and with adjustment for correlated sociodemographic and individual- and family-level risk factors. Analyses were conducted separately for males and females, with interactions between alcohol use and respondent sex (female vs. male) modeled in subsidiary analyses. Results: Onset of first drink was strongly predictive of earlier sexual intercourse for both males and females, with effects of drinking most pronounced for females during early adolescence. |
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Bibliography Citation
Doran, Kelly A. and Mary Waldron. "Timing of First Alcohol Use and First Sex in Male and Female Adolescents." Journal of Adolescent Health 61,5 (November 2017): 606-611.
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Doran, Kelly A. Watkins, Nicole K. Duckworth, Jennifer C. Waldron, Mary |
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Paternal Death, Parental Divorce, and Timing of First Substance Use in an Ethnically Diverse Sample Journal of Child and Adolescent Substance Abuse 28,2 (2019): 83-91. Also: https://www.tandfonline.com/doi/full/10.1080/1067828X.2019.1580234 Cohort(s): Children of the NLSY79, NLSY79 Young Adult Publisher: Taylor & Francis Keyword(s): Alcohol Use; Childhood Adversity/Trauma; Cigarette Use (see Smoking); Drug Use; Parental Marital Status; Trauma/Death in family We examined timing of first alcohol, cigarette, and marijuana use as a function of paternal death or parental divorce during childhood. Data were drawn from a large ethnically diverse sample, including 4,880 Hispanic, Black, and White children and mothers. Survival analyses were conducted, predicting age at first substance use from parental loss, separately by substance class and child sex and racial/ethnic group. Results confirm risk of early use associated with parental divorce, especially among females, and highlight paternal death as a risk factor for some children. To inform prevention efforts, replication and extension of analyses to identify underlying mechanisms is necessary. |
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Bibliography Citation
Doran, Kelly A., Nicole K. Watkins, Jennifer C. Duckworth and Mary Waldron. "Paternal Death, Parental Divorce, and Timing of First Substance Use in an Ethnically Diverse Sample." Journal of Child and Adolescent Substance Abuse 28,2 (2019): 83-91.
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Duckworth, Jennifer C. Doran, Kelly A. Waldron, Mary |
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Childhood Weight Status and Timing of First Substance Use in an Ethnically Diverse Sample Drug and Alcohol Dependence 164 (1 July 2016): 172-178. Also: http://www.sciencedirect.com/science/article/pii/S0376871616301119 Cohort(s): Children of the NLSY79, NLSY79 Young Adult Publisher: Elsevier Keyword(s): Alcohol Use; Body Mass Index (BMI); Child Growth; Child Health; Cigarette Use (see Smoking); Drug Use; Ethnic Differences; Gender Differences; Modeling, Hazard/Event History/Survival/Duration; Racial Differences; Substance Use; Weight Background: We examined associations between weight status during childhood and timing of first cigarette, alcohol, and marijuana use in an ethnically diverse sample. Methods: Data were drawn from child respondents of the 1979 National Longitudinal Survey of Youth, including 1,448 Hispanic, 2,126 non-Hispanic Black, and 3,304 non-Hispanic, non-Black (White) respondents aged 10 years and older as of last assessment. Cox proportional hazards regression was conducted predicting age at first use from weight status (obese, overweight, and underweight relative to healthy weight) assessed at ages 7/8, separately by substance class, sex, and race/ethnicity. Tests of interactions between weight status and respondent sex and race/ethnicity were also conducted. Results: Compared to healthy-weight females of the same race/ethnicity, overweight Hispanic females were at increased likelihood of alcohol and marijuana use and overweight White females were at increased likelihood of cigarette and marijuana use. Compared to healthy-weight males of the same race/ethnicity, obese White males were at decreased likelihood of cigarette and alcohol use and underweight Hispanic and Black males were at decreased likelihood of alcohol and marijuana use. Significant differences in associations by sex and race/ethnicity were observed in tests of interactions. Conclusions: Findings highlight childhood weight status as a predictor of timing of first substance use among Hispanic and Non-Hispanic Black and White female and male youth. Results suggest that collapsing across sex and race/ethnicity, a common practice in prior research, may obscure important within-group patterns of associations and thus may be of limited utility for informing preventive and early intervention efforts. |
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Bibliography Citation
Duckworth, Jennifer C., Kelly A. Doran and Mary Waldron. "Childhood Weight Status and Timing of First Substance Use in an Ethnically Diverse Sample." Drug and Alcohol Dependence 164 (1 July 2016): 172-178.
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Sapharas, Nicole K. Estell, David B. Doran, Kelly A. Waldron, Mary |
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Effects of Parental Divorce or a Father's Death on High School Completion Psychology in the Schools 53,8 (September 2016): 861-874. Also: http://onlinelibrary.wiley.com/doi/10.1002/pits.21947/abstract Cohort(s): NLSY79 Young Adult Publisher: Wiley Online Keyword(s): Childhood Adversity/Trauma; Divorce; Fathers, Absence; High School Completion/Graduates; Parental Influences Permission to reprint the abstract has not been received from the publisher. Associations between parental loss and high school (HS) completion were examined in data drawn from 1,761 male and 1,689 female offspring born in wedlock to mothers participating in a nationally representative study. Multiple logistic regression models were conducted predicting HS completion by age 19 among offspring whose parents divorced or father died, compared to offspring of continuously married parents. Models were estimated without and with adjustment for correlated sociodemographic characteristics, including maternal education and age at first childbirth and offspring age at last assessment and race/ethnicity. In unadjusted models, parental divorce predicted a 41% decreased odds of HS completion for males, and paternal death predicted a 79% decreased odds of HS completion for females. In models including sociodemographic risk factors, associations between parental divorce and paternal death reduced slightly. Findings highlight the importance of examining unique risks from paternal death versus parental divorce on educational attainment in male and female offspring. |
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Bibliography Citation
Sapharas, Nicole K., David B. Estell, Kelly A. Doran and Mary Waldron. "Effects of Parental Divorce or a Father's Death on High School Completion." Psychology in the Schools 53,8 (September 2016): 861-874.
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