Darren Dahly PhD Statistical Epidemiology

CV

Darren L Dahly PhD

Statistician and Epidemiologist

Please contact me at ddahly@ucc.ie, or on Twitter @statsepi.

Research Interests

  • Patient-focused research
  • Clinical trials
  • Human growth
  • Early life origins of disease
  • Social determinants of health
  • Longitudinal data analysis
  • Latent variable models
  • Birth cohorts

Education

Ph.D. Nutritional Epidemiology (2003-2009)

University of North Carolina, School of Public Health. Chapel Hill, NC.

Dissertation: Environmental and Developmental Determinants of Obesity in the Philippines

Advisor: Linda Adair

Committee: Barry Popkin, Jay Kaufman, Penny Gordon-Larsen, Michael Emch

M.H.S. International Health (2001-2003)

Johns Hopkins University, Bloomberg School of Public Health. Baltimore, MD.

B.A. Biology (1998-2001)

Hendrix College. Conway, AR.

Proffesional Experience

2015 to present. Senior Lecturer in Patient Focused Research Methods HRB Clinical Research Facility Cork.

  • Principal statistian

2013 to 2015. Senior Postdoctoral Research Fellow, Department of Epidemiology and Public Health, University College Cork

  • Scientific development and day-to-day conduct of a mentored program of research funded though a Health Research Board Interdisciplinary Capacity Enhancement Postdoctoral Fellowship.
  • Dissemination of research outputs through internal meetings, national and international conferences, and peer-reviewed publications.
  • Supervision of PhD and MPH student research.

2008–2013. Lecturer in Epidemiology, University of Leeds

Academic Lead, MSc Nutrition Obesity and Health (2008-2010)

Primary Investigator, UK Medical Research Council Population Health Scientist Fellowship (2010–2013)

  • Scientific development, day-to-day conduct, and overall management of an independent program of research in collaboration with the Consortium of Health Orientated Research in Transitioning Societies.
  • Seven-month trip to Pelotas, Brazil to collaborate with researchers at the Centro de Epidemiologia, Universidade Federal de Pelotas.
  • Dissemination of research outputs through internal meetings, national and international conferences, and peer-reviewed publications.
  • Postgraduate level program design and management; and the delivery of postgraduate level teaching in nutrition, obesity and health.
  • Supervision of PhD and MSc student research.
  • Participation in institute and school level committees.

2002-2003. Field Epidemiologist, Population Services International. Lome, Togo

  • Development of a data monitoring system for HIV/AIDS voluntary counseling and testing clinics.
  • Field data collection and analysis of a small trial of insecticide treated bednet effectiveness.
  • Preparation of reports for funding bodies.

Fellowships, Grants, and Awards

(2010-2013) UK Medical Research Council Population Health Scientist Fellowship. Latent Variable Growth Curve and Mixture Models for Life Course Epidemiology. £270,000

(2012) Whitehead Travel Award. School of Medicine, University of Leeds. £2100

(2011) Young Investigator Award for a poster in Cutting Edge Methodology, World Congress of Epidemiology. A latent class analysis of socioeconomic status and obesity in young adults from Cebu, Philippines.

(2005-2008) NSF Integrative Gradate Education and Research Traineeship (IGERT) in Population and Environment. NSF DGE 0333193.

(2007) NSF IGERT research residency for dissertation fieldwork in Cebu, Philippines. $3,900

(2006) Howard Holsenbeck Library Fund for the purchase of research related remotely sensed imagery. $2000

(2006) Gerber Foundation Pre-doctoral Fellowship. American Society for Nutrition. $5,000

(2005) Andrew Mellon Foundation Travel Grant for dissertation fieldwork in Cebu, Philippines. $3,700

(2003-2005) NIH-NRSA Pre-doctoral Traineeship in Population and Health. NICHD HD07168.

Publications

Schäfer AA, Domingues MR, Dahly DL, de Oliveira Meller F, Goncalves H, Wehrmeister FC, Assunção MC. (2016) Sleep duration trajectories and body composition in adolescents: A Prospective birth cohort study. Plos One. 11(3):e0152348

de Oliveira Meller F, Assunção MC, Schäfer AA, de Mola CL, Barros AJ, Dahly DL, Barros FC. (2015) The influence of birth order and number of siblings on adolescent body composition: evidence from a Brazilian birth cohort study. British Journal of Nutrition. Jul 14;114(1):118-25

Hunt E, McKay EA, Dahly DL, Fitzgerald AP, Perry IJ. (2014) A person-centred analysis of the time use, daily activities, and health-related quality of life of Irish school-going late adolescents. Quality of Life Research. Nov 15 (Epub).

Harrington JM, Dahly DL, Fitzgerald AP, Gilthorpe MS, Perry IJ. (2014) Capturing changes in dietary patterns among older adults: a latent class analysis of an ageing Irish cohort. Public Health Nutrition. Feb 25: 1-13 (Epub).

Gilthorpe MS, Dahly DL, Tu Y-K, Kubzansky D, Goodman E. (2014) Challenges in modelling the random structure correctly in growth mixture models and the impact this has on model mixtures. Journal of the Developmental Origins of Health and Disease. 5(3):197-205.

Dahly DL, Gordon-Larsen P, Emch M, Borja J, Adair LS. (2013) The spatial distribution of overweight and obesity among a birth cohort of young adult Filipinos (Cebu Philippines, 2005): An application of the Kulldorff spatial scan statistic. Nutrition and Diabetes. 3(7): e80.

Adair LS, Fall CHD, Osmond C, Stein AD, Martorell R, Ramirez-Zea M, Sachdev HS, Dahly DL, Bas I, Norris S, Mickelsfield L, Hallal P, Victora C. (2013) Associations of linear growth and relative weight gain during early life with adult health and human capital in countries of low and middle income: findings from five birth cohort studies. Lancet. 382(9891):525-34.

Levine RS, Dahly DL, Rudolf M. (2012) Identifying infants at risk of becoming obese: Can we and should we? Public Health. 126(2):123-8.

Dahly DL, Adair LS. (2010) Does lower birth order amplify the association between socioeconomic status and central adiposity in young adult Filipino males? The International Journal of Obesity. 89(5):1383-92.

Dahly DL, Adair LS. et al. (2010) Associations between multiple indicators of socioeconomic status and obesity in young adult Filipinos vary by gender, urbanicity, and indicator used. The Journal of Nutrition. 140(2):366-370.

Adair LS, Martorell R, Stein AD, Hallal PC, Sachdev HS, Prabhakaran D, Wills AK, Norris SA, Dahly DL, Lee NR, Victora CG. (2009) Size at birth, weight gain in infancy and childhood, and adult blood pressure in 5 low- and middle-income-country cohorts: When does weight gain matter? The American Journal of Clinical Nutrition. 89(5):1383-92.

Bollen KA, Lennox RD, Dahly DL. (2009) Practical application of the vanishing tetrad test for causal indicator measurement models: an example from health-related quality of life. Statistics in Medicine. 28(10):1524-36.

Dahly DL, Adair LS, Bollen KA. (2009) Investigating the developmental origins of blood pressure with structural equation modeling. International Journal of Epidemiology. 38(2):538-48.

Dahly DL, Adair LS. (2007) Quantifying the urban environment: A scale measure of urbanicity outperforms the urban-rural dichotomy. Social Science and Medicine. 64(7):1407-19.

Adair LS, Dahly DL. (2005) Developmental determinant of blood pressure in adults. Annual Review of Nutrition. 25: 407-434.

Reports and Book Chapters

Dahly DL. (2012) Growth mixture modeling for life course epidemiology. In Y Tu & D Greenwood (Eds.), Modern Methods for Epidemiology (pp.223-241). New York, USA: Springer.

Dahly DL, Rudolf M. (2010) Identifying obesity risk in the early years. Report on completion of a project funded by the Cross Government Obesity Unit (UK).

Presentations and Workshops

Dahly DL Systematic review of infant body composition using reference methods. International Congress of Human Growth and Clinical Auxology. Maribor, Slovenia. September 17-21, 2014. ORAL PRESENTATION

Dahly DL, Gilthorpe M, Tu YK, Kubinzky L, Goodman E Correctly modelling the random structure in growth mixture models . World Congress of Epidemiology. Anchorage, Alaska. August 7-11, 2014. ORAL PRESENTATION

Dahly DL, Patricia Kearney, Janas Harrington, Sheena McHugh, Jamie Madden, Xia Lee, Christina Dillon, Eimear Keane. Overweight and Obesity in Ireland: A Multidisciplinary Approach to a Multifaceted Problem. Institute of Public Health, Open Conference. Dublin, Ireland. October 8, 2013. ORAL PRESENTATION

Dahly DL. Capturing changes in dietary patterns among older adults: A latent variable analysis of an aging Irish cohort. Royal Statistical Society Conference on Statistical Challenges in Life Course Epidemiology. University of Leeds. Leeds, UK. July 17-18, 2012. INVITED SPEAKER

Tilling K, Howe L, Dahly DL. Lifecourse analysis: Pitfalls and how to avoid them. University of Leeds. Leeds, UK. July 16, 2012. WORKSHOP

Howe L, Dahly DL. Lifecourse analysis: Pitfalls and how to avoid them. Universidade Federal de Pelotas. Pelotas, Brazil. March 3-4, 2012. WORKSHOP

Dahly DL. A latent class analysis of socioeconomic status and obesity in young adults from Cebu, Philippines. World Congress of Epidemiology. Edinburgh, UK. August 7-11, 2011. POSTER

Dahly DL. Obesity clustering in Cebu, Philippines: An application of SaTScan and the spatial scan statistic. World Congress of Epidemiology. Edinburgh, UK. August 7-11, 2011. POSTER

Tilling K, Howe L, Dahly DL. Lifecourse analysis: Pitfalls and how to avoid them. 3rd North American Congress of Epidemiology. Montreal, Canada. June 21, 2011. WORKSHOP

Dahly DL (Chair), Gilthorpe MS, Tu YK, Tilling K, West R. Statistical methods for lifecourse investigations of growth and health. Conference of Epidemiological Longitudinal Studies in Europe. Paphos, Cyprus. October 13-15, 2010. SYMPOSIUM

Dahly DL. Investigating body mass index trajectories using growth mixture models. Conference of Epidemiological Longitudinal Studies in Europe. Paphos, Cyprus. October 13-15, 2010. ORAL PRESENTATION

Dahly DL. Investigating body mass index trajectories using growth mixture models. RSS Special Conference on Statistical Challenges of Lifecourse Research. Leeds, UK. July 13-14, 2010. ORAL PRESENTATION

Dahly DL, Adair LS. Does lower birth order amplify the association between high socio-economic status and central adiposity in young adult Filipino males? Evidence supporting the Mismatch Hypothesis. 6th International Congress on the Developmental Origins of Health and Disease. Santiago, Chile. November 19-22, 2009. ORAL PRESENTATION

Dahly DL, Adair LS, Bollen KA. Structural equation modeling to investigate the developmental origins of blood pressure. 5th International Congress on the Developmental Origins of Health and Disease. Perth, Australia. November 6-10, 2007. POSTER

Dahly DL. Testing for Associations between Fetal Nutrition and Adolescent Blood Pressure Using Structural Equation Models. Population Association of America, Annual Meeting. New York City, USA. March 29 – 31, 2007. POSTER

Dahly DL. Urbanization and the Nutrition Transition in Cebu, Philippines. Population Association of America, Annual Meeting. Los Angeles, USA. March 30 – April 1, 2006. ORAL PRESENTATION

Dahly DL, Adair LS. Investigating Reversal Paradox in a Study of Thinness at Birth and Blood Pressure in Adolescent Males. 3rd International Congress on the Developmental Origins of Health and Disease. Toronto, Canada. November 16-20, 2005. POSTER

Dahly DL, Adair LS. Quantifying the Urban Environment: A Newly Constructed Scale of Urbanicity Outperforms the Traditional Urban-Rural Dichotomy. Population Association of America, Annual Meeting. Philadelphia, USA. March 31 – April 2, 2005. POSTER

Dahly DL, Adair LS. Creating an index of urbanicity to investigate relationships between diet and the urban environment. Experimental Biology, Washington DC, USA. April 17-21, 2004. POSTER

Teaching

University of Leeds, 2008-2012

Postgraduate Module Leader – ICON 5014 Advanced Nutritional Epidemiology. 2010 - 2012

Postgraduate Module Leader – ICON 5012 Obesity and Public Health. 2010 - 2012

Postgraduate Module Leader – ICON 5004 Obesity: A Showcase of Nutrition Research. 2008 - 2010

Research Student Supervision

PhD Students

Cristina Cleghorn – Lead Supervisor. Dietary diversity and infant nutritional status in selected Tanzanian villages, 2012 . Completed June 2014. University of Leeds

Christina Dillon – Co-Supervisor. Exploring the relationship between patterns of physical activity and sedentary behaviour and cardiometabolic markers in middle-aged adults. Completion January 2016. University College Cork

Masters Students

Jean O’Connor (2014) Childhood obesity and hypertension in Cork, Ireland. Dinstinction.

Aman Mohan Mishra (2014) Supplement use among participants in the Food Choice at Work study.

Marisa Alvarez Wharton (2013) The coexistence of under- and overweight in poor urban and rural communities in Cebu, Philippines. • Winner of the William Sutcliffe award for a public health dissertation. University of Leeds, School of Medicine.

Martha Richardson (2012) Are firstborns more susceptible to obesogenic nvironments? A spatial clustering analysis.

Dorian Lunney (2012) Socioeconomic status and IQ in Filipino children: A latent class approach. Dinstinction

Alicia Parr (2011) Body image and obesity in Filipino females. Dinstinction

Teumzghi Mebrahtu (2011) Adult weight trajectories and breast cancer risk in a cohort of UK women.

Gregory Stuart (2009) Physical activity and obesity in a birth cohort of young adult Filipinos.

Professional Memberships

  • International Epidemiological Association
  • International Society for the Developmental Origins of Health and Disease
  • International Society for the Study of Human Growth and Clinical Auxology

Reviwer

Journals:

  • American Journal of Public Health
  • Journal of Urban Health; Epidemiology
  • Journal of Nutrition
  • Royal Statistical Society
  • Advances in Life Course Research
  • Obesity Facts
  • Occupation and Environmental Medicine
  • Journal of Immigrant and Minority Health
  • Journal of Epidemiology and Community Health
  • British Journal of Nutrition
  • Biomed Central Public Health
  • Archives of Disease in Childhood
  • International Journal of Obesity
  • International Journal of Epidemiology
  • International Journal for Equity in Health
  • Paediatric and Perinatal Epidemiology
  • PLoS ONE
  • Journal of Developmental Origins of Health and Disease (Associate Editor for Statistics)

Grants:

  • National Institute for Health Research (UK)
  • Medical Research Council (UK)
  • Action Medical Research