Ching Yun Wang

Summary

Affiliation: Fred Hutchinson Cancer Research Center
Country: USA

Publications

  1. pmc Time to screening in the systems of support to increase colorectal cancer screening trial
    Ching Yun Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center
    Cancer Epidemiol Biomarkers Prev 23:1683-8. 2014
  2. pmc Expected estimating equations via EM for proportional hazards regression with covariate misclassification
    Ching Yun Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, PO Box 19024, Seattle, WA 98109 1024, USA
    Biostatistics 14:351-65. 2013
  3. pmc Robust best linear estimation for regression analysis using surrogate and instrumental variables
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109 1024, USA
    Biostatistics 13:326-40. 2012
  4. ncbi request reprint Expected estimating equations for missing data, measurement error, and misclassification, with application to longitudinal nonignorable missing data
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, PO Box 19024, Seattle, WA 98109 1024, USA
    Biometrics 64:85-95. 2008
  5. ncbi request reprint Numerical equivalence of imputing scores and weighted estimators in regression analysis with missing covariates
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109 1024, USA
    Biostatistics 8:468-73. 2007
  6. pmc The contribution of longitudinal comorbidity measurements to survival analysis
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave North, Seattle, WA 98109, USA
    Med Care 47:813-21. 2009
  7. pmc Boosting with missing predictors
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, Seattle, WA 98109 1024, USA
    Biostatistics 11:195-212. 2010
  8. ncbi request reprint Error in timing in regression with observed longitudinal measurements
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, P O Box 19024, Seattle, WA 98109 1024, U S A
    Stat Med 22:2577-90. 2003
  9. ncbi request reprint Augmented inverse probability weighted estimator for Cox missing covariate regression
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109 1024, USA
    Biometrics 57:414-9. 2001
  10. ncbi request reprint Estimation of the correlation between nutrient intake measures under restricted sampling
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109 1024, USA
    Biometrics 55:711-7. 1999

Research Grants

Detail Information

Publications43

  1. pmc Time to screening in the systems of support to increase colorectal cancer screening trial
    Ching Yun Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center
    Cancer Epidemiol Biomarkers Prev 23:1683-8. 2014
    ..Additional research is needed to develop intervention strategies for colorectal cancer screening that focus on sustained behavior over time. Cancer Epidemiol Biomarkers Prev; 23(8); 1683-8. ©2014 AACR. ..
  2. pmc Expected estimating equations via EM for proportional hazards regression with covariate misclassification
    Ching Yun Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, PO Box 19024, Seattle, WA 98109 1024, USA
    Biostatistics 14:351-65. 2013
    ..The proposed method and other methods are applied to a human immunodeficiency virus clinical trial in which a few behavior variables from questionnaires are used as surrogates for a latent behavior variable...
  3. pmc Robust best linear estimation for regression analysis using surrogate and instrumental variables
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109 1024, USA
    Biostatistics 13:326-40. 2012
    ..Finite-sample performance of the proposed estimator is examined and compared with other estimators via intensive simulation studies. The proposed method and other methods are applied to a bladder cancer case-control study...
  4. ncbi request reprint Expected estimating equations for missing data, measurement error, and misclassification, with application to longitudinal nonignorable missing data
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, PO Box 19024, Seattle, WA 98109 1024, USA
    Biometrics 64:85-95. 2008
    ..Intensive simulation studies are performed under various incomplete data settings. The proposed method is applied to a longitudinal study of oral bone density in relation to body bone density...
  5. ncbi request reprint Numerical equivalence of imputing scores and weighted estimators in regression analysis with missing covariates
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109 1024, USA
    Biostatistics 8:468-73. 2007
    ..This includes a simple weighted estimator, an augmented weighted estimator, and a mean-score estimator. The numerical equivalence may elucidate the relationship between imputing scores and weighted estimation procedures...
  6. pmc The contribution of longitudinal comorbidity measurements to survival analysis
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave North, Seattle, WA 98109, USA
    Med Care 47:813-21. 2009
    ..Many clinical and health services research studies are longitudinal, raising questions about how best to use an individual's comorbidity measurements over time to predict survival...
  7. pmc Boosting with missing predictors
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, Seattle, WA 98109 1024, USA
    Biostatistics 11:195-212. 2010
    ..Simulation results indicate that the proposed methods are superior than other naive methods. We apply the methods to a pancreatic cancer study in which serum protein microarrays are used for classification...
  8. ncbi request reprint Error in timing in regression with observed longitudinal measurements
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, P O Box 19024, Seattle, WA 98109 1024, U S A
    Stat Med 22:2577-90. 2003
    ..Estimation procedures based on expected estimating equations, regression calibration and simulation extrapolation are applied to this problem...
  9. ncbi request reprint Augmented inverse probability weighted estimator for Cox missing covariate regression
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109 1024, USA
    Biometrics 57:414-9. 2001
    ..This method is compared with some previously proposed estimators via simulation studies. The method is applied to a real example...
  10. ncbi request reprint Estimation of the correlation between nutrient intake measures under restricted sampling
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109 1024, USA
    Biometrics 55:711-7. 1999
    ..This led us to investigate robustness properties of the ML estimator analytically. We present some data analyses from a dietary assessment study from the Women's Health Initiative to illustrate the methods...
  11. ncbi request reprint Regression analysis when covariates are regression parameters of a random effects model for observed longitudinal measurements
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109 1024, USA
    Biometrics 56:487-95. 2000
    ..In addition to the distribution theory, we evaluate the methods through simulation studies. The methods are applied to analyze a real dataset from a child growth study...
  12. ncbi request reprint Weighted normality-based estimator in correcting correlation coefficient estimation between incomplete nutrient measurements
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109 1024, USA
    Biometrics 56:106-12. 2000
    ..The methods are applied to real data from a dietary assessment study...
  13. ncbi request reprint Conditional-cumulant-of-exposure method in logistic missing covariate regression
    C Y Wang
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109 1024, USA
    Biometrics 56:98-105. 2000
    ..The proposed estimator performs well unless the relative risk parameters are large, even though it is technically inconsistent. Small-sample simulations are conducted. We illustrate the method by an example of real data analysis...
  14. pmc Weight and metabolic effects of dietary weight loss and exercise interventions in postmenopausal antidepressant medication users and non-users: a randomized controlled trial
    Ikuyo Imayama
    Epidemiology Program, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle WA, USA
    Prev Med 57:525-32. 2013
    ..We compared adherence and changes in body measures and biomarkers of glucose metabolism and inflammation between antidepressant users and non-users in a 12-month randomized controlled trial...
  15. pmc Vitamin D3 supplementation during weight loss: a double-blind randomized controlled trial
    Caitlin Mason
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA CM, LX, II, CD, C YW, LK, and AM, and the Department of Epidemiology, School of Public Health AM, The Department of Biostatistics, School of Public Health C YW, and the Department of Medicine LK, University of Washington, Seattle, WA
    Am J Clin Nutr 99:1015-25. 2014
    ..Vitamin D deficiency is associated with obesity; whether repletion supports weight loss and changes obesity-related biomarkers is unknown...
  16. pmc Exercise adherence, cardiopulmonary fitness and anthropometric changes improve exercise self-efficacy and health-related quality of life
    Ikuyo Imayama
    Dept of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
    J Phys Act Health 10:676-89. 2013
    ..We examined the associations of exercise adherence and physiological improvements with changes in exercise self-efficacy and HRQOL...
  17. pmc Weight, inflammation, cancer-related symptoms and health related quality of life among breast cancer survivors
    Ikuyo Imayama
    Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
    Breast Cancer Res Treat 140:159-76. 2013
    ..05). Future studies should examine whether interventions to maintain a healthy weight and reduce inflammation could alleviate cancer-related symptoms and improve HRQOL...
  18. pmc Effect of diet and exercise, alone or combined, on weight and body composition in overweight-to-obese postmenopausal women
    Karen E Foster-Schubert
    Fred Hutchinson Cancer Research Center, Seattle, WA, USA
    Obesity (Silver Spring) 20:1628-38. 2012
    ..Among postmenopausal women, lifestyle-change involving diet, exercise, or both combined over 1 year improves body weight and adiposity, with the greatest change arising from the combined intervention...
  19. pmc Long-term physical activity trends in breast cancer survivors
    Caitlin Mason
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center University of Washington, Seattle, WA 98109, USA
    Cancer Epidemiol Biomarkers Prev 22:1153-61. 2013
    ..Physical activity is associated with reduced mortality and higher quality of life in breast cancer survivors; however, limited data on the prevalence of activity and long-term trends after diagnosis are available...
  20. pmc Effects of dietary weight loss and exercise on insulin-like growth factor-I and insulin-like growth factor-binding protein-3 in postmenopausal women: a randomized controlled trial
    Caitlin Mason
    Fred Hutchinson Cancer Research Center, Seattle, Washington 98109, USA
    Cancer Epidemiol Biomarkers Prev 22:1457-63. 2013
    ..01). No consistent interaction effects with baseline BMI were detected. Modified IGF-I bioavailability is unlikely to be a mechanism through which caloric restriction reduces cancer risk in postmenopausal women...
  21. pmc History of weight cycling does not impede future weight loss or metabolic improvements in postmenopausal women
    Caitlin Mason
    Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
    Metabolism 62:127-36. 2013
    ....
  22. pmc Influence of diet, exercise, and serum vitamin d on sarcopenia in postmenopausal women
    Caitlin Mason
    Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
    Med Sci Sports Exerc 45:607-14. 2013
    ....
  23. pmc Effects of a caloric restriction weight loss diet and exercise on inflammatory biomarkers in overweight/obese postmenopausal women: a randomized controlled trial
    Ikuyo Imayama
    Epidemiology Program, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109, USA
    Cancer Res 72:2314-26. 2012
    ..Our findings indicate that a caloric restriction weight loss diet with or without exercise reduces biomarkers of inflammation in postmenopausal women, with potential clinical significance for cancer risk reduction...
  24. ncbi request reprint Exercise adherence, cardiopulmonary fitness and anthropometric changes improve exercise self-efficacy and health-related quality of life
    Ikuyo Imayama
    Dept of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
    J Phys Act Health 10:676-89. 2013
    ..02). Conclusions: Monitoring adherence and tailoring exercise programs to induce changes in cardiopulmonary fitness and body composition may lead to greater improvements in HRQOL and self-efficacy that could promote exercise maintenance. ..
  25. pmc Reduced-calorie dietary weight loss, exercise, and sex hormones in postmenopausal women: randomized controlled trial
    Kristin L Campbell
    University of British Columbia, Vancouver, British Columbia, Canada
    J Clin Oncol 30:2314-26. 2012
    ..We evaluated the individual and combined effects of a reduced-calorie weight loss diet and exercise on serum sex hormones in overweight and obese postmenopausal women...
  26. pmc An automated intervention with stepped increases in support to increase uptake of colorectal cancer screening: a randomized trial
    Beverly B Green
    Group Health Research Institute, 1730 Minor Avenue, Suite 1600, Seattle, WA 98101 1466, USA
    Ann Intern Med 158:301-11. 2013
    ..Screening decreases colorectal cancer (CRC) incidence and mortality, yet almost half of age-eligible patients are not screened at recommended intervals...
  27. pmc Nonparticipation in a population-based trial to increase colorectal cancer screening
    Beverly B Green
    Group Health Permanente, University of Washington Medical School, Seattle, USA
    Am J Prev Med 42:390-7. 2012
    ..Many trials have tested different strategies to increase colorectal cancer (CRC) screening. Few describe whether participants are representative of the population from which they are recruited...
  28. pmc Associations of insulin-like growth factor and insulin-like growth factor binding protein-3 with mortality in women with breast cancer
    Catherine Duggan
    Fred Hutchinson Cancer Research Center, Public Health Sciences, Seattle, WA
    Int J Cancer 132:1191-200. 2013
    ..In conclusion, high serum levels of IGF-1 and the IGF-1/IGFBP-3 ratio were associated with increased risk of all-cause mortality in women with breast cancer. These results need to be confirmed in larger breast cancer survivor cohorts...
  29. pmc Do primary care physicians lose contact with their colorectal cancer patients?
    Sharon Dobie
    Department of Family Medicine, University of Washington School of Medicine, Seattle, WA 98195 6390, USA
    J Am Board Fam Med 24:704-9. 2011
    ..The objective of this study was to determine whether colorectal cancer (CRC) patients are less likely to see their primary care physicians after cancer diagnosis...
  30. pmc Comparison and validation of 2 analytical methods for measurement of urinary sucrose and fructose excretion
    Xiaoling Song
    Cancer Prevention Program, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA Electronic address
    Nutr Res 33:696-703. 2013
    ..7% of the sum of urinary fructose and sucrose. Therefore, we caution using these biomarkers to predict sugars consumption before other factors that determine urinary sugars excretion are understood. ..
  31. ncbi request reprint Implementation of the Women's Health Initiative study design
    Garnet L Anderson
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109 1024, USA
    Ann Epidemiol 13:S5-17. 2003
  32. ncbi request reprint Research strategies and the use of nutrient biomarkers in studies of diet and chronic disease
    Ross L Prentice
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
    Public Health Nutr 5:977-84. 2002
    ....
  33. ncbi request reprint Estrogen-plus-progestin use and mammographic density in postmenopausal women: Women's Health Initiative randomized trial
    Anne McTiernan
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98019, USA
    J Natl Cancer Inst 97:1366-76. 2005
    ..Increased mammographic density reduces the sensitivity of screening mammography, is associated with increased breast cancer risk, and may be hormone related. We assessed the effect of estrogen-plus-progestin therapy on mammographic density...
  34. ncbi request reprint Relation of BMI and physical activity to sex hormones in postmenopausal women
    Anne McTiernan
    Fred Hutchinson Cancer Research Center, Division of Public Health Sciences, Cancer Prevention Research Program, Seattle, WA 98109, USA
    Obesity (Silver Spring) 14:1662-77. 2006
    ..However, the determinants of these hormone concentrations are not established. The purpose of this study was to examine correlates of endogenous sex hormones...
  35. ncbi request reprint Relation of demographic factors, menstrual history, reproduction and medication use to sex hormone levels in postmenopausal women
    Anne McTiernan
    Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
    Breast Cancer Res Treat 108:217-31. 2008
    ..These results suggest that while age, oophorectomy status, and NSAID use may be associated with selected sex hormone concentrations, few menstrual or reproductive factors affect endogenous sex hormones in the postmenopausal period...
  36. pmc Low-fat, increased fruit, vegetable, and grain dietary pattern, fractures, and bone mineral density: the Women's Health Initiative Dietary Modification Trial
    Anne McTiernan
    Fred Hutchinson Cancer Research Center, Division of Public Health Sciences, Seattle, WA 98019, USA
    Am J Clin Nutr 89:1864-76. 2009
    ..The effects of dietary changes on osteoporosis, low bone density, and frequent falls are unestablished...
  37. pmc Conjugated equine estrogen influence on mammographic density in postmenopausal women in a substudy of the women's health initiative randomized trial
    Anne McTiernan
    Fred Hutchinson Cancer Research Center, Division of Public Health Sciences, M4 B874, PO Box 19024, Seattle, WA 98019, USA
    J Clin Oncol 27:6135-43. 2009
    ..We examined the effect of CEE alone on mammographic density in a subsample of the Women's Health Initiative (WHI) clinical trial participants...
  38. pmc No effect of aspirin on mammographic density in a randomized controlled clinical trial
    Anne McTiernan
    Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
    Cancer Epidemiol Biomarkers Prev 18:1524-30. 2009
    ....
  39. pmc Effect of a 12-month exercise intervention on serum biomarkers of angiogenesis in postmenopausal women: a randomized controlled trial
    Catherine Duggan
    Authors Affiliation Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
    Cancer Epidemiol Biomarkers Prev 23:648-57. 2014
    ..Angiogenesis, in which new blood vessels are formed, is common to adipose tissue formation/remodeling and tumor vascularization...
  40. pmc Expected estimating equation using calibration data for generalized linear models with a mixture of Berkson and classical errors in covariates
    Jean de Dieu Tapsoba
    Division of Public Health, Fred Hutchinson Cancer Research Center, PO Box 19024, Seattle, WA 98109, U S A
    Stat Med 33:675-92. 2014
    ..We investigated its finite-sample performance numerically. Our method is illustrated by an application to real data from an HIV vaccine study...
  41. ncbi request reprint Low-fat dietary pattern and risk of treated diabetes mellitus in postmenopausal women: the Women's Health Initiative randomized controlled dietary modification trial
    Lesley F Tinker
    Women s Health Initiative, Fred Hutchinson Cancer Research Center, PO Box 19024, Mail Stop M3 A410, Seattle, WA 98109, USA
    Arch Intern Med 168:1500-11. 2008
    ..This study was undertaken to assess the effects of a low-fat dietary pattern on incidence of treated diabetes among generally healthy postmenopausal women...
  42. pmc Dietary weight loss and exercise interventions effects on quality of life in overweight/obese postmenopausal women: a randomized controlled trial
    Ikuyo Imayama
    Public Health Sciences Division, Fred Hutchison Cancer Research Center, Seattle, WA, USA
    Int J Behav Nutr Phys Act 8:118. 2011
    ..The secondary aim was to investigate predictors of changes in HRQOL...
  43. ncbi request reprint Logistic regression with exposure biomarkers and flexible measurement error
    Elizabeth A Sugar
    Department of Oncology, Johns Hopkins University, Baltimore, Maryland 21205, USA
    Biometrics 63:143-51. 2007
    ..Simulation studies are presented to evaluate and contrast the three estimation procedures, and to provide insight into preferred biomarker subsample size under selected cohort study configurations...

Research Grants2

  1. MISSING DATA, MEASUREMENT ERROR AND APPLICATIONS
    Ching Yun Wang; Fiscal Year: 2002
    ..The investigator states that the proposed methods will also accommodate two-stage designs which are becoming popular in epidemiologic research and particular in genetic epidemiology. ..
  2. Functional Methods for Radiation Exposure and Biomarker Data
    Ching Yun Wang; Fiscal Year: 2010
    ....