C M Friedenreich

Summary

Affiliation: Cross Cancer Institute
Country: Canada

Publications

  1. pmc Validity and repeatability of the EPIC physical activity questionnaire: a validation study using accelerometers as an objective measure
    Anne E Cust
    Centre for Physical Activity and Health, School of Public Health, University of Sydney, Sydney, Australia
    Int J Behav Nutr Phys Act 5:33. 2008
  2. pmc Understanding breast cancer patients' preference for two types of exercise training during chemotherapy in an unblinded randomized controlled trial
    Kerry S Courneya
    Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Alberta, Canada
    Int J Behav Nutr Phys Act 5:52. 2008
  3. ncbi request reprint Physical activity and cancer prevention: etiologic evidence and biological mechanisms
    Christine M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Alberta, Canada, T2N 1N3
    J Nutr 132:3456S-3464S. 2002
  4. ncbi request reprint Case-control study of lifetime total physical activity and prostate cancer risk
    C M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Alberta, Canada
    Am J Epidemiol 159:740-9. 2004
  5. ncbi request reprint Case-control study of anthropometric measures and prostate cancer risk
    Christine M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Canada
    Int J Cancer 110:278-83. 2004
  6. ncbi request reprint Physical activity and breast cancer risk: the effect of menopausal status
    Christine M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Canada
    Exerc Sport Sci Rev 32:180-4. 2004
  7. ncbi request reprint Physical activity and breast cancer risk: impact of timing, type and dose of activity and population subgroup effects
    C M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, 1331 29 St NW, Calgary, Alberta, Canada
    Br J Sports Med 42:636-47. 2008
  8. ncbi request reprint Reliability and validity of the Past Year Total Physical Activity Questionnaire
    Christine M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Alberta, Canada
    Am J Epidemiol 163:959-70. 2006
  9. ncbi request reprint Physical activity and risk of endometrial cancer: the European prospective investigation into cancer and nutrition
    Christine Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Alberta, Canada
    Int J Cancer 121:347-55. 2007
  10. ncbi request reprint Physical activity and risk of colon and rectal cancers: the European prospective investigation into cancer and nutrition
    Christine Friedenreich
    Nutrition and Hormones Group, IARC, Lyon, France
    Cancer Epidemiol Biomarkers Prev 15:2398-407. 2006

Detail Information

Publications51

  1. pmc Validity and repeatability of the EPIC physical activity questionnaire: a validation study using accelerometers as an objective measure
    Anne E Cust
    Centre for Physical Activity and Health, School of Public Health, University of Sydney, Sydney, Australia
    Int J Behav Nutr Phys Act 5:33. 2008
    ..We examined the validity and long-term repeatability of total physical activity measurements estimated from the past-year recall EPIC questionnaire, using accelerometers as an objective reference measure...
  2. pmc Understanding breast cancer patients' preference for two types of exercise training during chemotherapy in an unblinded randomized controlled trial
    Kerry S Courneya
    Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Alberta, Canada
    Int J Behav Nutr Phys Act 5:52. 2008
    ..The purpose of the present study was to examine factors associated with breast cancer patients' preference for two types of exercise training during chemotherapy...
  3. ncbi request reprint Physical activity and cancer prevention: etiologic evidence and biological mechanisms
    Christine M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Alberta, Canada, T2N 1N3
    J Nutr 132:3456S-3464S. 2002
    ....
  4. ncbi request reprint Case-control study of lifetime total physical activity and prostate cancer risk
    C M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Alberta, Canada
    Am J Epidemiol 159:740-9. 2004
    ..70, 95% CI: 0.54, 0.92). This study provides inconsistent evidence for the association between physical activity and prostate cancer risk...
  5. ncbi request reprint Case-control study of anthropometric measures and prostate cancer risk
    Christine M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Canada
    Int J Cancer 110:278-83. 2004
    ..89 (0.69-1.16). Our study provides evidence for no association between any measures of anthropometry including several derived measures of changes in weight over lifetime and prostate cancer risk...
  6. ncbi request reprint Physical activity and breast cancer risk: the effect of menopausal status
    Christine M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Canada
    Exerc Sport Sci Rev 32:180-4. 2004
    ..This review examines potential reasons for the differences in effect by menopausal status, including possible underlying biologic mechanisms...
  7. ncbi request reprint Physical activity and breast cancer risk: impact of timing, type and dose of activity and population subgroup effects
    C M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, 1331 29 St NW, Calgary, Alberta, Canada
    Br J Sports Med 42:636-47. 2008
    ....
  8. ncbi request reprint Reliability and validity of the Past Year Total Physical Activity Questionnaire
    Christine M Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Alberta, Canada
    Am J Epidemiol 163:959-70. 2006
    ..37 and 0.32 at baseline and follow-up, respectively. In general, the PYTPAQ has acceptable reliability and validity for measurement of past-year physical activity that is comparable to that of similar questionnaires...
  9. ncbi request reprint Physical activity and risk of endometrial cancer: the European prospective investigation into cancer and nutrition
    Christine Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Alberta, Canada
    Int J Cancer 121:347-55. 2007
    ..The relative risk reductions are most apparent for household activities...
  10. ncbi request reprint Physical activity and risk of colon and rectal cancers: the European prospective investigation into cancer and nutrition
    Christine Friedenreich
    Nutrition and Hormones Group, IARC, Lyon, France
    Cancer Epidemiol Biomarkers Prev 15:2398-407. 2006
    ..We found that physical activity reduced colon cancer risk, specifically for right-sided tumors and for lean participants, but not rectal cancer...
  11. ncbi request reprint Anthropometric factors and risk of endometrial cancer: the European prospective investigation into cancer and nutrition
    Christine Friedenreich
    Division of Population Health and Information, Alberta Cancer Board, T2N 4N2, Calgary, Alberta, Canada
    Cancer Causes Control 18:399-413. 2007
    ..To examine the association between anthropometry and endometrial cancer, particularly by menopausal status and exogenous hormone use subgroups...
  12. doi request reprint Prospective cohort study of lifetime physical activity and breast cancer survival
    Christine M Friedenreich
    Division of Population Health, Alberta Cancer Board, Calgary, AB, Canada
    Int J Cancer 124:1954-62. 2009
    ..Prediagnosis recreational activity conferred a benefit for survival after breast cancer. Moderate intensity recreational activity was particularly protective...
  13. ncbi request reprint Workshop report: identification of research needs breast cancer etiology
    C Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, 1331 29 St NW, Calgary, Alberta T2N 4N2
    Chronic Dis Can 22:41-9. 2001
    ....
  14. ncbi request reprint Relation between intensity of physical activity and breast cancer risk reduction
    C M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Alberta, Canada
    Med Sci Sports Exerc 33:1538-45. 2001
    ..To examine the influence of frequency, duration, and intensity of physical activity on risk of breast cancer and to compare breast cancer risks associated with self-reported versus assigned intensity levels of activity...
  15. ncbi request reprint A review of physical activity and prostate cancer risk
    C M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Canada
    Cancer Causes Control 12:461-75. 2001
    ..The purpose was to review the etiologic role and the possible biologic mechanisms for physical activity in the primary prevention of prostate cancer and to identify future research priorities...
  16. ncbi request reprint Case-control study of lifetime physical activity and breast cancer risk
    C M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Alberta, Canada
    Am J Epidemiol 154:336-47. 2001
    ..22, 95% CI: 0.07, 0.70) when they compared the highest with the lowest quartile of lifetime total physical activity. This study provides evidence that lifetime total activity reduces risk of postmenopausal breast cancer...
  17. ncbi request reprint Physical activity and cancer prevention: from observational to intervention research
    C M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Alberta, T2N 4N2 Canada
    Cancer Epidemiol Biomarkers Prev 10:287-301. 2001
    ..This review concludes with detailed recommendations for future research in this field...
  18. ncbi request reprint Commentary: improving pooled analyses in epidemiology
    Christine M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, AB, Canada
    Int J Epidemiol 31:86-7. 2002
  19. ncbi request reprint Case-control study of anthropometric measures and breast cancer risk
    Christine M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Canada
    Int J Cancer 99:445-52. 2002
    ..These effects were independent of dietary intake and lifetime total physical activity...
  20. ncbi request reprint Review of anthropometric factors and breast cancer risk
    C M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Canada
    Eur J Cancer Prev 10:15-32. 2001
    ..Recommendations for future research on anthropometric factors and breast cancer are provided. Sufficient evidence exists to support strategies to avoid weight gain throughout life as a means of reducing postmenopausal breast cancer risk...
  21. ncbi request reprint Influence of physical activity in different age and life periods on the risk of breast cancer
    C M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Edmonton, Alberta, Canada
    Epidemiology 12:604-12. 2001
    ..58 (95% confidence interval = 0.41-0.83). This study suggests that sustained activity throughout life and particularly activity done later in life may have the most benefit in reducing breast cancer risk...
  22. ncbi request reprint Prevalence of meeting physical activity guidelines for cancer prevention in Alberta
    F E Aparicio-Ting
    Department of Population Health Research, Alberta Health Services Cancer Care, Calgary, Alberta, Canada
    Chronic Dis Inj Can 32:216-26. 2012
    ..S. Department of Health and Human Services (USDHHS) for health benefits and by the American Cancer Society (ACS) and the World Cancer Research Fund/American Institute for Cancer Research (WCRF/AICR) for cancer prevention benefits...
  23. ncbi request reprint Risk factors for benign breast biopsies: a nested case-control study in the Alberta breast screening program
    C M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary
    Cancer Detect Prev 25:280-91. 2001
    ..By considering these risk factors, breast screening programs may be better able to identify those women who require a breast biopsy and reduce the number of benign breast biopsies...
  24. ncbi request reprint The lifetime total physical activity questionnaire: development and reliability
    C M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Canada
    Med Sci Sports Exerc 30:266-74. 1998
    ..To develop and test the intra-rater reliability of an interview-administered questionnaire that assesses lifetime patterns of total physical activity including occupational, household, and exercise/sports activities...
  25. ncbi request reprint Estimating activity energy expenditure: how valid are physical activity questionnaires?
    Heather K Neilson
    Division of Population Health and Information, Alberta Cancer Board, Calgary, Canada
    Am J Clin Nutr 87:279-91. 2008
    ..Small sample sizes, use of correlation coefficients, and limited information on individual validity were problematic. Future research should address these issues to clarify the true validity of PAQs for estimating AEE...
  26. ncbi request reprint An analysis of the effect of selection bias on the association of hormone replacement therapy and breast cancer risk
    Ilona Csizmadi
    Division of Population Health and Information, Alberta Cancer Board, 1331 29 Street NW, Calgary, Alberta T2N 4N2, Canada
    Chronic Dis Can 26:73-9. 2005
    ..02 - 2.40), respectively, following re-sampling of the controls. This sensitivity analysis illustrates the extent to which differential participation rates between HRT users and nonusers may affect estimates of measures of effect...
  27. pmc Case-control study of lifetime total physical activity and endometrial cancer risk
    Christine M Friedenreich
    Alberta Health Services, 1331 29 St NW, Calgary, AB T2N 4N2, Canada
    Cancer Causes Control 21:1105-16. 2010
    ..This study provides evidence for a decreased risk between lifetime physical activity and endometrial cancer risk and a possible increased risk associated with sedentary behavior...
  28. ncbi request reprint Adaptation and evaluation of the National Cancer Institute's Diet History Questionnaire and nutrient database for Canadian populations
    Ilona Csizmadi
    Division of Population Health and Information, Alberta Cancer Board, 1331 29 Street NW, Calgary, Alberta, Canada, T2N 4N2
    Public Health Nutr 10:88-96. 2007
    ..Hence, we undertook to evaluate and modify the National Cancer Institute's Diet History Questionnaire (DHQ) and nutrient database...
  29. doi request reprint Medical, demographic and social cognitive correlates of physical activity in a population-based sample of colorectal cancer survivors
    A E Speed-Andrews
    Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Alberta, Canada
    Eur J Cancer Care (Engl) 21:187-96. 2012
    ..43; P < 0.001), affective attitude (β= 0.25; P < 0.001) and instrumental attitude (β= 0.15; P < 0.001). The TPB may be a useful framework for developing population-based interventions to increase PA in CRC survivors...
  30. ncbi request reprint Effect of cardiorespiratory fitness on vascular regulation and oxidative stress in postmenopausal women
    Vincent Pialoux
    Department of Physiology and Pharmacology, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
    Hypertension 54:1014-20. 2009
    ..Furthermore, these results suggest that oxidative stress and NO production modulate MABP and CVC...
  31. ncbi request reprint Physical activity and cancer: lessons learned from nutritional epidemiology
    C M Friedenreich
    Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Canada
    Nutr Rev 59:349-57. 2001
    ....
  32. pmc Adiposity changes after a 1-year aerobic exercise intervention among postmenopausal women: a randomized controlled trial
    C M Friedenreich
    Department of Population Health Research, Alberta Health Services, Calgary, Alberta, Canada
    Int J Obes (Lond) 35:427-35. 2011
    ..We examined the effects of an aerobic exercise intervention on adiposity outcomes that may be involved in the association between physical activity and breast cancer risk...
  33. doi request reprint Moderators of the effects of exercise training in breast cancer patients receiving chemotherapy: a randomized controlled trial
    Kerry S Courneya
    Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Alberta, Canada
    Cancer 112:1845-53. 2008
    ..In this study, the authors examined personal and clinical factors that may predict exercise training responses...
  34. ncbi request reprint Effects of aerobic and resistance exercise in breast cancer patients receiving adjuvant chemotherapy: a multicenter randomized controlled trial
    Kerry S Courneya
    Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Alberta, Canada
    J Clin Oncol 25:4396-404. 2007
    ..We evaluated the relative merits of aerobic and resistance exercise in blunting these effects...
  35. pmc Alberta physical activity and breast cancer prevention trial: sex hormone changes in a year-long exercise intervention among postmenopausal women
    Christine M Friedenreich
    Alberta Health Services, Calgary, Alberta, Canada
    J Clin Oncol 28:1458-66. 2010
    ....
  36. ncbi request reprint Physical activity and cancer control
    Kerry S Courneya
    Faculty of Physical Education and Recreation, University of Alberta, E 488 Van Vliet Center, Edmonton, Alberta, Canada, T6G 2H9
    Semin Oncol Nurs 23:242-52. 2007
    ..To provide an overview and update of physical activity (PA) research across the entire cancer control continuum...
  37. doi request reprint Barriers to supervised exercise training in a randomized controlled trial of breast cancer patients receiving chemotherapy
    Kerry S Courneya
    University of Alberta, E 488 Van Vliet Center, Edmonton, Alberta, Canada
    Ann Behav Med 35:116-22. 2008
    ..Exercise adherence is a challenge for breast cancer patients receiving chemotherapy but few studies have identified the key barriers...
  38. doi request reprint Physical activity and postmenopausal breast cancer: proposed biologic mechanisms and areas for future research
    Heather K Neilson
    Division of Population Health, Alberta Cancer Board, 1331 29 Street NW, Calgary, Alberta, Canada T2N 4N2
    Cancer Epidemiol Biomarkers Prev 18:11-27. 2009
    ..Future etiologic studies should consider interactions among biomarkers, whereas exercise trials should explore exercise effects independently of weight loss, different exercise prescriptions, and effects on central adiposity...
  39. ncbi request reprint The role of physical activity in breast cancer etiology
    Christine M Friedenreich
    Department of Population Health Research, Alberta Health Services Cancer Care, Calgary, Alberta, Canada
    Semin Oncol 37:297-302. 2010
    ..These additional data will be useful in improving public health recommendations regarding physical activity for breast cancer risk reduction...
  40. ncbi request reprint Exercise motivation and adherence in cancer survivors after participation in a randomized controlled trial: an attribution theory perspective
    Kerry S Courneya
    Faculty of Physical Education, University of Alberta, E 424 Van Vliet Center, Edmonton, Alberta, Canada, T6G 2H9
    Int J Behav Med 11:8-17. 2004
    ..We concluded that attribution theory may have utility for understanding postprogram exercise motivation and adherence in cancer survivors...
  41. ncbi request reprint Six-month follow-up of patient-rated outcomes in a randomized controlled trial of exercise training during breast cancer chemotherapy
    Kerry S Courneya
    University of Alberta, Edmonton, Alberta, Canada
    Cancer Epidemiol Biomarkers Prev 16:2572-8. 2007
    ..Few exercise trials in cancer patients have reported longer-term follow-up. Here, we report a 6-month follow-up of exercise behavior and patient-rated outcomes from an exercise trial in breast cancer patients...
  42. doi request reprint Predictors of follow-up exercise behavior 6 months after a randomized trial of exercise training during breast cancer chemotherapy
    Kerry S Courneya
    Faculty of Physical Education and Recreation, University of Alberta, E 488 Van Vliet Center, Edmonton, AB, Canada
    Breast Cancer Res Treat 114:179-87. 2009
    ..Here, we report the predictors of follow-up exercise behavior 6 months after a randomized exercise trial in breast cancer patients...
  43. ncbi request reprint Associations between aerobic fitness and estrogen metabolites in premenopausal women
    Kristin L Campbell
    Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Canada
    Med Sci Sports Exerc 37:585-92. 2005
    ..Chronic physical activity may alter estrogen metabolism, a proposed biomarker of breast cancer risk, by causing a shift toward higher 2-OHE1 and lower 16alpha-OHE1 levels...
  44. ncbi request reprint Physical activity and endometrial cancer risk: a review of the current evidence, biologic mechanisms and the quality of physical activity assessment methods
    Anne E Cust
    School of Public Health, University of Sydney, and Sydney Cancer Centre, Royal Prince Alfred Hospital, Australia
    Cancer Causes Control 18:243-58. 2007
    ....
  45. ncbi request reprint Effect of physical activity on women at increased risk of breast cancer: results from the E3N cohort study
    Bertrand Tehard
    Equipe Institut National de la Sante et de la Recherche Medicale Nutrition, Hormones et Cancer, Institut Gustave Roussy, 39 rue Camille Desmoulins, 94805 Villejuif Cedex, France
    Cancer Epidemiol Biomarkers Prev 15:57-64. 2006
    ..There is a need to investigate the type, duration, frequency, and intensity of physical activity that are critical to reduce the risk of breast cancer, and if this relation differs among subgroups of women...
  46. ncbi request reprint Physical activity in relation to mammographic density in the dutch prospect-European prospective investigation into cancer and nutrition cohort
    Karijn P M Suijkerbuijk
    Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
    Cancer Epidemiol Biomarkers Prev 15:456-60. 2006
    ..The study aim was to investigate the association between physical activity and breast density because mammographic density is strongly associated with breast cancer risk...
  47. ncbi request reprint Correlates of adherence and contamination in a randomized controlled trial of exercise in cancer survivors: an application of the theory of planned behavior and the five factor model of personality
    Kerry S Courneya
    Faculty of Physical Education, University of Alberta, Edmonton, Canada
    Ann Behav Med 24:257-68. 2002
    ..10). We conclude that the correlates of exercise adherence and contamination differ in kind as well as in degree. Explanations for these findings and practical implications for conducting exercise RCTs in this population are offered...
  48. ncbi request reprint The group psychotherapy and home-based physical exercise (group-hope) trial in cancer survivors: physical fitness and quality of life outcomes
    Kerry S Courneya
    Faculty of Physical Education, University of Alberta, Alberta, Canada T6G 2H9
    Psychooncology 12:357-74. 2003
    ..We conclude that a home-based, moderate intensity exercise program may im-prove QOL in cancer survivors beyond the benefits of GP, particularly in relation to physical and functional well-being...
  49. ncbi request reprint Predictors of adherence and contamination in a randomized trial of exercise in colorectal cancer survivors
    Kerry S Courneya
    Faculty of Physical Education, University of Alberta, Canada
    Psychooncology 13:857-66. 2004
    ..These findings may have implications for conducting clinical trials of exercise in colorectal cancer survivors and for promoting exercise to colorectal cancer survivors outside of clinical trials...
  50. ncbi request reprint A longitudinal study of exercise barriers in colorectal cancer survivors participating in a randomized controlled trial
    Kerry S Courneya
    Faculty of Physical Education, University of Alberta, Edmonton, Canada
    Ann Behav Med 29:147-53. 2005
    ..The Colorectal Cancer and Home-Based Physical Exercise (CAN-HOPE) trial compared the effects of a 16-week home-based exercise program to usual care on quality of life in colorectal cancer survivors...
  51. doi request reprint Predictors of supervised exercise adherence during breast cancer chemotherapy
    Kerry S Courneya
    Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Canada
    Med Sci Sports Exerc 40:1180-7. 2008
    ..Exercise adherence is difficult during cancer treatments, but few studies have examined the predictors of such exercise. Here, we report the predictors of adherence to supervised exercise training during breast cancer chemotherapy...