Research Topics
| C M FriedenreichSummaryAffiliation: Cross Cancer Institute Country: Canada Publications
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Detail Information
Publications
Validity and repeatability of the EPIC physical activity questionnaire: a validation study using accelerometers as an objective measureAnne 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...- Understanding breast cancer patients' preference for two types of exercise training during chemotherapy in an unblinded randomized controlled trialKerry 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... - Case-control study of anthropometric measures and prostate cancer riskChristine 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... - Physical activity and breast cancer risk: the effect of menopausal statusChristine 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... - Prospective cohort study of lifetime physical activity and breast cancer survivalChristine 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... - Physical activity and cancer prevention: etiologic evidence and biological mechanismsChristine M Friedenreich
Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Alberta, Canada, T2N 1N3
J Nutr 132:3456S-3464S. 2002.... - Reliability and validity of the Past Year Total Physical Activity QuestionnaireChristine 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... - Physical activity and breast cancer risk: impact of timing, type and dose of activity and population subgroup effectsC 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.... - Physical activity and risk of colon and rectal cancers: the European prospective investigation into cancer and nutritionChristine 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... - Anthropometric factors and risk of endometrial cancer: the European prospective investigation into cancer and nutritionChristine 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... - Physical activity and risk of endometrial cancer: the European prospective investigation into cancer and nutritionChristine 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... - Case-control study of lifetime total physical activity and prostate cancer riskC 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... - Relation between intensity of physical activity and breast cancer risk reductionC 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... - Review of anthropometric factors and breast cancer riskC 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... - Physical activity and cancer prevention: from observational to intervention researchC 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... - Case-control study of anthropometric measures and breast cancer riskChristine 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... - Commentary: improving pooled analyses in epidemiologyChristine M Friedenreich
Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, AB, Canada
Int J Epidemiol 31:86-7. 2002 - Workshop report: identification of research needs breast cancer etiologyC 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.... - A review of physical activity and prostate cancer riskC 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... - Case-control study of lifetime physical activity and breast cancer riskC 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... - Influence of physical activity in different age and life periods on the risk of breast cancerC 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... - Risk factors for benign breast biopsies: a nested case-control study in the Alberta breast screening programC 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... - The lifetime total physical activity questionnaire: development and reliabilityC 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... - Adaptation and evaluation of the National Cancer Institute's Diet History Questionnaire and nutrient database for Canadian populationsIlona 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... - An analysis of the effect of selection bias on the association of hormone replacement therapy and breast cancer riskIlona 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... - Case-control study of lifetime total physical activity and endometrial cancer riskChristine 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... - 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... - Medical, demographic and social cognitive correlates of physical activity in a population-based sample of colorectal cancer survivorsA E Speed-Andrews
Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Alberta, Canada School of Exercise Science, Physical and Health Education, University of Victoria, Victoria, British Columbia Department of Medicine, Dalhousie University, Halifax Faculty of Kinesiology, University of Calgary, Calgary, Alberta Population Health Research, Alberta Health Services, Calgary, Alberta
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... - Effect of cardiorespiratory fitness on vascular regulation and oxidative stress in postmenopausal womenVincent 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... - Physical activity and cancer: lessons learned from nutritional epidemiologyC M Friedenreich
Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Canada
Nutr Rev 59:349-57. 2001.... - Adiposity changes after a 1-year aerobic exercise intervention among postmenopausal women: a randomized controlled trialC 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... - Alberta physical activity and breast cancer prevention trial: sex hormone changes in a year-long exercise intervention among postmenopausal womenChristine M Friedenreich
Alberta Health Services, Calgary, Alberta, Canada
J Clin Oncol 28:1458-66. 2010.... - Moderators of the effects of exercise training in breast cancer patients receiving chemotherapy: a randomized controlled trialKerry 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... - Effects of aerobic and resistance exercise in breast cancer patients receiving adjuvant chemotherapy: a multicenter randomized controlled trialKerry 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... - Prevalence of meeting physical activity guidelines for cancer prevention in AlbertaF E Aparicio-Ting
Department of Population Health Research, Alberta Health Services Cancer Care, Calgary, Alberta, Canada Community Health Sciences, Faculty of Medicine, University of Calgary, 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... - Physical activity and postmenopausal breast cancer: proposed biologic mechanisms and areas for future researchHeather 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... - Exercise motivation and adherence in cancer survivors after participation in a randomized controlled trial: an attribution theory perspectiveKerry 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... - The role of physical activity in breast cancer etiologyChristine 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... - Barriers to supervised exercise training in a randomized controlled trial of breast cancer patients receiving chemotherapyKerry 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... - Physical activity and cancer controlKerry 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... - Predictors of follow-up exercise behavior 6 months after a randomized trial of exercise training during breast cancer chemotherapyKerry 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... - Six-month follow-up of patient-rated outcomes in a randomized controlled trial of exercise training during breast cancer chemotherapyKerry 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... - 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 personalityKerry 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... - Associations between aerobic fitness and estrogen metabolites in premenopausal womenKristin L Campbell
Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Canada
Med Sci Sports Exerc 37:585-92. 2005..We observed no statistically significant association between aerobic fitness and 2-OHE1 and 16alpha-OHE1, but found that body composition was associated with 2-OHE1 and 16alpha-OHE1 levels... - Effect of physical activity on women at increased risk of breast cancer: results from the E3N cohort studyBertrand 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... - Physical activity and endometrial cancer risk: a review of the current evidence, biologic mechanisms and the quality of physical activity assessment methodsAnne 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.... - Physical activity in relation to mammographic density in the dutch prospect-European prospective investigation into cancer and nutrition cohortKarijn 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..CONCLUSIONS: The result does not support a relation between current physical activity and mammographic density in postmenopausal women... - A longitudinal study of exercise barriers in colorectal cancer survivors participating in a randomized controlled trialKerry 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... - Predictors of adherence and contamination in a randomized trial of exercise in colorectal cancer survivorsKerry 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... - The group psychotherapy and home-based physical exercise (group-hope) trial in cancer survivors: physical fitness and quality of life outcomesKerry 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... - Predictors of supervised exercise adherence during breast cancer chemotherapyKerry 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...