Evidence map›Paper›PMID 27730115›Full record

ArticleCMAJ open

Design, methods and demographics from phase I of Alberta's Tomorrow Project cohort: a prospective cohort profile.

Paula J Robson, Nathan M Solbak, Tiffany R Haig, Heather K Whelan, Jennifer E Vena, Alianu K Akawung, William K Rosner, Darren R Brenner, Linda S Cook, Ilona Csizmadi and 3 more

Abstract read
In one paragraph

Article in CMAJ open. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

48 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  4. Observational
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors.

Paula J RobsonCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Nathan M SolbakCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Tiffany R HaigCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Heather K WhelanCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Jennifer E VenaCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Alianu K AkawungCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
William K RosnerCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Darren R BrennerCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Linda S CookCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Ilona CsizmadiCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Karen A KopciukCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
S Elizabeth McGregorCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.
Christine M FriedenreichCancer Measurement, Outcomes, Research and Evaluation (Robson), CancerControl Alberta, Alberta Health Services; Department of Agricultural, Food and Nutritional Science (Robson), Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alta.; Cancer Measurement, Outcomes, Research and Evaluation (Solbak, Haig, Whelan, Vena, Akawung, Rosner), CancerControl Alberta, Alberta Health Services; Department of Cancer Epidemiology and Prevention Research (Brenner, Friedenreich, Csizmadi, Kopciuk), CancerControl Alberta, Alberta Health Services; Department of Oncology and Department of Community Health Sciences (Brenner, Friedenreich, Csizmadi), Cumming School of Medicine, University of Calgary, Health Sciences Centre, Calgary, Alta.; Department of Internal Medicine (Cook), University of New Mexico, Albuquerque, NM; Departments of Oncology and Mathematics and Statistics (Kopciuk), University of Calgary, Calgary, Alta.; Population, Public and Aboriginal Health (McGregor), Alberta Health Services, Calgary, Alta.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundProspective cohorts have the potential to support multifactorial, health-related research, particularly if they are drawn from the general population, incorporate active and passive follow-up and permission is obtained to allow access by researchers to data repositories. This paper describes Phase I of the Alberta's Tomorrow Project cohort, a broad-based research platform designed to support investigations into factors that influence cancer and chronic disease risk.

methodsAdults aged 35-69 years living in Alberta, Canada, with no previous cancer diagnosis other than nonmelanoma skin cancer were recruited to the project by telephone-based random digit dialling. Participants were enrolled if they returned a Health and Lifestyle Questionnaire. Past year diet and physical activity questionnaires were mailed 3 months after enrolment. Consent was sought for active follow-up and linkage with administrative databases. Depending on enrolment date, participants were invited to complete up to 2 follow-up questionnaires (2004 and 2008).

resultsBetween 2001 and 2009, 31 072 (39% men) participants (mean age 50.2 [± 9.2] yr) were enrolled and 99% consented to linkage with administrative databases. Participants reported a wide range of educational attainment and household income. Compared with provincial surveillance data from the Canadian Community Health Survey, Alberta's Tomorrow Project participants had higher body mass index, lower prevalence of smoking and similar distribution of chronic health conditions. Follow-up questionnaires were completed by 83% and 72% of participants in 2004 and 2008, respectively. Robust quality control measures resulted in low frequencies of missing data.

interpretationAlberta's Tomorrow Project provides a robust platform, based on a prospective cohort design, to support research into risk factors for cancer and chronic disease.

Identifiers

PMID27730115
PMCPMC5047802

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.