National March Cohort

SND-ID: EXT 0166

This study is part of the collection Swedish Cohort Consortium (Cohorts.se)

Creator/Principal investigator(s)

Ylva Trolle Lagerros - Karolinska Institutet, Department of Medicine, Solna

Rino Bellocco - Karolinska Institutet, Department of Medical Epidemiology and Biostatistics

Description

Three pages of this questionnaire were devoted to physical activity, the main focus of the project. Both previously validated and newly developed questions were used in order to estimate energy expenditure and to distinguish between constant low-level activity and short-term peak activity. We used a new rating scale for self-reports of time spent on different intensity levels of physical activity (and inactivity) during a typical day, allowing estimation of total energy expenditure on an interval scale level. This scale has been shown to be both valid and reliable. Seven pages contained questions about diet, using a 63-item validated semi-quantitative food frequency questionnaire that allows estimation of total energy intake and calorie adjustment. Supplementary questions were asked about intake of fried food, detailed pattern of alcohol intake, dietary supplements and use of health food preparations. Two pages had questions about anthropometrical measures, including height, weight (birth weight, current weight, and weight fluctuations), waist and hip measures (allowing calculations of BMI, le

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Research principal, contributors, and funding

Research principal

Karolinska Institutet

Responsible department/unit

Department of Medicine, Solna

Protection and ethical review
Method and time period

Unit of analysis

Population

The population consists of women and men in Sweden, 18 years or older.

Sampling procedure

Non-probability
Geographic coverage
Publications

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Yang F, Trolle Lagerros Y, Bellocco R, Adami HO, Fang F, Pedersen NL, Wirdefeldt K. Physical activity and risk of Parkinson's disease in the Swedish National March Cohort. Brain. 2015 Feb;138(Pt 2):269-75. doi: 10.1093/brain/awu323. Epub 2014 Nov 18.
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Lagerros YT, Bellocco R, Adami HO, Nyrén O. Measures of physical activity and their correlates: the Swedish National March Cohort. Eur J Epidemiol. 2009;24(4):161-9. doi: 10.1007/s10654-009-9327-x. Epub 2009 Mar 18.

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Contact

Ylva Trolle Lagerros

ylva.trolle@ki.se

Dataset
National March Cohort

Associated documentation

Data format / data structure

Numeric

Creator/Principal investigator(s)

Ylva Trolle Lagerros - Karolinska Institutet, Department of Medicine, Solna

Rino Bellocco - Karolinska Institutet, Department of Medical Epidemiology and Biostatistics

Data collection

  • Mode of collection: Self-administered questionnaire
  • Time period(s) for data collection: 1997-09-11–1997-09-14
  • Source of the data: Registers/Records/Accounts: Administrative, Population group

Number of individuals/objects

43880

Contact for questions about the data

Ylva Trolle Lagerros

ylva.trolle@ki.se

Published: 2015-04-28
Last updated: 2020-01-17