Riksmaten 1997-98

SND-ID: EXT 0094

Creator/Principal investigator(s)

National Food Agency


In 1997-98, the Statistics Sweden in co-operation with the National Food Administration (NFA) carried out the second nationwide Swedish dietary survey, Riksmaten. The study was a follow-up of the previous survey (Hulk) carried out in 1989, using similar design and methods. In Riksmaten a representative sample of 2000 households consisted the survey base. In each household one person, aged 18-74 years, was selected to register food intake in a precoded 7-days record book. The participants also filled in a questionnaire with information on body weight, height, education, occupation, physical activity, smoking habits and other lifestyle factors. The sampling design was continuous, i.e. a number of households were invited to participate every second week, thus covering the whole year.

The population in Riksmaten 1997-98 was all registered persons in Sweden between 18-74 years. Subjects were drawn by using systematic sampling from a population register. The selection was based on 2,027 individuals and participation rate comprised 60 %.

The survey contained 32 questions (regarding height, weight,

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Research principal, contributors, and funding

Research principal

National Food Agency

Responsible department/unit

Swedish Food Agency

Protection and ethical review

Data contains personal data


Method and time period

Unit of analysis


The population consisted of persons aged 18-74 years registered in Sweden.

Time Method

Sampling procedure

Probability: Systematic random

Time period(s) investigated

1997 – 1998

Geographic coverage

Geographic spread

Geographic location: Sweden


Becker W, Paerson M. Riksmaten 1997-98. Kostvanor och näringsintag i Sverige. Metod- och resultatanalys. Livsmedelsverket.
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Riksmaten 1997-98

Associated documentation


The dataset contains food registry and a survey from the study participants.

Data format / data structure


Creator/Principal investigator(s)

National Food Agency

Time period(s) investigated

1997 – 1998

Data collection 1

  • Mode of collection: Self-administered writings and/or diaries
  • Time period(s) for data collection: 1997–1998
  • Source of the data: Population group, Biological samples, Other

Data collection 2

  • Mode of collection: Self-administered questionnaire
  • Time period(s) for data collection: 1997–1998
  • Data collector: Statistics Sweden
  • Source of the data: Population group, Biological samples, Other

Number of individuals/objects


Response rate/participation rate


Published: 2021-01-12