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Twenty-four-hour blood pressure among Greenlanders and Danes: relationship to diet and lifestyle. 2002

M E Jørgensen, and M B Pedersen, and C Siggaard, and T B Sørensen, and G Mulvad, and J C Hansen, and H Skjoldborg, and E B Pedersen
Department of Medicine, Queen Ingrid's Hospital, Nuuk, Greenland. Maej@novonordisk.com

BACKGROUND Greenlanders have a lower rate of cardiovascular mortality and morbidity than Danes, possibly due to lower blood pressure. However, 24-h blood pressure has never been measured in Greenlanders. The aim of this study was to compare the 24-h blood pressure of Greenlanders and Danes, and to analyse the influence of Arctic food and lifestyle on blood pressure. METHODS Four groups of healthy subjects were recruited for the study. Group I: Danes in Denmark consuming European food; group II: Greenlanders in Denmark consuming European food; group III: Greenlanders in Greenland consuming mainly European food; and group IV: Greenlanders in Greenland consuming mainly traditional Greenlandic food. All subjects underwent a physical examination, laboratory screening of blood and urine samples, and completed a questionnaire on diet, physical activity, smoking status, intake of alcohol, liquorices, vitamins and minerals. Twenty-four-hour blood pressure was measured. RESULTS It was found that 24-h diastolic blood pressure was lower in Greenlanders than in Danes for the whole 24-h period and during both day and night-time, whereas systolic blood pressure was the same (mean 24-h blood pressure with 95% CI: Danes 123/75 mmHg (120/73-127/77), Greenlanders 122/ 69 (119/68-124/70)). Among Greenlanders, blood pressure increased with age and male gender, and systolic blood pressure increased with body mass index (BMI). No association with diet was found. The difference between the two populations persisted after controlling for age, gender, BMI, outdoor temperature, and lifestyle factors. CONCLUSIONS Greenlanders have a lower 24-h diastolic blood pressure than Danes, and it is suggested that genetic factors are mainly responsible for the lower blood pressure level among Greenlanders.

UI MeSH Term Description Entries
D007407 Interviews as Topic Works about conversations with an individual or individuals held in order to obtain information about their background and other personal biographical data, their attitudes and opinions, etc. It includes works about school admission or job interviews. Group Interviews,Interviewers,Interviews, Telephone,Oral History as Topic,Group Interview,Interview, Group,Interview, Telephone,Interviewer,Interviews, Group,Telephone Interview,Telephone Interviews
D008019 Life Style Typical way of life or manner of living characteristic of an individual or group. (From APA, Thesaurus of Psychological Index Terms, 8th ed) Lifestyle Factors,Life Style Induced Illness,Lifestyle,Factor, Lifestyle,Life Styles,Lifestyle Factor,Lifestyles
D008297 Male Males
D008460 Meat The edible portions of any animal used for food including cattle, swine, goats/sheep, poultry, fish, shellfish, and game. Meats
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008991 Monitoring, Physiologic The continuous measurement of physiological processes, blood pressure, heart rate, renal output, reflexes, respiration, etc., in a patient or experimental animal; includes pharmacologic monitoring, the measurement of administered drugs or their metabolites in the blood, tissues, or urine. Patient Monitoring,Monitoring, Physiological,Physiologic Monitoring,Monitoring, Patient,Physiological Monitoring
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D003718 Denmark A country in northern Europe, bordering the Baltic Sea and the North Sea. The capital is Copenhagen. Faeroe Islands,Faroe Islands
D004032 Diet Regular course of eating and drinking adopted by a person or animal. Diets
D004641 Emigration and Immigration The process of leaving one's country to establish residence in a foreign country. Immigration,Labor Migration,Border Crossing,Chain Migration,Emigration,In-Migration,International Migration,Out-Migration,Return Migration,Settlement and Resettlement,Temporary Migration,Turnaround Migration,Border Crossings,Chain Migrations,Crossing, Border,Crossings, Border,Emigrations,Immigration and Emigration,Immigrations,In Migration,In-Migrations,International Migrations,Labor Migrations,Migration, Chain,Migration, International,Migration, Labor,Migration, Return,Migration, Temporary,Migration, Turnaround,Migrations, Chain,Migrations, International,Migrations, Labor,Migrations, Return,Migrations, Temporary,Migrations, Turnaround,Out Migration,Out-Migrations,Resettlement and Settlement,Return Migrations,Temporary Migrations,Turnaround Migrations

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