Aims This study examined the association of leisure time physical activity, occupational physical activity, and resting heart rate with all-cause and cardiovascular disease mortality in Sami and non-Sami populations. Study design This was a longitudinal, observational population-based study. Methods The Finnmark 3 study cohort was examined in 1987–1988 and followed for all-cause and cardiovascular disease mortality for 26 years. The cohort included 17,697 men and women with a mean age of 47.2 years at baseline. Leisure time physical activity and occupational physical activity were assessed with a validated questionnaire at baseline, whereas cause of death was obtained from the Norwegian Cause of Death Registry. Results A total of 1983 women and 3147 men died during follow-up. Leisure time physical activity was linearly and inversely associated with all-cause mortality, but not coronary heart disease mortality. Compared to inactive subjects, all-cause mortality was significantly reduced by 16% in the active leisure time physical activity group (hazard ratio 0.84; 95% confidence interval 0.76–0.92). Both for all-cause and cardiovascular disease mortality, we observed a U-shaped relationship with occupational physical activity, as participants in the walking and lifting group had significantly lower mortality than both the mostly sedentary and the heavy manual labour group ( p < 0.05). An increase in resting heart rate by one beat per minute was associated with a 1.1% increase in all-cause mortality (hazard ratio 1.011; 95% confidence interval 1.009–1.013). The associations were similar in Sami and non-Sami subjects. Conclusion In this population-based study, leisure time physical activity was inversely associated with all-cause mortality, whereas resting heart rate was positively associated with all-cause and cardiovascular disease mortality. There was a U-shaped association between occupational physical activity and cardiovascular disease and all-cause mortality.

Study objective: Is there a difference in self-reported physical activity between the Norse and Sami population, and could the activity levels have been differently reported in the two ethnic groups? Design: Cross-sectional, population-based study. In addition, we performed interviews to validate the questions used in the survey to measure physical activity. Setting: Finnmark County, Norway. Participants: 866 men and 860 women of Sami origin, and 4105 men and 3948 women of Norse origin. Attendance rate 77.7%. In addition, we interviewed ten Samispeaking and seven Norwegian-speaking persons about physical activity. Main results : Among men, the two ethnic groups differed in leisure time physical activity (χ˝= 11.462, p= 0.009). Sami women were less active than Norse women in leisure time (χ˝= 21.568, p< 0.001). Both Sami men and women were significantly more active during work than Norse persons (χ˝ = 93.819, p< 0.001 for men and χ˝ = 59.323, p< 0.001 for women). Conclusions: Sami men and women were more physically active at work and had a higher total physical activity score than Norse men and women. The variables used to measure different aspect of physical activity seem to be valid in a diverse ethnic population.

Objective: The aim of this study was to examine the associations between changes in leisure time physical activity and changes in cardiovascular risk factors over 16 years and whether they differ between two ethnic groups in Norway.Methods: Data were extracted from two population-based studies. Altogether, 3671 men and women participated in both surveys, and 30% reported being of Sami ethnicity. Leisure time physical activity was self-reported, and cardiovascular risk factors were measured. ANCOVA analysis was used to examine associations between changes in physical activity and changes in cardiovascular risk factors.Results: After adjustment for age, sex, smoking, ethnicity and respective baseline values, favourable changes in body mass index (BMI) and levels of triglycerides were most pronounced in those who were active in both surveys (p < 0.05) whereas the opposite was the situation for cholesterol levels (p = 0.003). Changes in systolic blood pressure, diastolic blood pressure and resting heart rate were not significantly associated with change in physical activity. Ethnicity did not influence the associations between physical activity and cardiovascular risk factors.Conclusion: Traditional cardiovascular risk factors were to a small extent associated with change in leisure time physical activity. Persistent physical activity was associated with beneficial changes in BMI and triglycerides.

The low risk of cancer in Seventh-Day Adventists (SDAs) has been suggested to be due to genetic selection. To investigate this claim we examined the sister chromatid exchange (SCE) frequency in peripheral blood lymphocytes in 16 SDA children in Tromsø, all aged 0.5-8 years and 16 controls matched for sex and age. In 12 of 16 pairs, the SDA children had a lower SCE frequency than the controls. The mean difference was 4.06 (95% confidence interval -17.02-8.89, P = 0.51). There was no sex difference, and no correlation between age and SCE frequency. The genetic starting point with regard to SCE frequency seems to be the same for SDA children and controls.

Váibmo- ja varrasuotnavigit lea okta váldosivva ovdal áigge jápmimii. Čalmmustahttit eastadeaddji doaibmabijuid lea danin dehálaš. Rumašlaš lihkadeapmi lea ávkkálaš eastadeaddji doaibmabidju, muhto lea váilevaš máhttu das movt rumašlaš lihkadeami, váibmo- ja varrasuotnadávddaid riskabealit ja jápmin leat čatnasan oktii eamiálbmogiin, ovdamearkka dihte sápmelaččaid gaskkas. Historjjálaččat lea máŋggačearddalaš álbmogis davvin leamašan alladeappot váibmo- ja varrasuotnajámolašvuohta go riikkagaskamearis. Vurdojuvvon eallenahki Finnmárkkus lea ain vuollegeappos go muđui riikkas. Doavttergrádabargu jagis 2020, man vuođđun lea Finnmárku 3-iskkadeapmi (Finnmark 3) jagiin 1987–1988 ja SAMINOR 1 jagis 2003, čájehii ahte sámi dievddut ja nissonat Finnmárkkus jagiin 1987–1988 lihkadedje rumašlaččat barggus eanet ja sis lei obbalaččat stuorát rumašlaš aktivitehtalohku go norgalaš dievdduin ja nissoniin. Čiekŋudanjearahallan rumašlaš lihkadeami birra barggus ja astoáiggis čujuhii ahte boazosápmelaččat ja boanddat goappaš čearddalaš joavkkuin eai čielgasit sirren barggu ja astoáiggi. Dat sáhttá váikkuhan dasa movt ipmirdedje ja vástidedje jearaldagaid rumašlaš lihkadeami birra dearvvašvuođaiskkademiin. Iskkadeami bohtosat čájehedje ahte olbmuin geat rumašlaččat lihkadedje sihke Finnmárku 3 ja SAMINOR 1 iskkademiin, sis unnimusat loktanii rupmaša čoahkkisvuođamihttu dán 16-jagi áigodagas. Go čuovuimet oassálastid Finnmárku 3:s, 26 jagi badjel, de gávnnaimet ahte sii geat eanemusat rumašlaččat lihkadedje astoáiggis, sis lei 16 % unnit jámolašvuohta go olbmuin geat eai lihkadan astoáiggis.