Niklas Hammar

Selective international migration by social position, health behaviour and personality (2008)

Silventoinen, Karri, Hammar, Niklas, Hedlund, Ebba, Koskenvuo, Markku, Rönnemaa, Tapani, Kaprio, Jaakko

Background: Immigrants is an important minority in many countries, but little is known how they are self-selected. We analysed differences in psycho-social and health behavioural factors between...

Increased mortality in paroxysmal atrial fibrillation: report from the Stockholm Cohort-Study of Atrial Fibrillation (SCAF) (2007)

Friberg, Leif, Hammar, Niklas, Pettersson, Hans, Rosenqvist, Mårten

Aims Whether paroxysmal atrial fibrillation (PxAF) affects survival is poorly recognized. Results have been conflicting in the few previously published studies. To describe mortality in patients with...

Renal insufficiency and long-term mortality and incidence of myocardial infarction in patients undergoing coronary artery bypass grafting (2007)

Holzmann, Martin J., Hammar, Niklas, Ahnve, Staffan, Nordqvist, Tobias, Pehrsson, Kenneth, Ivert, Torbjörn

Aims To evaluate the impact of renal insufficiency (RI) on long-term mortality and incident myocardial infarction (MI) in patients undergoing coronary artery bypass grafting (CABG). Methods and...

Stroke prophylaxis in atrial fibrillation: who gets it and who does not?Report from the Stockholm Cohort-study on Atrial Fibrillation (SCAF-study) (2006)

Friberg, Leif, Hammar, Niklas, Ringh, Mattias, Pettersson, Hans, Rosenqvist, Mårten

Aims Underuse of warfarin for stroke prophylaxis in atrial fibrillation (AF) is extensive and represents a major problem in clinical practice. To identify factors associated with warfarin treatment...

Stroke prophylaxis in atrial fibrillation: who gets it and who does not?: Report from the Stockholm Cohort-study on Atrial Fibrillation (SCAF-study) (2006)

Friberg, Leif, Hammar, Niklas, Ringh, Mattias, Pettersson, Hans, Rosenqvist, Mårten

Aims Underuse of warfarin for stroke prophylaxis in atrial fibrillation (AF) is extensive and represents a major problem in clinical practice. To identify factors associated with warfarin treatment...

Cancer incidence among 10,211 airline pilots: a Nordic study (2003)

Pukkala, Eero, Aspholm, Rafael, Auvinen, Anssi, Eliasch, Harald, Gundestrup, Maryanne, Haldorsen, Tor, ...

BACKGROUND: Commercial airline pilots are exposed to cosmic radiation and other potentially carcinogenic elements during work and leisure activities. HYPOTHESIS: Work-related factors affect cancer...

Mortality from cancer and other causes among airline cabin attendants in Europe: a collaborative cohort study in eight countries (2003)

Zeeb, Hajo, Blettner, Maria, Langner, Ingo, Hammer, Gaël P, Ballard, Terri J, Santaquilani, Mariano, ...

There is concern about the health effects of exposure to cosmic radiation during air travel. To study the potential health effects of this and occupational exposures, the authors investigated...

Mortality from Cancer and Other Causes among Airline Cabin Attendants in Europe: A Collaborative Cohort Study in Eight Countries (2003)

Zeeb, Hajo, Blettner, Maria, Langner, Ingo, Hammer, Gaël P., Ballard, Terri J., Santaquilani, Mariano, ...

There is concern about the health effects of exposure to cosmic radiation during air travel. To study the potential health effects of this and occupational exposures, the authors investigated...

Job Characteristics and the Incidence of Myocardial Infarction (1994)

HAMMAR, NIKLAS, ALFREDSSON, LARS, THEORELL, TORES

In Sweden, there are large differences in the incidence of myocardial infarction (MI) among occupational groups. These differences may to some extent be due to work environment factors, including...

Incidence of Myocardial Infarction and Mortality from Specific Causes among Bus Drivers in Sweden (1993)

ALFREDSSON, LARS, HAMMAR, NIKLAS, HOGSTEDT, CHRISTER

Previous studies have indicated that urban bus drivers have an increased risk of coronary heart disease. In the present investigation two separate studies were carried out. In the first study the...

Time Trends in Survival from Myocardial Infarction in Stockholm County 1976-1984 (1992)

HAMMAR, NIKLAS, LARSEN, FLEMMING F, SANDBERG, EVA, ALFREDSSON, LARS, THEORELL, TöRES

In Stockholm county, a rapid decline in mortality from acute myocardial infarction (AMI) was observed among middle- aged men in the early 1980s. In the present study survival among AMI patients from...

Identification of Cases of Myocardial Infarction: Hospital Discharge Data and Mortality Data Compared to Myocardial Infarction Community Registers (1991)

HAMMAR, NIKLAS, NERBRAND, CHRISTINA, AHLMARK, GÖSTA, TIBBLIN, GÖSTA, TSIPOGIANNI, ALECKA, JOHANSSON, SAGA, ...

Identification of incident myocardial infarction (MI) cases in a defined population using hospital discharge data and mortality data in combination has been suggested. This method of case...

Retrospective versus Original Information on Diet among Cases of Colorectal Cancer and Controls (1991)

HAMMAR, NIKLAS, NORELL, STAFFAN E

A cohort of subjects born 1908 to 1925 answered a questionnaire on dietary habits in 1967 (original information). Of the cases of colorectal cancer that were diagnosed in this cohort 1968–1983, 50...

Cigarette Smoking and Alcohol Use in Finland and Sweden: A Cross-National Twin Study (1982)

KAPRIO, JAAKKO, HAMMAR, NIKLAS, KOSKENVUO, MARKKU, FLODERUS-MYRHED, BIRGITTA, LANGINVAINIO, HEIMO, SARNA, SEPPO

Kaprio J (Department of Public Health Science, University of Helsinki, Haartmaninkatu 3, SF-00290 Helsinki 29, Finland). Hammar N, Koskenvuo M, Floderus-Myrhed B, Langinvainio H and Sarna S....

A Cross-National Epidemiological Resource: The Swedish and Finnish Cohort Studies of Like-Sexed Twins (1982)

CEDERLÖF, RUNE, RANTASALO, ILARI, FLODERUS-MYRHED, BIRGITTA, HAMMAR, NIKLAS, KAPRIO, JAAKKO, KOSKENVUO, MARKKU, ...

Cederl�f R (Department of Environmental Hygiene, Karolinska Institute and National Institute of Environmental Medicine, S-10401 Stockholm, Sweden), Rantasalo I, Floderus-Myrhed, B, Hammar N, Kaprio...