Danish registers contain information on many important health and social issues. Because
all Danish citizens have a unique personal identification number, linkage at the individual …

Studies based on databases, medical records and registers are used extensively today in
epidemiological research. Despite the increasing use, no developed methodological …

Introduction: Statistics Denmark has a number of registers about labour market affiliation,
which includes information on employees, establishments and the relation between …

The epidemiological literature contains an ongoing and diversified discussion of the Hill
criteria. This article offers a philosophical analysis of the criteria, showing that the criteria are …

Objective To describe the pattern of development of incidence of multiple sclerosis (MS)
over 60 years in Denmark with age-period-cohort analyses and seasonality of birth. Methods …

Background Evidence suggests that sitting time is adversely associated with health risks.
However, previous epidemiological studies have mainly addressed mortality whereas little is …

Within the fields of epidemiology, interventions research and social sciences researchers
are often faced with the challenge of decomposing the effect of an exposure into different …

Denmark and other Nordic countries have exceptional opportunities to perform register-
based research, because of the unique personal identification number available to all …

Background The COVID-19 pandemic has altered daily routines and family functioning, led
to closing schools, and dramatically limited social interactions worldwide. Measuring its …

Objectives Occupational workload has been associated with an increased risk of
osteoarthritis (OA), but only little research has been conducted among female workers. The …