Marjan J. Westerman

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BACKGROUND Quality of life (QoL) is considered to be an indispensable outcome measure of curative and palliative treatment. However, QoL research often yields findings that raise questions about what QoL measurement instruments actually assess and how the scores should be interpreted. OBJECTIVE To investigate how patients interpret and respond to(More)
BACKGROUND Due to the aging of the population, there is a societal need for workers to prolong their working lives. In the Netherlands, many employees still leave the workforce before the official retirement age of 65. Previous quantitative research showed that poor self-perceived health is a risk factor of (non-disability) early retirement. However, little(More)
BACKGROUND Due to the aging of the population and subsequent higher pressure on public finances, there is a need for employees in many European countries to extend their working lives. One way in which this can be achieved is by employees refraining from retiring early. Factors predicting early retirement have been identified in quantitative research, but(More)
BACKGROUND Response shift has gained increasing attention in the measurement of health-related quality of life (QoL) as it may explain counter-intuitive findings as a result of adaptation to deteriorating health. OBJECTIVE To search for response shift type explanations to account for counter-intuitive findings in QoL measurement. METHODS Qualitative(More)
BACKGROUND Continuity of care during labour is important for women. Women with an intrapartum referral from primary to secondary care look back more negatively on their birh experience compared to those who are not referred. It is not clear which aspects of care contribute to this negative birth experience. This study aimed to explore in-depth the(More)
OBJECTIVE Adherence to medication in patients with type 2 diabetes varies widely, yet the factors that influence adherence according to patients are not fully known. The aim of this study is to explore both factors related to high and lower levels of adherence that patients with type 2 diabetes experienced in their medication use. SETTING Primary care in(More)
OBJECTIVES In 2007 neonatal screening (NNS) was expanded to include screening for sickle cell disease (SCD) and beta-thalassaemia. Up until that year no formal recommendations for haemoglobinopathy (carrier) screening existed in the Netherlands. Although it has been subject to debate in the past, preconceptional and prenatal haemoglobinopathy carrier(More)
BACKGROUND Since its launch in 2003, the Dutch Lung Cancer Information Center's (DLIC) website has become increasingly popular. The most popular page of the website is the section "Ask the Physician", where visitors can ask an online lung specialist questions anonymously and receive an answer quickly. Most questions were not only asked by lung cancer(More)
BACKGROUND In economic evaluations of care services for older adults health-related quality of life (QoL) measures such as the EQ-5D are increasingly replaced by the ICECAP-O and ASCOT, which cover a broader scope of QoL than health alone. Little is known about the content validity and feasibility of these measures. The purpose of this study was to explore(More)
BACKGROUND The aim of this study is to determine opportunities and barriers regarding the management of overweight and obese children in daily practice, and to show the value of using focus groups when developing an action plan for childhood overweight management in a local context. METHODS Seven focus groups and four semi-structured interviews were(More)