Ad A Kaptein

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OBJECTIVE Despite the importance of the chronic use of inhaled corticosteroids (ICS) in maintaining asthma control, reported adherence varies between 40% and 60%. The Beliefs about Medicines Questionnaire (BMQ) has been shown to correlate with self-reported adherence. The aim of this study is to investigate whether beliefs about ICS (necessity and(More)
BACKGROUND Compared to healthy people, patients with chronic kidney disease (CKD) participate less in paid jobs and social activities. The aim of the study was to examine a) the perceived autonomy, self-esteem and labor participation of patients in the pre-dialysis phase, b) pre-dialysis patients' illness perceptions and treatment perceptions, and c) the(More)
OBJECTIVE To examine the association between changes in common sense models and changes in functional status over a 6-year follow-up in patients with osteoarthritis. DESIGN At baseline and follow-up, osteoarthritis outpatients (N = 241) recruited from a university medical center completed the Illness Perception Questionnaire-Revised (IPQ-R), the(More)
OBJECTIVE Illness perceptions pertain to the pattern of beliefs patients develop about their illness. Illness perceptions are determinants of quality of life (QoL). Factors contributing to persisting impaired QoL after Cushing's syndrome (CS) remain largely unknown. Therefore, the objective of this study was to explore illness perceptions, as potentially(More)
BACKGROUND Premenstrual syndrome (PMS) is a common problem. Premenstrual dysphoric disorder (PMDD) is a severe form of PMS. Combined oral contraceptives (COCs), which have both progestin and estrogen, have been examined for their ability to relieve premenstrual symptoms. A COC containing drospirenone and low estrogen has been approved for treating PMDD in(More)
This study aimed at identifying cognitive and emotional representations relevant for improving health care communication and quality of life (QoL) in patients with chronic obstructive pulmonary disease (COPD). One-hundred-seventy-one COPD outpatients completed questionnaires on illness perceptions and QoL. After controlling for the effects of age, pulmonary(More)
OBJECTIVE To determine the natural history and long-term quality-of-life (QOL) outcome after conservative treatment for vestibular schwannoma. STUDY DESIGN Prospective study conducted in a university-based tertiary referral center. PATIENTS A total of 70 vestibular schwannoma patients who were initially included in the wait and scan protocol between(More)
OBJECTIVE In the last decade, illness perceptions have been identified as important in the treatment of fibromyalgia (FM). The aim of the present study was to examine illness perceptions and use of the revised Illness Perception Questionnaire in patients with FM (IPQ-R-FM) and their relationship to quality of life and catastrophizing. METHODS A domain(More)
BACKGROUND AND AIMS Understanding the determinants of Crohn's disease (CD) patients' health-related quality of life (HRQOL) may facilitate interventions that improve HRQOL. Therefore, we systematically assessed determinants of HRQOL in adult CD patients. METHODS The databases PubMed, EMBASE, the Cochrane Library, PsycINFO and CINAHL were searched for(More)
BACKGROUND Modern health worries (MHW) are concerns related to modern or technological features of daily life (e.g., air pollution, x-rays, food additives, etc.), and have been associated with subjective health complaints (SHC) and health care use. PURPOSE The MHW scale was expected to predict aspects of health status in healthy individuals (e.g., health(More)