Henrik Boggild - Academia.edu (original) (raw)

Papers by Henrik Boggild

Research paper thumbnail of Shift work, social class, and ischaemic heart disease in middle aged and elderly men; a 22 year follow up in the Copenhagen Male Study

Occupational and Environmental Medicine, 1999

OBJECTIVES: Shift work has been associated with an increased risk of ischaemic heart disease (IHD... more OBJECTIVES: Shift work has been associated with an increased risk of ischaemic heart disease (IHD). Most published studies have had potential problems with confounding by social class. This study explores shift work as a risk factor for IHD after controlling for social class. METHODS: The Copenhagen male study is a prospective cohort study established in 1970-1 comprising 5249 men aged

Research paper thumbnail of Socioeconomic status and use of postmenopausal hormone replacement therapy among Danish women

Acta Obstetricia Et Gynecologica Scandinavica, 2005

Observational studies on hormone replacement therapy (HRT) have shown cardioprotective effects th... more Observational studies on hormone replacement therapy (HRT) have shown cardioprotective effects that have not been replicated in randomized controlled trials, perhaps due to unaccounted confounding by socioeconomic factors. To resolve this discrepancy, we examined the association between socioeconomic status (SES) and HRT use in a large population of Danish postmenopausal women. We conducted a register-based cross-sectional study based on all women aged 40 or more with a permanent address in the North Jutland County, Denmark on 1 January 1999 (n = 122 584). The women were classified according to SES through the Prevention Registry at Statistics Denmark. Through the Pharmaco-epidemiological Prescription Database, we identified all reimbursed HRT prescriptions in North Jutland County for women aged 40 or more in the study population during 1999. We calculated 1-year prevalence proportions of HRT use for all socioeconomic groups. Between-group comparisons were made by log-risk analysis with adjustment for age. The estimated overall user-prevalence of HRT in 1999 among Danish postmenopausal women was 14.9%[95% confidence interval (CI) 14.7-15.1]. No substantial socioeconomic gradient was found in the study. The adjusted relative prevalence proportions (RPPs) varied between 0.90 and 1.14 among the different groups when using salaried employees, basic level, as the reference group. Our findings suggest that recent observational studies on the use of hormone replacement therapy among women in Denmark may not have suffered from strong confounding by socioeconomic status.

Research paper thumbnail of Application for disability pension and change in use of prescribed drugs. A regional Danish cohort study

To investigate if a pending application for disability pension had an influence on the applicant&... more To investigate if a pending application for disability pension had an influence on the applicant's purchase of medical drugs, with a particular focus on musculoskeletal disorders and the use of painkillers. We performed a registry-based follow-up study including 12,020 applicants for disability pension in a Danish county from 1995 to 2000 and linked this information to a database of drug prescriptions. Purchase of drug was calculated for the 6-month period just before the decision and for the 6-month period 2 years later. Changes in a 2-year time period were estimated by differences in purchase rates. Furthermore, the proportion of applicants with an increased purchase of drugs and the proportion of applicants who ceased buying drugs were estimated. The results were stratified by diagnosis and result of application (awarded/rejected). The analyses were furthermore restricted to musculoskeletal disorders and the use of painkillers. At baseline 81% had a purchase and after the 2-year time period 11% ceased buying prescribed drugs. Half of all applicants increased the purchase of drugs. For musculoskeletal disorders one third had an increased purchase rate of painkillers while one fourth ceased purchase of drugs with variations in different diagnostic subgroups. The major changes of drug purchase after a pending application for disability pension are probably ascribed to characteristics of the diseases underlying the disability.

Research paper thumbnail of Mental Health in the Workforce: an Occupational Psychiatric Study

International Journal of Social Psychiatry, 2010

Research paper thumbnail of Psychopathology, Defence Mechanisms, and the Psychosocial Work Environment

International Journal of Social Psychiatry, 2010

The body of evidence verifies the predictive value of certain work characteristics for mental hea... more The body of evidence verifies the predictive value of certain work characteristics for mental health problems and that various levels of adaptation mechanisms are employed when dealing with adversity. Data on the relationships between employees' mental health status, their perceptions of work, and their psychological defences are scarce. Aims: To examine the role that personal defences play in the relationship between psychiatric symptoms among working people and their working environment. Methods: Nine hundred and seventy six employees (mean age = 42.4 years, SD = 11.3) participated in a questionnaire study that included the Defence Style Questionnaire, the Symptom Checklist 90 revised, and the Copenhagen Psychosocial Questionnaire. Results: Data showed that greater maturity of psychological defences was associated with higher level of psychological functioning and there were strong associations between presence of psychopathology and the three defence clusters. Results indicated a strong positive correlation between the mature defence style and the perception of a satisfactory workplace. There was no interaction between psychopathology and defences in relation to work environment. Conclusion: Psychopathology and defences were significantly associated with work conditions, which could suggest that adaptation mechanisms and psychopathology are two independent forms of adjustment to the rapidly changing world of work.

Research paper thumbnail of Socioeconomic gradient in use of statins among Danish patients: population-based cross-sectional study

British Journal of Clinical Pharmacology, 2005

Socioeconomic inequalities in statin use are a public health concern but they may also confound o... more Socioeconomic inequalities in statin use are a public health concern but they may also confound observational studies of statins' effectiveness. We conducted a population-based cross-sectional study in Denmark to examine the association between socioeconomic status (SES) and statin use.

Research paper thumbnail of Socioeconomic status and use of postmenopausal hormone replacement therapy among Danish women

Acta Obstetricia et Gynecologica Scandinavica, 2005

Observational studies on hormone replacement therapy (HRT) have shown cardioprotective effects th... more Observational studies on hormone replacement therapy (HRT) have shown cardioprotective effects that have not been replicated in randomized controlled trials, perhaps due to unaccounted confounding by socioeconomic factors. To resolve this discrepancy, we examined the association between socioeconomic status (SES) and HRT use in a large population of Danish postmenopausal women. We conducted a register-based cross-sectional study based on all women aged 40 or more with a permanent address in the North Jutland County, Denmark on 1 January 1999 (n = 122 584). The women were classified according to SES through the Prevention Registry at Statistics Denmark. Through the Pharmaco-epidemiological Prescription Database, we identified all reimbursed HRT prescriptions in North Jutland County for women aged 40 or more in the study population during 1999. We calculated 1-year prevalence proportions of HRT use for all socioeconomic groups. Between-group comparisons were made by log-risk analysis with adjustment for age. The estimated overall user-prevalence of HRT in 1999 among Danish postmenopausal women was 14.9%[95% confidence interval (CI) 14.7-15.1]. No substantial socioeconomic gradient was found in the study. The adjusted relative prevalence proportions (RPPs) varied between 0.90 and 1.14 among the different groups when using salaried employees, basic level, as the reference group. Our findings suggest that recent observational studies on the use of hormone replacement therapy among women in Denmark may not have suffered from strong confounding by socioeconomic status.

Research paper thumbnail of Psychosocial work stress is associated with poor self-rated health in Danish nurses: a test of the effort-reward imbalance model

Scandinavian Journal of Caring Sciences, 2006

Psychosocial work stress is associated with poor self-rated health in Danish nurses: a test of th... more Psychosocial work stress is associated with poor self-rated health in Danish nurses: a test of the effort-reward imbalance model Nursing staff are exposed to stressful work load which in turn is associated with poor physical and psychological health, sickness absence and job exit. The effort-reward imbalance (ERI) model is a validated approach to measure chronic psychosocial work stress by identifying nonreciprocity between occupational efforts spent and rewards received, and has been found to predict poor health. The aim of this cross-sectional study (n ¼ 367 nurses and nurses aides) was first to test the psychometric properties of the Danish questionnaire measuring ERI, and secondly to analyse whether psychosocial work stress is associated with six indicators of poor self-rated health. Results derived from confirmatory factor analysis indicate satisfying psychometric properties. Elevated risks of poor selfrated health (odds ratios varying from 1.92 to 4.76) are observed in nursing staff characterized by high effort in combination with low reward. Effects are enhanced in those respondents who additionally exhibit a high level of work-related overcommitment. In conclusion, despite methodological limitations, this study contributes to the validation of the ERI questionnaire in Danish language. Furthermore, by documenting associations with poor selfrated health, it supports efforts of theory-guided prevention of work stress in health care professions.

Research paper thumbnail of Shift work, social class, and ischaemic heart disease in middle aged and elderly men; a 22 year follow up in the Copenhagen Male Study

Occupational and Environmental Medicine, 1999

OBJECTIVES: Shift work has been associated with an increased risk of ischaemic heart disease (IHD... more OBJECTIVES: Shift work has been associated with an increased risk of ischaemic heart disease (IHD). Most published studies have had potential problems with confounding by social class. This study explores shift work as a risk factor for IHD after controlling for social class. METHODS: The Copenhagen male study is a prospective cohort study established in 1970-1 comprising 5249 men aged

Research paper thumbnail of Socioeconomic status and use of postmenopausal hormone replacement therapy among Danish women

Acta Obstetricia Et Gynecologica Scandinavica, 2005

Observational studies on hormone replacement therapy (HRT) have shown cardioprotective effects th... more Observational studies on hormone replacement therapy (HRT) have shown cardioprotective effects that have not been replicated in randomized controlled trials, perhaps due to unaccounted confounding by socioeconomic factors. To resolve this discrepancy, we examined the association between socioeconomic status (SES) and HRT use in a large population of Danish postmenopausal women. We conducted a register-based cross-sectional study based on all women aged 40 or more with a permanent address in the North Jutland County, Denmark on 1 January 1999 (n = 122 584). The women were classified according to SES through the Prevention Registry at Statistics Denmark. Through the Pharmaco-epidemiological Prescription Database, we identified all reimbursed HRT prescriptions in North Jutland County for women aged 40 or more in the study population during 1999. We calculated 1-year prevalence proportions of HRT use for all socioeconomic groups. Between-group comparisons were made by log-risk analysis with adjustment for age. The estimated overall user-prevalence of HRT in 1999 among Danish postmenopausal women was 14.9%[95% confidence interval (CI) 14.7-15.1]. No substantial socioeconomic gradient was found in the study. The adjusted relative prevalence proportions (RPPs) varied between 0.90 and 1.14 among the different groups when using salaried employees, basic level, as the reference group. Our findings suggest that recent observational studies on the use of hormone replacement therapy among women in Denmark may not have suffered from strong confounding by socioeconomic status.

Research paper thumbnail of Application for disability pension and change in use of prescribed drugs. A regional Danish cohort study

To investigate if a pending application for disability pension had an influence on the applicant&... more To investigate if a pending application for disability pension had an influence on the applicant's purchase of medical drugs, with a particular focus on musculoskeletal disorders and the use of painkillers. We performed a registry-based follow-up study including 12,020 applicants for disability pension in a Danish county from 1995 to 2000 and linked this information to a database of drug prescriptions. Purchase of drug was calculated for the 6-month period just before the decision and for the 6-month period 2 years later. Changes in a 2-year time period were estimated by differences in purchase rates. Furthermore, the proportion of applicants with an increased purchase of drugs and the proportion of applicants who ceased buying drugs were estimated. The results were stratified by diagnosis and result of application (awarded/rejected). The analyses were furthermore restricted to musculoskeletal disorders and the use of painkillers. At baseline 81% had a purchase and after the 2-year time period 11% ceased buying prescribed drugs. Half of all applicants increased the purchase of drugs. For musculoskeletal disorders one third had an increased purchase rate of painkillers while one fourth ceased purchase of drugs with variations in different diagnostic subgroups. The major changes of drug purchase after a pending application for disability pension are probably ascribed to characteristics of the diseases underlying the disability.

Research paper thumbnail of Mental Health in the Workforce: an Occupational Psychiatric Study

International Journal of Social Psychiatry, 2010

Research paper thumbnail of Psychopathology, Defence Mechanisms, and the Psychosocial Work Environment

International Journal of Social Psychiatry, 2010

The body of evidence verifies the predictive value of certain work characteristics for mental hea... more The body of evidence verifies the predictive value of certain work characteristics for mental health problems and that various levels of adaptation mechanisms are employed when dealing with adversity. Data on the relationships between employees' mental health status, their perceptions of work, and their psychological defences are scarce. Aims: To examine the role that personal defences play in the relationship between psychiatric symptoms among working people and their working environment. Methods: Nine hundred and seventy six employees (mean age = 42.4 years, SD = 11.3) participated in a questionnaire study that included the Defence Style Questionnaire, the Symptom Checklist 90 revised, and the Copenhagen Psychosocial Questionnaire. Results: Data showed that greater maturity of psychological defences was associated with higher level of psychological functioning and there were strong associations between presence of psychopathology and the three defence clusters. Results indicated a strong positive correlation between the mature defence style and the perception of a satisfactory workplace. There was no interaction between psychopathology and defences in relation to work environment. Conclusion: Psychopathology and defences were significantly associated with work conditions, which could suggest that adaptation mechanisms and psychopathology are two independent forms of adjustment to the rapidly changing world of work.

Research paper thumbnail of Socioeconomic gradient in use of statins among Danish patients: population-based cross-sectional study

British Journal of Clinical Pharmacology, 2005

Socioeconomic inequalities in statin use are a public health concern but they may also confound o... more Socioeconomic inequalities in statin use are a public health concern but they may also confound observational studies of statins' effectiveness. We conducted a population-based cross-sectional study in Denmark to examine the association between socioeconomic status (SES) and statin use.

Research paper thumbnail of Socioeconomic status and use of postmenopausal hormone replacement therapy among Danish women

Acta Obstetricia et Gynecologica Scandinavica, 2005

Observational studies on hormone replacement therapy (HRT) have shown cardioprotective effects th... more Observational studies on hormone replacement therapy (HRT) have shown cardioprotective effects that have not been replicated in randomized controlled trials, perhaps due to unaccounted confounding by socioeconomic factors. To resolve this discrepancy, we examined the association between socioeconomic status (SES) and HRT use in a large population of Danish postmenopausal women. We conducted a register-based cross-sectional study based on all women aged 40 or more with a permanent address in the North Jutland County, Denmark on 1 January 1999 (n = 122 584). The women were classified according to SES through the Prevention Registry at Statistics Denmark. Through the Pharmaco-epidemiological Prescription Database, we identified all reimbursed HRT prescriptions in North Jutland County for women aged 40 or more in the study population during 1999. We calculated 1-year prevalence proportions of HRT use for all socioeconomic groups. Between-group comparisons were made by log-risk analysis with adjustment for age. The estimated overall user-prevalence of HRT in 1999 among Danish postmenopausal women was 14.9%[95% confidence interval (CI) 14.7-15.1]. No substantial socioeconomic gradient was found in the study. The adjusted relative prevalence proportions (RPPs) varied between 0.90 and 1.14 among the different groups when using salaried employees, basic level, as the reference group. Our findings suggest that recent observational studies on the use of hormone replacement therapy among women in Denmark may not have suffered from strong confounding by socioeconomic status.

Research paper thumbnail of Psychosocial work stress is associated with poor self-rated health in Danish nurses: a test of the effort-reward imbalance model

Scandinavian Journal of Caring Sciences, 2006

Psychosocial work stress is associated with poor self-rated health in Danish nurses: a test of th... more Psychosocial work stress is associated with poor self-rated health in Danish nurses: a test of the effort-reward imbalance model Nursing staff are exposed to stressful work load which in turn is associated with poor physical and psychological health, sickness absence and job exit. The effort-reward imbalance (ERI) model is a validated approach to measure chronic psychosocial work stress by identifying nonreciprocity between occupational efforts spent and rewards received, and has been found to predict poor health. The aim of this cross-sectional study (n ¼ 367 nurses and nurses aides) was first to test the psychometric properties of the Danish questionnaire measuring ERI, and secondly to analyse whether psychosocial work stress is associated with six indicators of poor self-rated health. Results derived from confirmatory factor analysis indicate satisfying psychometric properties. Elevated risks of poor selfrated health (odds ratios varying from 1.92 to 4.76) are observed in nursing staff characterized by high effort in combination with low reward. Effects are enhanced in those respondents who additionally exhibit a high level of work-related overcommitment. In conclusion, despite methodological limitations, this study contributes to the validation of the ERI questionnaire in Danish language. Furthermore, by documenting associations with poor selfrated health, it supports efforts of theory-guided prevention of work stress in health care professions.