Ingmar Schäfer
Publications
Activating GENeral practitioners dialogue with patients on their Agenda (MultiCare AGENDA) study protocol for a cluster randomized controlled trial
Altiner, A., Schäfer, I., Mellert, C., Löffler, C., Mortsiefer, A., Ernst, A., Stolzenbach, C-O., Wiese, B., Scherer, M., Bussche van den, H., Kaduszkiewicz, H. & Bussche van den, H., 01.01.2012, In: BMC FAM PRACT. 13, p. 118Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Epidemiological strategies for adapting clinical practice guidelines to the needs of multimorbid patients
Blozik, E., van den Bussche, H., Gurtner, F., Schäfer, I. & Scherer, M., 01.01.2013, In: BMC HEALTH SERV RES. 13, p. 352Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Impact of depression on health care utilization and costs among multimorbid patients--from the MultiCare Cohort Study
Bock, J-O., Luppa, M., Brettschneider, C., Riedel-Heller, S., Bickel, H., Fuchs, A., Gensichen, J., Maier, W., Mergenthal, K., Schäfer, I., Schön, G., Weyerer, S., Wiese, B., Bussche van den, H., Scherer, M. & König, H-H., 01.01.2014, In: PLOS ONE. 9, 3, p. e91973Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Experiences of patients with multimorbidity with primary care and the association with patient activation: a cross-sectional study in Germany
Breckner, A., Glassen, K., Schulze, J., Lühmann, D., Schäfer, I., Szecsenyi, J., Scherer, M. & Wensing, M., 08.08.2022, In: BMJ OPEN. 12, 8, p. e059100 e059100.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Relative impact of multimorbid chronic conditions on health-related quality of life--results from the MultiCare Cohort Study
Brettschneider, C., Leicht, H., Bickel, H., Dahlhaus, A., Fuchs, A., Gensichen, J., Maier, W., Riedel-Heller, S., Schäfer, I., Schön, G., Weyerer, S., Wiese, B., van den Bussche, H., Scherer, M., König, H-H. & MultiCare Study Group, 2013, In: PLOS ONE. 8, 6, p. e66742 6.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
A comparative study demonstrated that prevalence figures on multimorbidity require cautious interpretation when drawn from a single database
Bussche van den, H., Schäfer, I., Wiese, B., Dahlhaus, A., Fuchs, A., Gensichen, J., Höfels, S., Hansen, H., Leicht, H., Koller, D., Luppa, M., Nützel, A., Werle, J., Scherer, M., Wegscheider, K., Glaeske, G. & Schön, G., 2013, In: J CLIN EPIDEMIOL. 66, 2, p. 209-217 9 p., 2.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Which chronic diseases and disease combinations are specific to multimorbidity in the elderly? Results of a claims data based cross-sectional study in Germany.
Bussche van den, H., Koller, D., Kolonko, T., Hansen, H., Wegscheider, K., Glaeske, G., von Leitner, E-C., Schäfer, I. & Schön, G., 2011, In: BMC PUBLIC HEALTH. 11, p. 101Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Nimmt die Inanspruchnahme der vertragsärztlichen Versorgung durch Alter und Multimorbidität in der vertragsärtzlichen Krankenversicherung zu? Ergebnisse der Beobachtungsstudie MultiCare 2
Bussche van den, H., Koller, D., Schäfer, I., Hansen, H., Kaduszkiewicz, H., Glaeske, G., Wegscheider, K., Scherer, M. & Schön, G., 2011, In: Z GERONTOL GERIATR. 44, Suppl. 2, p. 80-89 Suppl. 2.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Multimorbidität in der älteren Bevölkerung – Teil 2: Inanspruchnahme der vertragsärztlichen Versorgung
Bussche van den, H., Schäfer, I., Koller, D., Hansen, H., Scherer, M., Wegscheider, K., Glaeske, G. & Schön, G., 2012, In: Z Allg Med. 88, 11, p. 455-460 11.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Multimorbidität in der älteren Bevölkerung – Teil 1: Prävalenz in der vertragsärztlichen Versorgung
Bussche van den, H., Schäfer, I., Koller, D., Hansen, H., von Leitner, E-C., Scherer, M., Wegscheider, K., Glaeske, G. & Schön, G., 2012, In: Z Allg Med. 88, 9, p. 365-371 9.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Overutilization of ambulatory medical care in the elderly German population? - An empirical study based on national insurance claims data and a review of foreign studies
Bussche van den, H., Kaduszkiewicz, H., Schäfer, I., Koller, D., Hansen, H., Scherer, M. & Schön, G., 14.04.2016, In: BMC HEALTH SERV RES. 16, 1, p. 129Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Cross-cultural validation of the German version of the Four-Dimensional Symptom Questionnaire (4DSQ) in multimorbid elderly people
Exner, A., Kleinstäuber, M., Maier, W., Fuchs, A., Petersen, J. J., Schäfer, I., Gensichen, J., Riedel-Heller, S. G., Weyerer, S., Bickel, H., König, H-H., Wiese, B., Schön, G., Scherer, M., van den Bussche, H. & Terluin, B., 10.2018, In: QUAL LIFE RES. 27, 10, p. 2691-2697 7 p.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Agreement between self-reported and general practitioner-reported chronic conditions among multimorbid patients in primary care - results of the MultiCare Cohort Study
Hansen, H., Schäfer, I., Schön, G., Riedel-Heller, S., Gensichen, J., Weyerer, S., Petersen, J. J., König, H-H., Bickel, H., Fuchs, A., Höfels, S., Wiese, B., Wegscheider, K., van den Bussche, H. & Scherer, M., 01.01.2014, In: BMC FAM PRACT. 15, p. 39Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Reasons for disagreement regarding illnesses between older patients with multimorbidity and their GPs - a qualitative study
Hansen, H., Pohontsch, N., Bussche van den, H., Scherer, M. & Schäfer, I., 01.01.2015, In: BMC FAM PRACT. 16, 1, p. 68Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Regional variations of perceived problems in ambulatory care from the perspective of general practitioners and their patients - an exploratory focus group study in urban and rural regions of northern Germany
Hansen, H., Pohontsch, N. J., Bole, L., Schäfer, I. & Scherer, M., 25.05.2017, In: BMC FAM PRACT. 18, 1, p. 68Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Regional and patient-related factors influencing the willingness to use general practitioners as coordinators of the treatment in northern Germany - results of a cross-sectional observational study
Hansen, H., Schäfer, I., Porzelt, S., Kazek, A., Lühmann, D. & Scherer, M., 17.06.2020, In: BMC FAM PRACT. 21, 1, p. 110Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Regional differences in the patient population of general practices in northern Germany: results of a mixed-methods study
Hansen, H., Schäfer, I., Pohontsch, N. J., Kazek, A., Hardt, H., Lühmann, D. & Scherer, M., 27.11.2020, In: BMJ OPEN. 10, 11, p. e041762Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Association between patient-related factors and avoided consultations due to fear of COVID-19 during the first lockdown in northern Germany: Results of a cross-sectional observational study
Hansen, H., Schäfer, I., Dröge, F., Menzel, A., Tajdar, D., Mayer-Runge, U., Lühmann, D. & Scherer, M., 05.2023, In: Z EVIDENZ FORTBILD Q. 178, p. 75-81 7 p.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Morbiditätsunterschiede bei Pflegebedürftigen in Abhängigkeit von Pflegesektor und Pflegestufe: Eine Untersuchung auf der Basis von Abrechnungsdaten der Gesetzlichen Krankenversicherung
Heinen, I., Bussche van den, H., Koller, D., Wiese, B., Hansen, H., Schäfer, I., Scherer, M., Schön, G. & Kaduszkiewicz, H., 2014, In: Z GERONTOL GERIATR. 48, 3, p. 237-245Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Herzinsuffizienz: Epidemiologie und Versorgung.
Kaduszkiewicz, H., Gerste, B., Eisele, M., Schäfer, I. & Scherer, M., 2014, Versorgungs-Report 2013/2014 Schwerpunkt: Depression. . Klauber, J., Günster, C., Gerste, B., Robra, B-P. & Schmacke, N. (eds.). Stuttgart: Schattauer, p. 209-229 21 p. 9. (Versorgungs-Report).Research output: SCORING: Contribution to book/anthology › SCORING: Contribution to collected editions/anthologies › Research › peer-review
Intended health care utilisation in cases of severe COVID-19 and inflammatory gastrointestinal disease – results of a population survey with vignettes
Klein, J., Strauß, A., Koens, S., Schäfer, I. & von dem Knesebeck, O., 31.03.2022, In: BMJ OPEN. 12, 3, p. e057644 e057644.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Public perceptions of urgency of severe cases of COVID-19 and inflammatory gastrointestinal disease
Koens, S., Strauß, A., Klein, J., Schäfer, I. & von dem Knesebeck, O., 2022, In: PLOS ONE. 17, 8, p. e0273000 e0273000.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Multimorbidity and long-term care dependency-a five-year follow-up
Koller, D., Schön, G., Schäfer, I., Glaeske, G., van den Bussche, H. & Hansen, H., 2014, In: BMC GERIATR. 14, p. 70Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Effects of multiple chronic conditions on health care costs: an analysis based on an advanced tree-based regression model.
König, H-H., Leicht, H., Bickel, H., Fuchs, A., Gensichen, J., Maier, W., Mergenthal, K., Riedel-Heller, S., Schäfer, I., Schön, G., Weyerer, S., Wiese, B., van den Bussche, H., Scherer, M., Eckardt, M. & MultiCare Study Group, 2013, In: BMC HEALTH SERV RES. 13, 1, p. 219 1.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Anticholinergic drug burden according to the anticholinergic drug scale and the German anticholinergic burden and their impact on cognitive function in multimorbid elderly German people: a multicentre observational study
Krüger, C., Schäfer, I., van den Bussche, H., Bickel, H., Fuchs, A., Gensichen, J., König, H-H., Maier, W., Mergenthal, K., Riedel-Heller, S. G., Schön, G., Weyerer, S., Wiese, B., von Renteln-Kruse, W., Langebrake, C. & Scherer, M., 23.03.2021, In: BMJ OPEN. 11, e044230.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Non-random relations in drug use expressed as patterns comprising prescription and over-the-counter drugs in multimorbid elderly patients in primary care: Data of the exploratory analysis of the multicentre, observational cohort study MultiCare
Krüger, C., Schäfer, I., Bussche van den, H., Baehr, M., Bickel, H., Fuchs, A., Gensichen, J., Maier, W., Riedel-Heller, S. G., König, H-H., Dahlhaus, A., Schön, G., Weyerer, S., Wiese, B., von Renteln-Kruse, W., Langebrake, C. & Scherer, M., 12.2021, In: EUR J GEN PRACT. 27, 1, p. 119-129 11 p.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Comparison of FORTA, PRISCUS and EU(7)-PIM lists on identifying potentially inappropriate medication and its impact on cognitive function in multimorbid elderly German people in primary care: a multicentre observational study
Krüger, C., Schäfer, I., van den Bussche, H., Bickel, H., Dreischulte, T., Fuchs, A., König, H-H., Maier, W., Mergenthal, K., Riedel-Heller, S. G., Schön, G., Weyerer, S., Wiese, B., von Renteln-Kruse, W., Langebrake, C. & Scherer, M., 17.09.2021, In: BMJ OPEN. 11, p. e050344Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
The moderating effects of social support and depressive symptoms on pain among elderly multimorbid patients-data from the multicentre, prospective, observational cohort study MultiCare
Mallon, T., Schäfer, I., Fuchs, A., Gensichen, J., Maier, W., Riedel-Heller, S., König, H-H., Mergenthal, K., Schön, G., Wegscheider, K., Weyerer, S., Wiese, B., van den Bussche, H. & Scherer, M., 04.2022, In: AGING MENT HEALTH. 26, 4, p. 803-809 7 p.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Effectiveness of a specialist palliative home care nurse–patient consultation followed by an interprofessional telephone case conference compared with usual care among patients with non-oncological palliative care needs: protocol for the multicentre KOPAL cluster-randomised controlled trial
Marx, G., Mallon, T., Pohontsch, N. J., Schade, F., Dams, J., Zimansky, M., Asendorf, T., Böttcher, S., Mueller, C. A., Freitag, M., Hummers, E., Bussche, H. V. D., Schäfer, I., König, H-H., Stiel, S., Schneider, N., Nauck, F., Friede, T. & Scherer, M., 25.07.2022, In: BMJ OPEN. 12, 7, p. e059440 e059440.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Satisfaction with general practice care in German patients with multimorbidity: a cross-sectional study
Mortsiefer, A., Altiner, A., Ernst, A., Kadusziewicz, H., Krahe, A., Mellert, C., Schäfer, I., Stolzenbach, C-O., Wiese, B. & Löffler, C., 01.08.2017, In: FAM PRACT. 34, 4, p. 452-458Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Development of a meta-algorithm for guiding primary care encounters for patients with multimorbidity using evidence-based and case-based guideline development methodology
Muche-Borowski, C., Lühmann, D., Schäfer, I., Mundt, R., Wagner, H-O., Scherer, M. & Guideline Group of the German College of General Practice and Family Medicine (DEGAM), 22.06.2017, In: BMJ OPEN. 7, 6, p. e015478Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Chronisch Kranke in deutschen Notaufnahmen: Querschnittsanalysen zu Konsultationsanlässen, Gründen für die Inanspruchnahme und Entlassungsdiagnosen
Muche-Borowski, C., Boczor, S., Schäfer, I., Kazek, A., Hansen, H., Oltrogge, J. H., Giese, S., Lühmann, D. & Scherer, M., 2019, In: BUNDESGESUNDHEITSBLA. 62, p. 1103-1112Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Bewohnerbeteiligung
Nickel, S., Wolf, K., Schäfer, I., Süß, W. & Trojan, A., 2013, Quartiersbezogene Gesundheitsförderung: Umsetzung und Evaluation eines integrierten lebensweltbezogenen Handlungsansatzes. Trojan, A., Süß, W., Lorentz, C., Nickel, S. & Wolf, K. (eds.). 1 ed. Weinheim/Basel: Beltz Juventa, p. 280-294 15 p.Research output: SCORING: Contribution to book/anthology › SCORING: Contribution to collected editions/anthologies › Research › peer-review
Self-rated health in multimorbid older general practice patients: a cross-sectional study in Germany
Nützel, A., Dahlhaus, A., Fuchs, A., Gensichen, J., König, H-H., Riedel-Heller, S., Maier, W., Schäfer, I., Schön, G., Weyerer, S., Wiese, B., Scherer, M., Bussche van den, H. & Bickel, H., 01.01.2014, In: BMC FAM PRACT. 15, p. 1Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Episodes of care in a primary care walk-in clinic at a refugee camp in Germany – a retrospective data analysis
Oltrogge-Abiry, J. H., Schäfer, I., Schlichting, D., Jahnke, M., Rakebrandt, A., Pruskil, S., Wagner, H-O., Lühmann, D. & Scherer, M., 21.09.2020, In: BMC FAM PRACT. 21, 1, p. 193 21.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
General practitioners' perception of being a doctor in urban vs. rural regions in Germany - A focus group study
Pohontsch, N. J., Hansen, H., Schäfer, I. & Scherer, M., 27.03.2018, In: FAM PRACT. 35, 2, p. 209-215 7 p.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
A novel superior medication-based chronic disease score predicted all-cause mortality in independent geriatric cohorts
Quinzler, R., Freitag, M. H., Wiese, B., Beyer, M., Brenner, H., Dahlhaus, A., Döring, A., Freund, T., Heier, M., Knopf, H., Luppa, M., Prokein, J., Riedel-Heller, S., Schäfer, I., Scheidt-Nave, C., Scherer, M., Schöttker, B., Szecsenyi, J., Thürmann, P., van den Bussche, H., Gensichen, J. & Haefeli, W. E., 01.2019, In: J CLIN EPIDEMIOL. 105, p. 112-124 13 p.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Does multimorbidity influence the occurrence rates of chronic conditions? A claims data based comparison of expected and observed prevalence rates.
Schäfer, I., 2012, In: PLOS ONE. 7, 9, p. 45390 9.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
The German MultiCare-study: Patterns of multimorbidity in primary health care - protocol of a prospective cohort study.
Schäfer, I., Hansen, H., Schön, G., Maier, W., Höfels, S., Altiner, A., Fuchs, A., Gerlach, F. M., Petersen, J. J., Gensichen, J., Schulz, S., Riedel-Heller, S., Luppa, M., Weyerer, S., Werle, J., Bickel, H., Barth, K., König, H-H., Rudolph, A., Wiese, B., Prokein, J., Bullinger, M., von dem Knesebeck, O., Eisele, M., Kaduszkiewicz, H., Wegscheider, K. & Bussche van den, H., 2009, In: BMC HEALTH SERV RES. 9, p. 145Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Multimorbidity patterns in the elderly: a new approach of disease clustering identifies complex interrelations between chronic conditions.
Schäfer, I., von Leitner, E-C., Schön, G., Koller, D., Hansen, H., Kolonko, T., Kaduszkiewicz, H., Wegscheider, K., Glaeske, G. & Bussche van den, H., 2010, In: PLOS ONE. 5, 12, p. 15941 12.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Welche chronischen Krankheiten und Morbiditätsmuster charakterisieren die ältere multimorbide Population in der Hausarztpraxis? Erste Ergebnisse der prospektiven Beobachtungsstudie MultiCare 1
Schäfer, I., Hansen, H., von dem Knesebeck, O., König, H-H., Schön, G., Wiese, B., Abholz, H-H., Bickel, H., Bullinger, M., Gensichen, J., Gerlach, F., Maier, W., Riedel-Heller, S., Weyerer, S., Kaduszkiewicz, H., Wegscheider, K., Scherer, M. & Bussche van den, H., 2011, In: Z GERONTOL GERIATR. 44, Suppl. 2, p. 76-80 Suppl. 2.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
The influence of age, gender and socio-economic status on multimorbidity patterns in primary care. First results from the multicare cohort study.
Schäfer, I., Hansen, H., Schön, G., Höfels, S., Altiner, A., Dahlhaus, A., Gensichen, J., Riedel-Heller, S., Weyerer, S., Blank, W. A., König, H-H., von dem Knesebeck, O., Wegscheider, K., Scherer, M., Bussche van den, H. & Wiese, B., 2012, In: BMC HEALTH SERV RES. 12, p. 89Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Selection effects may account for better outcomes of the German Disease Management Program for type 2 diabetes.
Schäfer, I., Küver, C., Gedrose, B., von Leitner, E-C., Treszl, A., Wegscheider, K., Bussche van den, H. & Kaduszkiewicz, H., 2010, In: BMC HEALTH SERV RES. 10, p. 351Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
The disease management program for type 2 diabetes in Germany enhances process quality of diabetes care - a follow-up survey of patient's experiences.
Schäfer, I., Küver, C., Gedrose, B., Hoffmann, F., Russ-Thiel, B., Brose, H-P., Bussche van den, H. & Kaduszkiewicz, H., 2010, In: BMC HEALTH SERV RES. 10, p. 55Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Strategies for improving participation in diabetes education. A qualitative study
Schäfer, I., Pawels, M., Küver, C., Pohontsch, N. J., Scherer, M., van den Bussche, H. & Kaduszkiewicz, H., 01.01.2014, In: PLOS ONE. 9, 4, p. e95035Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Identifying groups of nonparticipants in type 2 diabetes mellitus education
Schäfer, I., Küver, C., Wiese, B., Pawels, M., van den Bussche, H. & Kaduszkiewicz, H., 01.06.2013, In: AM J MANAG CARE. 19, 6, p. 499-506 8 p.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Reducing complexity a visualisation of multimorbidity by combining disease clusters and triads
Schäfer, I., Kaduszkiewicz, H., Wagner, H-O., Schön, G., Scherer, M. & van den Bussche, H., 2014, In: BMC PUBLIC HEALTH. 14, p. 1285Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Soziale Ungleichheit von Multimorbidität im höheren Lebensalter
Schäfer, I., 22.09.2014, 189 p.Research output: Book/anthology › Dissertations › Research
Regional variation of patient behaviour and reasons for consultation in the general practice of Northern Germany: protocol for an observational study
Schäfer, I., Hansen, H., Pohontsch, N. J., Bole, L., Wagner, H-O., Führ, M., Lühmann, D. & Scherer, M., 29.06.2016, In: BMJ OPEN. 6, 6, p. e010738Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
Narrative medicine-based intervention in primary care to reduce polypharmacy: results from the cluster-randomised controlled trial MultiCare AGENDA
Schäfer, I., Kaduszkiewicz, H., Mellert, C., Löffler, C., Mortsiefer, A., Ernst, A., Stolzenbach, C-O., Wiese, B., Abholz, H-H., Scherer, M., van den Bussche, H. & Altiner, A., 23.01.2018, In: BMJ OPEN. 8, 1, p. e017653Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review