Ingmar Schäfer

graph of relations

Publications

  1. 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. 118

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  2. 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. 352

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  3. 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. e91973

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  4. 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 journalSCORING: Journal articleResearchpeer-review

  5. 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 journalSCORING: Journal articleResearchpeer-review

  6. 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 journalSCORING: Journal articleResearchpeer-review

  7. 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. 101

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  8. 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 journalSCORING: Journal articleResearchpeer-review

  9. 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 journalSCORING: Journal articleResearchpeer-review

  10. 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 journalSCORING: Journal articleResearchpeer-review

  11. 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. 129

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  12. 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 journalSCORING: Journal articleResearchpeer-review

  13. 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. 39

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  14. 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. 68

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  15. 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. e041762

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  16. 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 journalSCORING: Journal articleResearchpeer-review

  17. 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. 237-245

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  18. 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/anthologySCORING: Contribution to collected editions/anthologiesResearchpeer-review

  19. 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 journalSCORING: Journal articleResearchpeer-review

  20. 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 journalSCORING: Journal articleResearchpeer-review

  21. 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. 70

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  22. 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 journalSCORING: Journal articleResearchpeer-review

  23. 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 journalSCORING: Journal articleResearchpeer-review

  24. 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 journalSCORING: Journal articleResearchpeer-review

  25. 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. e050344

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  26. 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 journalSCORING: Journal articleResearchpeer-review

  27. 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 journalSCORING: Journal articleResearchpeer-review

  28. 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. 452-458

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  29. 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. e015478

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  30. 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/anthologySCORING: Contribution to collected editions/anthologiesResearchpeer-review

  31. 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. 1

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  32. 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 journalSCORING: Journal articleResearchpeer-review

  33. 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 journalSCORING: Journal articleResearchpeer-review

  34. 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 journalSCORING: Journal articleResearchpeer-review

  35. 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 journalSCORING: Journal articleResearchpeer-review

  36. 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. 145

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  37. 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 journalSCORING: Journal articleResearchpeer-review

  38. 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 journalSCORING: Journal articleResearchpeer-review

  39. 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. 89

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  40. 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. 351

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  41. 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. 55

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  42. 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. e95035

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  43. 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 journalSCORING: Journal articleResearchpeer-review

  44. 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. 1285

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  45. Soziale Ungleichheit von Multimorbidität im höheren Lebensalter

    Schäfer, I., 22.09.2014, 189 p.

    Research output: Book/anthologyDissertationsResearch

  46. 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. e010738

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

  47. 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. e017653

    Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

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