Lennarth Nyström

Associate Professor in epidemiology, Senior consultant.

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Affiliated as other position at Department of Epidemiology and Global Health

5B, Målpunkt P, Försörjningsvägen 7 B, Norrlands universitetssjukhus Epidemiologi och global hälsa, Umeå Universitet, 90185 Umeå

Associate Professor in epidemiology, Senior consultant. Research focus on evaluation of the effectiveness of mammography screening in Sweden, effectiveness of treatment of hypertension in Västerbotten and efficacy of health coaching to promote healthier lifestyle among older people at moderate risk of cardiovascular disease, diabetes and depression in Sweden. Other research includes medical adherence to endocrine treatment for breast cancer in Sweden, epidemiological studies of hip fractures and hip arthroplasty in Umeå and interventions to increase the use of vacuum extraction in the university hospital in Dar es Salaam.

Adherence to adjuvant endocrine therapy after breast cancer in Sweden - a nationwide cohort study in 1-, 3- and 5-year survivors with a focus on regional differences

Acta Oncologica, Uppsala: MJS Publishing, Medical Journals Sweden AB 2024, Vol. 63 : 901-908

De Jong, Anna; Von Wachenfeldt, Anna; Nyström, Lennarth; et al.

Age-specific differences in breast cancer treatment between screen-detected and non-screen-detected breast cancers in women aged 40-74 years at diagnosis in Sweden 2008-2017

Acta Oncologica, Medical Journals Sweden 2024, Vol. 63 : 552-556

Jonsson, Håkan; Andersson, Anne; Mao, Zheng; et al.

Age-specific differences in tumour characteristics between screen-detected and non-screen-detected breast cancers in women aged 40–74 at diagnosis in Sweden from 2008 to 2017

Journal of Medical Screening, Sage Publications 2024, Vol. 31, (4) : 248-257

Jonsson, Håkan; Andersson, Anne; Mao, Zheng; et al.

Incompleteness and misclassification of maternal deaths in Zimbabwe: data from two reproductive age mortality surveys, 2007–2008 and 2018–2019

Journal of Epidemiology and Global Health

Musarandega, Reuben; Nyström, Lennarth; Murewanhema, Grant; et al.

Association of education and feedback on hypertension management with risk for stroke and cardiovascular disease

Blood Pressure, Taylor & Francis Group 2022, Vol. 31, (1) : 31-39

Brunström, Mattias; Ng, Nawi; Dahlström, John; et al.

Reduction in Lifetime Fertility Through MNCS in Rural Bangladesh

Asia-Pacific Journal of Rural Development, Vol. 31, (2) : 149-171

Gani, M. Showkat; Ullah, A. K. M. Ahsan; Subramaniam, Thirunaukarasu; et al.

Maternal mortality decline in Zimbabwe, 2007/2008 to 2018/2019: findings from mortality surveys using civil registration, vital statistics and health system data

BMJ Global Health, BMJ Publishing Group Ltd 2022, Vol. 7, (8)

Musarandega, Reuben; Cresswell, Jenny; Magwali, Thulani; et al.

Changes in causes of pregnancy-related and maternal mortality in Zimbabwe 2007-08 to 2018-19: findings from two reproductive age mortality surveys

BMC Public Health, BioMed Central 2022, Vol. 22, (1)

Musarandega, Reuben; Ngwenya, Solwayo; Murewanhema, Grant; et al.

Recommendations from the European Commission Initiative on Breast Cancer for multigene testing to guide the use of adjuvant chemotherapy in patients with early breast cancer, hormone receptor positive, HER-2 negative

British Journal of Cancer, Springer 2021, Vol. 124, (9) : 1503-1512

Giorgi Rossi, Paolo; Lebeau, Annette; Canelo-Aybar, Carlos; et al.

Breast cancer screening with mammography in women aged 40-49 years: impact of length of screening interval on effectiveness of the program

Journal of Medical Screening, Sage Publications 2021, Vol. 28, (2) : 200-206

Mao, Zheng; Nyström, Lennarth; Jonsson, Håkan

Development and use of health outcome descriptors: a guideline development case study

Health and Quality of Life Outcomes, BioMed Central 2020, Vol. 18, (1)

Baldeh, Tejan; Saz-Parkinson, Zuleika; Muti, Paola; et al.

Association of Physician Education and Feedback on Hypertension Management With Patient Blood Pressure and Hypertension Control

JAMA Network Open, American Medical Association 2020, Vol. 3, (1)

Brunström, Mattias; Ng, Nawi; Dahlström, John; et al.

Effectiveness of Population-Based Service Screening with Mammography for Women Aged 70-74 Years in Sweden

Cancer Epidemiology, Biomarkers and Prevention, American Association for Cancer Research (AACR) 2020, Vol. 29, (11) : 2149-2156

Mao, Zheng; Nyström, Lennarth; Jonsson, Håkan

Monitoring and evaluation of breast cancer screening programmes: selecting candidate performance indicators

BMC Cancer, BioMed Central 2020, Vol. 20, (1)

Muratov, Sergei; Canelo-Aybar, Carlos; Tarride, Jean-Eric; et al.

Breast Cancer Screening and Diagnosis: A Synopsis of the European Breast Guidelines

Annals of Internal Medicine, Amer Coll Physicians 2020, Vol. 172, (1) : 46-56

Schunemann, Holger J.; Lerda, Donata; Quinn, Cecily; et al.

Adherence to adjuvant endocrine therapy after breast cancer in Sweden 2008-2010: a nationwide survey

American Society of Clinical Oncology 2019

Andersson, Anne; von Wachenfeldt Väppling, Anna; de Jong, Anna; et al.

Flawed conclusions on the Vasterbotten Intervention Program by San Sebastian et .al

BMC Public Health, Vol. 19, (1)

Blomstedt, Yulia; Norberg, Margareta; Ng, Nawi; et al.

Use of a criteria-based audit to optimize uptake of cesarean delivery in a low-resource setting

International Journal of Gynecology & Obstetrics, Wiley-Blackwell 2019, Vol. 144, (2) : 199-209

Mgaya, Andrew H.; Kidanto, Hussein L.; Nyström, Lennarth; et al.

Association between changes in waist circumferences and disability among older adults: WHO-INDEPTH study on global ageing and adult health (SAGE) in Indonesia

Obesity Research and Clinical Practice, Elsevier 2019, Vol. 13, (5) : 462-468

Pujilestari, Cahya Utamie; Nyström, Lennarth; Norberg, Margareta; et al.

Waist circumference and all-cause mortality among older adults in rural Indonesia

International Journal of Environmental Research and Public Health, MDPI 2019, Vol. 16

Pujilestari, Cahya Utamie; Nyström, Lennarth; Norberg, Margareta; et al.

Methods for Development of the European Commission Initiative on Breast Cancer Guidelines Recommendations in the Era of Guideline Transparency

Annals of Internal Medicine, American College of Physicians 2019, Vol. 171, (4) : 273-280

Schunemann, Holger J.; Lerda, Donata; Dimitrova, Nadya; et al.

Overdiagnosis in the population-based organized breast cancer screening program estimated by a non-homogeneous multi-state model: a cohort study using individual data with long-term follow-up

Breast Cancer Research, BioMed Central 2018, Vol. 20

Wu, Wendy Yi-Ying; Törnberg, Sven; Elfström, Klara Miriam; et al.

Estimation of overdiagnosis in breast cancer screening using a non-homogeneous multi-state model: a simulation study

Journal of Medical Screening, Sage Publications 2018, Vol. 25, (4) : 183-190

Wu, Wendy Y-Y; Nyström, Lennarth; Jonsson, Håkan

Reduced breast cancer mortality after 20+years of follow-up in the Swedish randomized controlled mammography trials in Malmo, Stockholm, and Goteborg

Journal of Medical Screening, Vol. 24, (1) : 34-42

Nyström, Lennarth; Bjurstam, Nils; Jonsson, Håkan; et al.

Orphanhood and mistreatment drive children to leave home: A study from early AIDS-affected Kagera region, Tanzania

International Social Work, Vol. 60, (5) : 1218-1232

Olsson, Jeanette; Hojer, Staffan; Nyström, Lennarth; et al.

Socioeconomic inequality in abdominal obesity among older people in Purworejo District, Central Java, Indonesia: a decomposition analysis approach

International Journal for Equity in Health, Vol. 16, (1)

Pujilestari, Cahya Utamie; Nyström, Lennarth; Norberg, Margareta; et al.

Overweight, hyperglycemia and tobacco use are modifiable risk factors for onset of retinopathy 9 and 17 years after the diagnosis of diabetes: a retrospective observational nation-wide cohort study

Diabetes Research and Clinical Practice, Elsevier 2017, Vol. 133 : 21-29

Tyrberg, M.; Nyström, Lennarth; Arnqvist, H. J.; et al.

From efficacy in trials to effectiveness in clinical practice: The Swedish Stroke Prevention Study

Blood Pressure, Vol. 25, (4) : 206-211

Brunström, Mattias; Dahlström, John; Lindholm, Lars Hjalmar; et al.

Reference curves of birth weight, length, and head circumference for gestational ages in Yogyakarta, Indonesia

BMC Pediatrics, Vol. 16

Haksari, Ekawaty L.; Lafeber, Harrie N.; Hakimi, Mohammad; et al.

The effects of previous cesarean deliveries on severe maternal and adverse perinatal outcomes at a university hospital in Tanzania

International Journal of Gynecology & Obstetrics, Vol. 133, (2) : 183-187

Litorp, Helena; Roost, Mattias; Kidanto, Hussein L.; et al.

Improving Standards of Care in Obstructed Labour: A Criteria-Based Audit at a Referral Hospital in a Low-Resource Setting in Tanzania

PLOS ONE, Public library science 2016, Vol. 11, (11)

Mgaya, Andrew H.; Kidanto, Hussein L.; Nyström, Lennarth; et al.

Criteria-based audit to improve quality of care of foetal distress: standardising obstetric care at a national referral hospital in a low resource setting, Tanzania

BMC Pregnancy and Childbirth, Vol. 16

Mgaya, Andrew H; Litorp, Helena; Kidanto, Hussein L; et al.

Gestational diabetes: Glycaemic predictors for fetal macrosomia and maternal risk of future diabetes

Diabetes Research and Clinical Practice, Vol. 114 : 99-105

Wahlberg, Jeanette; Ekman, Bertil; Nyström, Lennarth; et al.

Impact of a combined community and primary care prevention strategy on all-cause and cardiovascular mortality: a cohort analysis based on 1 million person-years of follow-up in Västerbotten County, Sweden, during 1990-2006

BMJ Open, BMJ Publishing Group Ltd 2015, Vol. 5, (12)

Blomstedt, Yulia; Norberg, Margareta; Stenlund, Hans; et al.

Effectiveness of population-based service screening with mammography for women ages 40 to 49 years with a high or low risk of breast cancer: socioeconomic status, parity, and age at birth of first child

Cancer, Vol. 121, (2) : 251-258

Numan Hellquist, Barbro; Czene, Kamila; Hjälm, Anna; et al.

The Swedish randomised controlled trial on mammography screening has been properly designed, conducted and analysed

Journal of the Royal Society of Medicine, Sage Publications 2015, Vol. 108, (11) : 429-430

Nyström, Lennarth

The risk for diabetic nephropathy is low in young adults in a 17-year follow-up of the Diabetes Incidence Study in Sweden (DISS): Higher age and BMI at diabetes onset can be important risk factors

Diabetes/Metabolism Research Reviews, John Wiley & Sons 2015, Vol. 31, (2) : 138-146

Svensson, MK; Tyrberg, M; Nyström, Lennarth; et al.

Access to social capital and risk of HIV infectionin Bukoba urban district, Kagera region, Tanzania

Archives of Public Health, BioMed Central 2014, Vol. 72, (38) : 1-11

Frumence, Gasto; Emmelin, Maria; Eriksson, Malin; et al.

Urban-Rural and Socioeconomic Variations in the Knowledge of STIs and AIDS Among Bangladeshi Adolescents

Asia-Pacific Journal of Public Health, Vol. 26, (2) : 182-195

Gani, M. Showkat; Chowdhury, A. Mushtaque R.; Nyström, Lennarth

Urban-rural and socioeconomic variations in lifetime prevalence of symptoms of sexually transmitted infections among Bangladeshi adolescents

Asia Pacific Family Medicine, BioMed Central (BMC) 2014, Vol. 13, (1)

Gani, Mohammad Showkat; Chowdhury, Ahmed Mushtaque Raza; Nyström, Lennarth

Health-care workers’ attitudes and perceptions of intimate partner violence against women in Tanzania

African journal of midwifery and women's health, Mark Allen group 2014, Vol. 8, (1) : 28-35

Laisser, Rose; Nyström, Lennarth; Emmelin, Maria

Maternal near-miss and death and their association with caesarean section complications: a cross-sectional study at a university hospital and a regional hospital in Tanzania

BMC Pregnancy and Childbirth, BioMed Central 2014, Vol. 14, (1) : 244-

Litorp, Helena; Kidanto, Hussein L; Rööst, Mattias; et al.

The incidence of diabetes among 0-34 year olds in Sweden: new data and better methods.

Diabetologia, Vol. 57, (7) : 1375-1381

Rawshani, Araz; Landin-Olsson, Mona; Svensson, Ann-Marie; et al.

Assessment of beta-cell function in young patients with type 2 diabetes: arginine-stimulated insulin secretion may reflect beta-cell reserve

Journal of Internal Medicine, Wiley-Blackwell 2014, Vol. 275, (1) : 39-48

Sjöstrand, M.; Carlson, K.; Arnqvist, H. J.; et al.

Home visits to improve breast health knowledge and screening practices in a less privileged area in Jordan

BMC Public Health, BioMed Central 2014, Vol. 14

Taha, Hana; Nyström, Lennarth; Al-Qutob, Raeda; et al.

Worse glycaemic control in LADA patients than in those with type 2 diabetes, despite a longer time on insulin therapy

Diabetologia, Vol. 56, (2) : 252-258

Andersen, C. D.; Bennet, L.; Nyström, Lennarth; et al.

"How Can I Gain Skills if I Don't Practice?'' The Dynamics of Prohibitive Silence against Pre-Marital Pregnancy and Sex in Zimbabwe

PLOS ONE, Vol. 8, (1) : e53058-

Chikovore, Jeremiah; Nyström, Lennarth; Lindmark, Gunilla; et al.

Parents’ Experiences of Reporting Child Sexual Abuse in Urban Tanzania

Journal of Child Sexual Abuse, Vol. 22, (5) : 481-498

Kisanga, Felix; Nyström, Lennarth; Hogan, Nora; et al.

Increasing caesarean section rates among low-risk groups: a panel study classifying deliveries according to Robson at a university hospital in Tanzania

BMC Pregnancy and Childbirth, BioMed Central 2013, Vol. 13 : Article nr 107-

Litorp, Helena; Kidanto, Hussein L.; Nyström, Lennarth; et al.

The impact of prenatal vitamin A and zinc supplementation on birth size and neonatal survival: a double-blind, randomized controlled trial in a rural area of Indonesia

International Journal for Vitamin and Nutrition Research, Vol. 83, (1) : 14-25

Prawirohartono, Endy P; Nyström, Lennarth; Nurdiati, DS; et al.

View publications in DiVA

Research groups

Group member

Håkan Jonsson lab