Rozemarijn Witkam

University of Liverpool — United Kingdom

Medicine · Health Sciences

6h-index129citations22works3.02yr avg
OpenAlex↗ORCID↗Google Scholar↗Lab page↗

Accepting Students?

No reports yet. Know if this professor is taking students?

Research Topics

Obesity, Physical Activity, Diet(8), Consumer Attitudes and Food Labeling(8), Osteoarthritis Treatment and Mechanisms(4), Rheumatoid Arthritis Research and Therapies(3), Eating Disorders and Behaviors(3)

Publications22 total

Salt warning labels in the out-of-home food sector: online and real-world randomised controlled trials in the UK
The Lancet Public Health·2025· 2 citedOpen Access
Socioeconomic position and the effectiveness of price changes based on healthier and less healthy food on food selection in a simulated out of home food delivery app: a randomised controlled trial
Appetite·2025
Salt warning labels as a public health policy in the out-of-home food sector: online and real-world randomised controlled trials
Appetite·2025
The effect of healthier menu item price reductions in the out-of-home food sector on energy purchased and consumed: a restaurant-based pilot experiment
BMC Public Health·2025· 2 citedOpen Access
Salt warning labels in the out-of-home food sector: online and real-world randomised controlled trials
2025Open Access
Exercise and Diet in People with Inflammatory Arthritis and Osteoarthritis
Lifestyle Medicine·2025Open Access
The effect of a price reduction intervention on healthier menu items in the out-of-home food sector on energy purchased and consumed: a restaurant-based pilot experiment
2024Open Access
Evaluating the association between the introduction of mandatory calorie labelling and energy consumed using observational data from the out-of-home food sector in England
Nature Human Behaviour·2024· 22 citedOpen Access
The effect of a price reduction intervention on healthier menu items in the out-of-home food sector on energy purchased and consumed: a restaurant-based pilot experiment
2024Open Access
Does menu calorie labelling cause or exacerbate eating disorders?
International Journal of Obesity·2024· 1 citedOpen Access
Evaluating the effect of mandatory kilocalorie labelling on energy consumed in the out-of-home food sector: a pre vs. post-implementation observational study in England
2024· 6 citedOpen Access
The impact of calorie labelling and proportional pricing on out of home food orders: a randomised controlled trial study using a virtual food and drink delivery app
International Journal of Behavioral Nutrition and Physical Activity·2023· 21 citedOpen Access
The impact of calorie labelling and proportional pricing on food and drink orders through a mock delivery app
Appetite·2023
Socioeconomic position and the effectiveness of a calorie-based pricing nutrition intervention in a restaurant setting: a study protocol
Appetite·2023
The association between lower socioeconomic position and functional limitations is partially mediated by obesity in older adults with symptomatic knee osteoarthritis: Findings from the English Longitudinal Study of Ageing
Frontiers in Public Health·2022· 6 citedOpen Access
The Associations between Socioeconomic Position, Obesity and the Development and Progression of Arthritis
Research Explorer (The University of Manchester)·2022
Is the relationship between deprivation and outcomes in rheumatoid arthritis mediated by body mass index? A longitudinal cohort study
Lara D. Veeken·2022· 6 citedOpen Access
Does body mass index mediate the relationship between socioeconomic position and incident osteoarthritis?
Seminars in Arthritis and Rheumatism·2022· 8 citedOpen Access
POS0325 THE ASSOCIATION BETWEEN OBESITY, SOCIOECONOMIC POSITION AND KNEE JOINT REPLACEMENT SURGERY IN PATIENTS WITH OSTEOARTHRITIS: RESULTS FROM THE ENGLISH LONGITUDINAL STUDY OF AGEING
Annals of the Rheumatic Diseases·2022Open Access
OP21 Comparing associations of total and central obesity with incident arthritis: results from the English longitudinal study of ageing
SSM Annual Scientific Meeting·2021Open Access
page 1 of 2Next →

Frequent Co-authors

Eric Robinson(13), Jane Brealey(10), Amy Finlay(7), James M. Gwinnutt(6), Suzanne Verstappen(6), Jennifer Humphreys(5), Rachel Cooper(4), Andrew Jones(4), Rebecca Evans(4), Andrew Jones(4), Megan Polden(3), I Gusti Ngurah Edi Putra(3), Rebecca Latham(3), Andrew Jones(3), Natasha Clarke(3), Jennifer Falbe(3), Paula Thorp(3), Jean Adams(2), Tom Bishop(2), Thomas Burgoine(2)