Epidemiology/Health services research Undiagnosed diabetes based on HbA1c by socioeconomic status and healthcare consumption in the Tromsø Study 1994–2016 http://orcid.org/0000-0002-3404-2060Paz Lopez-Doriga Ruiz1,2, Laila Arnesdatter Hopstock3,4, Anne Elise Eggen3, Inger Njølstad3, Guri Grimnes5,6, Lars C Stene1, Hanne L Gulseth1 1Department of Chronic Diseases and Ageing, Norwegian Institute of Public Health, Oslo, Norway 2Department of Endocrinology, Morbid Obesity and Preventive Medicine,...