The project aims to investigate the effect of internet-based dietetic treatment (IDT) on patients, dietitians, and society. The project will show: * If IDT is equivalent to traditional dietetic treatment with physical meetings * Patients' attitudes to, and experiences of, meeting a dietician through video calls * How the dietician's work environment and working methods are affected by IDT * If there are subgroups of patients where IDT is more or less appropriate * Health economic and environmental consequences of IDT The major shortage of dietitians leaves patients with non-communicable diseases (NCD) without qualified dietary treatment. In a pilot study, the investigators have shown that IDT has great potential to streamline healthcare and increase accessibility. In the project Dietitian online, the investigators will conduct an RCT with 400 NCD-patients allocated to either IDT or standard dietetic treatment to see if IDT affect treatment outcome and whether IDT is appropriate for everyone. Even though internet-based treatment (IT) increases rapidly in society, there is little knowledge about the patients' experiences and how healthcare personnel incorporates IT in their daily work. The investigators will conduct qualitative studies to meet this knowledge gap. General assumptions are that IT is beneficial for society, both economically and environmentally, but very few studies have been done. The project will incorporate a full health-economic evaluation, including environmental impact.
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Change in dietary intake
Timeframe: Change from baseline to three, six and twelve months after first treatment session