Intensive Lifestyle Interventions to Overweight and Obese Patients in Primary Care

The goal of this clinical trial is to compare in the effect of different lifestyle interventions in overweight and obese participants. The main questions it aims to answer are: * effect on anthropometric measurements * effect on lipid profile * effect on weight-related quality of life * observe the differences between interventions The study participants were stratified into three groups: intervention, control-1, and control-2. * Intervention group: They were given a calorie-restricted diet and exercise plan by a dietician or physiotherapist at their first visit, and were followed up by telephone calls at weeks 2, 4, 6, 8 and 10 over 12 weeks. * Control-1 group: During the initial medical interview, the participants were given a calorie-restricted diet programme by a dietician and an exercise programme by a physiotherapist; they were followed up over 12 weeks with telephone calls at week 4. * Control-2 group: The participants were not provided with any programme, and the importance of weight loss was emphasised by the family physicians. Dietary and physical activity advice was given according to the recommendations in the Turkish Endocrine and Metabolism Association 2019 Obesity Diagnosis and Treatment Guide, and was followed up with phone calls at weeks 2, 4, 6, 8 and 10 over a 12-weeks.