Obesity / Uganda / Physical Activity / Diet / Ghana / Developing Countries / Adolescent / Multidisciplinary / Overweight / Humans / Smoking / Environmental public health / Female / Male / Loneliness / Nutritional Status / Body Mass Index / Prevalence / Motor activity / Socioeconomic Factors / Developing Countries / Adolescent / Multidisciplinary / Overweight / Humans / Smoking / Environmental public health / Female / Male / Loneliness / Nutritional Status / Body Mass Index / Prevalence / Motor activity / Socioeconomic Factors