![]() ![]() Additionally, physically active adolescents have more negative attitudes to tobacco smoking and alcohol consumption than their peers (Diet and physical activity: a public health priority 2004). According to WHO, the recommended global PA level for children and adolescents aged 5–17 years is at least 60 min of moderate to vigorous PA per day for maintaining healthy body weight, healthy musculoskeletal tissue and improving the cardiorespiratory system (Global recommendations on physical activity for health 2010). 2010), while this period of life is the best time for adoption of physical activity (PA) behaviour (Paudel et al. Some studies have shown that behavioural risk factors associated with NCDs, such as lack of exercise, persist from adolescence into adulthood (Veltsista et al. Almost all of these risk factors are related to physical activity (PA) and diet, and these play an important role in preventing disease and maintaining health (Global Strategy on Diet, Physical Activity and Health 2004).Īdolescence is a critical period in life and has an important role in the formation of behavioural and nutritional habits. Physical inactivity, unhealthy diet, tobacco use and harmful alcohol drinking are related to high blood pressure, obesity, hyperlipidaemia and high blood glucose, which increase the risk of NCDs (Global status report on non-communicable diseases 2014). By simple life-style changes many of the deaths from these diseases could be prevented. Cardiovascular disease, diabetes, cancer and chronic respiratory ailments are known as NCDs or lifestyle-related diseases. For instance, in the Eastern Mediterranean Region (EMRO) NCDs are the leading cause of death and each year 1.7 million people lose their lives (WHO 2011). Developing countries suffer the highest burden of NCDs. Interventions that address the issue of active school transport, sedentary behaviour, fruit and vegetable intake, family and peer support and bullying should be given more priority by the public health authorities.Īccording to data from the World Health Organization (WHO), non-communicable diseases (NCDs) will be responsible for the deaths of 52 million people globally by 2030. The prevalence of physical inactivity and sedentary behaviour was high in our studied sample. Walking/cycling to or from school on 1–4 days, being physically inactive, inadequate fruit intake and being bullied were positively associated with sedentary behaviour. On the other hand, walking/cycling to or from school on 5–7 days and inadequate fruit intake were negatively associated with physical inactivity. ![]() Being female, being overweight or obese, walking/cycling to or from school on 1–4 days, sitting 3 or more hours/day (sedentary behaviour), insufficient vegetable intake, being bullied and lack of parental support, peer support and parental connectivity (protective factors) were positively associated with physical inactivity. The prevalence of recommended physical activity by WHO was 27.8%, physical inactivity 72.2% and sedentary behaviour 71.4%. gender) and the dependent outcome variable (physical inactivity/sedentary behaviour). Multivariate logistic regression was used to assess the association between relevant independent variables (e.g. Related data comprising socio-demographics, health risk behaviour and protective factors were obtained from 1517 high school students. The Global School-based Student Health Survey (GSHS) was used for data collection. The aim of the present study was to report the prevalence and correlates of physical activity/inactivity and sedentary behaviour among Iranian high school adolescents. However, there is a lack of reliable data regarding the recommended level of physical activity and its correlates related to physical inactivity and sedentary behaviour among school students in Iran. Physical inactivity and sedentary behaviour are the main risk factors for non-communicable diseases in all stages of life.
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