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. 2022 Aug 12:52:101591.
doi: 10.1016/j.eclinm.2022.101591. eCollection 2022 Oct.

Prevalence of multiple non-communicable diseases risk factors among adolescents in 140 countries: A population-based study

Affiliations

Prevalence of multiple non-communicable diseases risk factors among adolescents in 140 countries: A population-based study

Tuhin Biswas et al. EClinicalMedicine. .

Abstract

Background: Modifiable non-communicable disease (NCD) risk factors are becoming increasingly common among adolescents, with clustering of these risk factors in individuals of particular concern. The aim of this study was to assess global status of clustering of common modifiable NCD risk factors among adolescents.

Methods: We used latest available data from nationally representative survey for 140 countries, namely the Global School-based Student Health Survey, the Health Behaviour in School-Aged Children and the longitudinal study of Australian Children. Weighted mean estimates of prevalence with corresponding 95% confidence intervals of nine NCD risk factors - physical inactivity, sedentary behaviour, insufficient fruits and vegetable consumption, carbonated soft drink consumption, fast food consumption, tobacco use, alcohol consumption and overweight/obesity - were calculated by country, region and sex.

Findings: Over 487,565 adolescents, aged 11-17 years, were included in this study. According to trend analysis, prevalence of four or more NCD risk factors increased gradually over time. Prevalence of four or more NCD risk factors was 14.8% in 2003-2007 and increased to 44% in 2013-2017, an approximately three-fold increase (44.0%). Similar trends were also observed for three and two risk factors. Large variation between countries in the prevalence of adolescents with four or more risk factors was found in all regions. The country level range was higher in the South-East Asia Region (minimum Sri Lanka = 8%, maximum Myanmar = 84%) than Western Pacific Region (minimum China = 3%, maximum Niue = 72%), European Region (minimum Sweden = 13.9%, maximum Ireland = 66.0%), African Region (minimum Senegal = 0.8%, maximum Uganda = 82.1%) and Eastern Mediterranean Region (minimum Libya = 0.2%, maximum Lebanon = 80.2%). Insufficient vegetable consumption, insufficient fruit consumption and physically inactivity were three of the four most prevalent risk factors in all regions.

Interpretation: Our results suggest a high prevalence of four or more NCD risk factors in adolescents globally, although variation was found between countries. Results from our study indicate that efforts to reduce adolescent NCD risk factors and the associated health burden need to be improved. These findings can assist policy makers to target the rollout of country- specific interventions.

Funding: None.

Keywords: Adolescents; Burden; Non-communicable disease; Risk factors.

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Conflict of interest statement

All authors declare no competing interests.

Figures

Figure 1
Figure 1
Global trend of NCD risk factors among the adolescent. Blue colour shows 4 risk factors, orange colour shows 3 risk factors, gray colour show 2 risk factors and yellow show the 1 risk factor.
Figure 2
Figure 2
Plots display a box representing the median, maximum and minimum percentage of four or more risk factors within region. Blue colour show South-East Asia Region, orange colour shows African region, gray colour show Eastern Mediterranean Region and yellow show the Region of the Americas, turquoise show the Western Pacific Region and green show the European Region.
Figure 3
Figure 3
Plots display a box representing the median, maximum and minimum percentage of individual risk factors. Blue colour show overweight/obesity, orange colour shows insufficient fruits, gray colour show insufficient vegetables and yellow show the soft drinks, turquoise show the fast food, green show the physical inactivity, dark blue show the sedentary behaviour, brown show the alcohol and back show the smoking.

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