Key Words: physical activity, obesity, health knowledge, attitudes, practice, overweight, motivation
Abstract
BACKGROUND
Obesity is a growing public health issue. One of the main strategies to prevent it is physical activity.
OBJECTIVES
To determine if a correlation exists between awareness of the consequences of obesity and physical activity level
METHODS
A cross-sectional study performed on a group of 215 students was conducted in 2013 and 2014. Non-health related program students were selected by convenience sampling at a university in Lima, Peru. Their physical activity level was measured using the International Physical Activity Questionnaire (IPAQ), and knowledge about the consequences of obesity was assessed using the Obesity Risk Knowledge-10 scale (ORK-10). Each student was also asked to record the source where they obtained whatever information they knew about the topic.
RESULTS
The median age of the participants was 20 (interquartile range of 4; 22-18), and 63% of the participants were female. According to the IPAQ, 53.9% of the participants recorded high levels of physical activity, 35.4% recorded moderate levels, and 10.7%, recorded low levels. While a low correlation between the ORK-10 score and the amount of METs/minute/week spent was found (rs=0.06), it was not significant (p=0.38). We found that people who were informed by the media or by healthcare personnel achieved higher scores on the ORK-10 scale than those who used other sources of information (p<0,05).
CONCLUSIONS
There is a very low correlation between the knowledge about the consequences of obesity and a person’s physical activity level. A multidisciplinary approach that includes all determinants of physical activity is necessary in order to attain changes in people’s behavior.
This article does not have an English version.
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INTRODUCCIÓN
La obesidad es un problema de salud pública cuya prevalencia se encuentra en aumento. Una de las estrategias principales para combatirla es la realización de actividad física.
OBJETIVOS
Determinar si existe correlación entre los conocimientos sobre las consecuencias de la obesidad y el grado de actividad física de las personas.
MÉTODOS
Se realizó un estudio transversal analítico en los años 2013 y 2014. Participaron 215 alumnos de pregrado seleccionados por conveniencia, no relacionados a carreras del campo de la salud en una universidad de Lima, Perú. Se evaluó el grado de actividad física utilizando el International Physical Activity Questionnaire y el nivel de conocimientos sobre consecuencias de la obesidad utilizando la escala Obesity Risk Knowledge-10. También, se consignaron las fuentes de información de donde obtuvieron el conocimiento para responder dicho cuestionario.
RESULTADOS
La mediana de edad fue 20 años (rango intercuartílico de 4; 22-18) y 63% eran mujeres. De acuerdo al International Physical Activity Questionnaire, 53,9% realizaba actividad física alta, 35,4%, moderada y 10,7%, leve. Se encontró una correlación muy baja (rs=0,06) entre el puntaje del Obesity Risk Knowledge-10 y la cantidad de equivalentes metabólicos/minuto consumidos por semana, que no fue significativa (p=0,38). Las personas informadas por medios de comunicación y por personal de salud obtuvieron mayores puntajes en el Obesity Risk Knowledge-10 que quienes se informaron por otras vías (p<0,05).
CONCLUSIONES
La correlación entre los conocimientos sobre consecuencias de la obesidad y el grado de actividad física es muy baja. Es necesario utilizar enfoques multidisciplinarios que incluyan todos los determinantes de la realización de actividad física para poder lograr cambios en la conducta de la población.
Authors:
Javier Ocampo-Mascaró[1], Vera Silva-Salazar[1], A. Daniel da Costa-Bullón[1]
Affiliation:
[1] Escuela de Medicina, Universidad Peruana de Ciencias Aplicadas, Lima, Perú
E-mail: javier_200014@hotmail.com
Author address:
[1] Prolongación Primavera
2390
Lima
Perú
Citation: Ocampo-Mascaró J, Silva-Salazar V, da Costa-Bullón AD. Correlation between knowledge about the consequences of obesity and physical activity levels among university students. Medwave 2015 Dic;15(11):e6329 doi: 10.5867/medwave.2015.11.6329
Publication date: 2/12/2015
Origin: not requested
Type of review: reviewed by three external peer reviewers, double-blind
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Self-perception of weight appropriateness in the United States. Am J Prev Med. 2003 May;24(4):332-9. | PubMed |Powell TM, de Lemos JA, Banks K, Ayers CR, Rohatgi A, Khera A, et al. Body size misperception: a novel determinant in the obesity epidemic. Arch Intern Med. 2010 Oct 11;170(18):1695-7. | CrossRef | PubMed |Warburton DE, Nicol CW, Bredin SS. Health benefits of physical activity: the evidence. CMAJ. 2006 Mar 14;174(6):801-9. | PubMed |Sattelmair J, Pertman J, Ding EL, Kohl HW 3rd, Haskell W, Lee IM. Dose response between physical activity and risk of coronary heart disease: a meta-analysis. Circulation. 2011 Aug 16;124(7):789-95. | CrossRef | PubMed |Jakicic JM, Otto AD. Physical activity considerations for the treatment and prevention of obesity. Am J Clin Nutr. 2005 Jul;82(1 Suppl):226S-229S. | PubMed |Hallal PC, Andersen LB, Bull FC, Guthold R, Haskell W, Ekelund U, et al. Global physical activity levels: surveillance progress, pitfalls, and prospects. Lancet. 2012 Jul 21;380(9838):247-57. | CrossRef | PubMed |Bauman AE, Reis RS, Sallis JF, Wells JC, Loos RJ, Martin BW,et al. Correlates of physical activity: why are some people physically active and others not? Lancet. 2012 Jul 21;380(9838):258-71. | CrossRef | PubMed |Hui SS, Hui GP, Xie YJ. Association between Physical Activity Knowledge and Levels of Physical Activity in Chinese Adults with Type 2 Diabetes. PLoS One. 2014 Dec 10;9(12):e115098. | CrossRef | PubMed |Swift JA, Glazebrook C, Macdonald I. Validation of a brief, reliable scale to measure knowledge about the health risks associated with obesity. Int J Obes (Lond). 2006 Apr;30(4):661-8. | PubMed |Bauman A, Bull F, Chey T, Craig CL, Ainsworth BE, Sallis JF, et al. The International Prevalence Study on Physical Activity: results from 20 countries. Int J Behav Nutr Phys Act. 2009 Mar 31;6:21. | CrossRef | PubMed |Pan SY, Cameron C, Desmeules M, Morrison H, Craig CL, Jiang X. Individual, social, environmental, and physical environmental correlates with physical activity among Canadians: a cross-sectional study. BMC Public Health. 2009 Jan 16;9:21. | CrossRef | PubMed |Velásquez-Buendía R, Hernández-Álvarez JL, Martínez-Gorroño ME, Martínez-de Haro V. Educación física y conocimiento teórico-conceptual: estudio trans-cultural en Argentina Brasil y España. Revista de Educación. 2011;356:653-675. | Link |Gordon-Larsen P. Obesity-related knowledge, attitudes, and behaviors in obese and non-obese urban Philadelphia female adolescents. Obes Res. 2001 Feb;9(2):112-8. | PubMed |Schroeder K, Fahey T, Ebrahim S. How can we improve adherence to blood pressure-lowering medication in ambulatory care? Systematic review of randomized controlled trials. Arch Intern Med. 2004 Apr 12;164(7):722-32. | PubMed |Al-Qazaz HKh, Sulaiman SA, Hassali MA, Shafie AA, Sundram S, Al-Nuri R, et al. Diabetes knowledge, medication adherence and glycemic control among patients with type 2 diabetes. Int J Clin Pharm. 2011 Dec;33(6):1028-35. | CrossRef | PubMed |Trost SG, Owen N, Bauman AE, Sallis JF, Brown W. Correlates of adults' participation in physical activity: review and update. Med Sci Sports Exerc. 2002 Dec;34(12):1996-2001. | PubMed |Kaewthummanukul T, Brown KC. Determinants of employee participation in physical activity: critical review of the literature. AAOHN J. 2006 Jun;54(6):249-61. | PubMed |Biddle SJH, Mutrie N. Psycology of Physical Activity: Determinants, Well-Being and Interventions. 2nd ed. New York: Routledge; 2008. Prochaska J. Systems of Psychotherapy: A Transtheoretical Analysis. Homewood, Ill.: Dorsey Press; 1979. Koring M, Richert J, Lippke S, Parschau L, Reuter T, Schwarzer R. Synergistic effects of planning and self-efficacy on physical activity. Health Educ Behav. 2012 Apr;39(2):152-8. | CrossRef | PubMed |Teixeira PJ, Carraça EV, Markland D, Silva MN, Ryan RM. Exercise, physical activity, and self-determination theory: a systematic review. Int J Behav Nutr Phys Act. 2012 Jun 22;9:78. | CrossRef | PubMed |Humpel N, Owen N, Leslie E. Environmental factors associated with adults' participation in physical activity: a review. Am J Prev Med. 2002 Apr;22(3):188-99. | PubMed |Owen N, Humpel N, Leslie E, Bauman A, Sallis JF. Understanding environmental influences on walking; Review and research agenda. Am J Prev Med. 2004 Jul;27(1):67-76. | PubMed |Azevedo MR, Araújo CL, Reichert FF, Siqueira FV, da Silva MC, Hallal PC. Gender differences in leisure-time physical activity. Int J Public Health. 2007;52(1):8-15. | PubMed |
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