|Year : 2016 | Volume
| Issue : 3 | Page : 564-568
Physical activity correlates of overweight and obesity in school-going children of Dehradun, Uttarakhand
Madhavi Bhargava1, SD Kandpal2, Pradeep Aggarwal2
1 Department of Community Medicine, Yenepoya Medical College, Yenepoya University, Mangalore, Karnataka, India
2 Department of Community Medicine, Himalayan Institute of Medical Sciences, SRH University, Dehradun, Uttarakhand, India
|Date of Web Publication||30-Dec-2016|
Department of Community Medicine, Yenepoya Medical College, University Road, Deralakatte, Mangalore - 575 018, Karnataka
Source of Support: None, Conflict of Interest: None
Background: Physical activity is important for prevention of overweight and obesity in growing children. Objective: The present study aims to explore the association of overweight and obesity in school children of the district of Dehradun with physical activity, sports, and recreation at home and school. Materials and Methods: A cross-sectional survey of 1266 schoolchildren of select private and government schools in urban and rural areas was done. Results: Overall 15.6% of children were overweight, of which 5.4% were obese. Overweight and obesity were significantly associated with physical inactivity related to passive transport to school, missed opportunities for play during lunch breaks, lack of participation in household work, and excessive viewing of television. Conclusion: We found a significant association between the lack of physical activity and overweight and obesity. There is a need to enhance physical activity, sports, and recreational opportunities at school as well as home to prevent overweight and obesity in children. Family physicians should include counseling for this important and cheap modifiable risk factor in their family care practice.
Keywords: Exercise, obesity, overweight, sports and recreation, television
|How to cite this article:|
Bhargava M, Kandpal S D, Aggarwal P. Physical activity correlates of overweight and obesity in school-going children of Dehradun, Uttarakhand. J Family Med Prim Care 2016;5:564-8
|How to cite this URL:|
Bhargava M, Kandpal S D, Aggarwal P. Physical activity correlates of overweight and obesity in school-going children of Dehradun, Uttarakhand. J Family Med Prim Care [serial online] 2016 [cited 2019 Aug 22];5:564-8. Available from: http://www.jfmpc.com/text.asp?2016/5/3/564/197281
| Introduction|| |
Nutrition transition is now a well-known phenomenon in developing countries with increasing overweight and obesity across age groups due to a shift in diet and physical activity factors.  People who are not sufficiently physically active are at about 20-30% greater risk of all-cause mortality compared to those who are involved in at least 30 min of a moderate amount of physical activity on most week days. Approximately 3.2 million deaths annually are attributable to insufficient physical activity.  Obesity and resultant noncommunicable diseases in adulthood can be prevented by inculcating physical activity habits in childhood. School-based physical activity interventions show consistent improvement in knowledge, attitudes, behavior and when tested, physical and clinical outcomes.  Schools can stimulate this by necessary recreational facilities, physical infrastructure, and equipment.  All schools should include a physical activity component taught by trained teachers in a supportive environment. Moreover, many environmental factors reduce opportunities for safe physical activity.  Parents prefer that the children are driven to their schools rather than allowing them active transport like walking or cycling due to safety reasons. Physical activity habits developed during school years can go a long way later in life and contribute in amelioration of noncommunicable disease burden at national and international level.
The problem of overweight and obesity due to reduced physical activity is often referred to as a result of "westernization" which includes increasing use of electronic goods and screen time and changing consumer and dietary pattern. A recent study in private and government schools in Delhi has highlighted the factors such as "westernization" and nutrition, physical activity, and dietary behaviors.  Uttarakhand is a young state with widespread developmental activities and is not exempt from acculturation that is spreading in the country. The objective of this study was to study the physical activity factors associated with overweight and obesity in urban and rural school-going children belonging to high- and low-income groups.
| Materials and Methods|| |
This was an observational cross-sectional study conducted during the year 2013, in the district of Dehradun of the North Indian state of Uttarakhand. Data were collected from school children aged 6-17 years in government and private schools in urban and rural areas of the district. For socioeconomic status, the government schools represented the low-income group and the private schools represented the high-income group.
A total of 1266 children from class 1 to 12 were enrolled from multiple schools in urban and rural schools of government and the private sector. Each class had multiple sections and one section from these was included by simple random sampling. All children present on the day of the survey were enrolled after excluding those who were differently abled. Age of a child was determined using the date of birth in school register. A prior written consent was taken from parents, and verbal assent was taken from the children after detailed explanation. The study was approved by the ethics committee of the Himalayan Institute of Medical Sciences.
Weight was recorded using the digital weighing machine (Omron Model: HN286, accuracy 0.1 kg) and height was measured using a wall-mounted staturemeter (Seca body meter 206, accuracy 0.001 m). Both height and weight were taken using the standard measures recommended by the World Health Organization (WHO).  These cut-offs are appropriate for developed as well as developing countries.
The data collection tool used was an interview schedule developed after an informal visit to nearby government and private school for patterns of physical activity as well as interaction with school-going children. It was initially framed in the English language, translated to Hindi, and retranslated to English to check for any change in content and message. This tool was then pretested in some nonparticipating school-going children followed by necessary modifications. The level of physical activity was assessed with questions regarding locally relevant sports and household chores, television viewing, and computer usage. Students were asked about the mode of transport to school, leisure time, and lunch time activities at school and whether academic routine leaves time to have postschool playtime. At the end of the questionnaire completion, anthropometric measurements were made, and a physical survey of the schools was done to assess the availability of sports material and facilities for recreation.
Nutritional status was defined using the WHO cut-offs  and statistical analysis was performed using SPSS (IBM SPSS Statistics Version 19). Categorical variables tested using Chi-square test and the value of P < 0.05 considered statistically significant.
| Results|| |
[Table 1] shows the distribution of study participants in all the types of schools. Children in all age groups and gender were nearly evenly distributed. The overall mean body mass index (BMI)-for-age z-score (BAZ) was −0.47. The prevalence of overweight and obesity, i.e., BAZ >+1 standard deviation was 15.6% of which 5.4% were obese. Passive transport to school, lack of active play during lunch breaks in school and limited after-school physical activity were strongly associated with overweight and obesity [Table 2] and [Figure 1]. A surprising fact that needs to be highlighted is that only 17% of government school children reported the availability of sports material within the school. On the other hand, all the private schools had sports material, playground, and recreation infrastructure (parallel bars, slides, net for badminton, etc.) for physical activity. These figures did not reflect on the burden of overweight and obesity in these school types. Interestingly, the private schools had rules and regulations that prevented kids from having unstructured lunch time activities (children sit during lunch breaks in their respective classrooms to avoid littering). Moreover, private schools allotted very limited time for physical activity. On the other hand, the government schools were found to be lacking in physical activity infrastructure, but even small playgrounds were being used by the children for unstructured playing and physical activity during lunch break and during school hours. Greater proportion of students from the private schools felt academic stress to the extent which prevented them from pursuing postschool outdoor activities (51% vs. 17%; P < 0.001). This in turn was associated significantly with overweight and obesity.
|Table 2: Physical activity correlates of overweight and obesity in study participants |
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More government school children were involved in helping with the household chores as compared to those from private schools [Figure 2]. There was also a significant association between lack of involvement in household activities and overweight and obesity [Table 2]. A large number of rural children were involved in post-school farm related activities. While television viewing and increasing computer usage were associated with the problem in question, the absence of a playground near the house and the habit of eating while watching television were not significantly associated.
|Figure 2: Physical activity due to house-hold work in study participants|
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| Discussion|| |
Limited exploration has been done in India regarding all the physical activity factors in schoolchildren in India. Factors that are often studied are hours of physical activity and television viewing. , The Calcutta obesity study has studied the individual sport, time spent in each of these and its correlation with body composition. 
Schools and academic pressures play an important role in physical activity attitudes of the children. Moreover, the transition from agrarian lifestyle, changing economic status, invasion of television and computer across communities have greatly contributed to the prevalence of overweight and obesity. This especially affects younger age-groups which are quick in picking up attractive options and show disinclination toward traditional lifestyle and physical activity. While this is well documented in large cities,  the changes in rural and less urban locations are less explored. A recent study in Karnataka used photo journals to understand this and found children to be interested in active pastimes as well. 
Schools play a very important role in improving physical activity habits in children in their formative years. Providing unstructured leisure time which encourages physical activity and recreation during or after school should be given equal emphasis as academics. While this is particularly important for private schools, government schools (which cater to low-income groups) lacking in physical infrastructure need the material support of the state for improvement. A 5-year multi-intervention program, SYS-KEM study was conducted in Pune and Nasik, which covered physical activity, diet, and general health domains in schoolchildren.  Apart from extra and intra-curricular physical activity sessions, there were yoga-based breathing exercises, changes in school meals and nutrition education of teachers, students and families in the intervention group. While there was no impact on the children's BMI, the waist circumference was lower in the intervention group.
Guidelines for physical activity which are applicable to ever increasing a number of private schools which give too much stress on academic performance, leaving little room for after-school physical activity also need to be framed and implemented. Significant gaps in the understanding of overweight and obesity in children, role of schools, academic pressures from school, and parents prevail. Multicentric studies that address all these factors in urban-rural schools and all income groups are required. This will contribute in creating evidence for school-health policies and implement balanced curriculum that is healthful for children.
Limitations of the study
The study design is cross-sectional in nature, hence no causal association can be inferred. Moreover, for young and middle-aged adults a standardized and validated tool like the International Physical Activity Questionnaire is available.  Since no such standardized tool is available for the age group included in the study population, the findings cannot be generalized or compared with other parts of India.
Strengths of the study
This study encompasses government and private schools in rural and urban India. This facilitates the assessment and comparison of physical activity correlates across school types. Published literature so far does not report physical activity factors in schoolchildren of Uttarakhand and their role in overweight and obesity in this age group.
| Conclusion|| |
This study found a significant association between the lack of physical activity and overweight and obesity in school-going children. There is a need to enhance physical activity, sports, and recreational opportunities at school as well as home to prevent overweight and obesity in children. These will be important primary prevention measures to combat the epidemic of non-communicable diseases in India.
Role of primary care physicians
Primary care and family physicians are in a unique position where they deal with families across their life-course. Noncommunicable diseases in an adult have their origin in the childhood. Any patient with noncommunicable disease is an opportunity to provide holistic care that encompasses all the modifiable risk factors in the family of patient rather than a patient being treated as an island.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2]
[Table 1], [Table 2]