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Katsimpris A, Antoniadis AG, Dessypris N, Karampinos K, Gogas HJ, Petridou ET. Associations of Dietary Factors with Cutaneous Melanoma: A Case-Control Study in Greece with Literature Review. Oncol Res Treat 2024; 47:206-217. [PMID: 38471487 PMCID: PMC11078323 DOI: 10.1159/000538278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 03/06/2024] [Indexed: 03/14/2024]
Abstract
INTRODUCTION It has been postulated that nutrition may influence the risk for cutaneous melanoma (CM); therefore, we aimed to assess the associations of food groups and individual nutrient intakes with CM in a Greek population. METHODS In this case-control study, 151 patients with histologically confirmed CM, newly diagnosed and treated in the Oncology Department of the "Laikon" University Hospital (Athens, Greece), and 151 age- and sex-matched healthy individuals residing in the Athens metropolitan area, recruited among participants for routine health examinations, were included. All participants completed a questionnaire comprising anthropometric measurements, sociodemographic, lifestyle, and health-related variables. A validated, semiquantitative food frequency questionnaire was used to assess average consumption of 136 food items during the 12 months preceding the onset of disease. Multivariate conditional regression models were used to derive odds ratios (ORs) with 95% confidence intervals (95% CI) regarding the association of nine food groups and seven macronutrients with CM. RESULTS Statistically significant positive associations with CM were found with higher energy intake (OR: 1.67, 95% CI: 1.22-2.30) and intake of saturated fatty acids (OR: 2.28, 95% CI: 1.00-5.28), after adjusting for sun sensitivity, major depression history, and alcohol intake. Inverse associations with higher intake of milk and dairy products (OR: 0.65, 95% CI: 0.48-0.88), fruits (OR: 0.68, 95% CI: 0.51-0.90), added lipids (OR: 0.65, 95% CI: 0.47-0.91), and sugars and syrups (OR: 0.70, 95% CI: 0.53-0.93) were also observed. CONCLUSIONS Beyond intrinsic risk factors, our results support associations of CM with multiple food groups and nutrients; if confirmed by prospective studies, these findings can add further knowledge about this fatal cancer.
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Affiliation(s)
| | - Antonios G. Antoniadis
- First Department of Medicine, Laiko General Hospital, National and Kapodistrian University of Athens, Zografou, Greece
| | - Nick Dessypris
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Zografou, Greece
| | - Konstantinos Karampinos
- Department of Medicine, School of Medicine, National and Kapodistrian University of Athens, Zografou, Greece
| | - Helen J. Gogas
- First Department of Medicine, Laiko General Hospital, National and Kapodistrian University of Athens, Zografou, Greece
| | - Eleni T. Petridou
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Zografou, Greece
- Hellenic Society for Social Pediatrics and Health Promotion, Athens, Greece
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Chang CK, Wu CL. Results from the Chinese Taipei (Taiwan) 2022 report card on physical activity for children and youth. J Exerc Sci Fit 2023; 21:6-13. [DOI: 10.1016/j.jesf.2022.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 10/19/2022] [Accepted: 10/23/2022] [Indexed: 11/05/2022] Open
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Burns RD, Armstrong JA. Associations of connectedness and parental behaviors with adolescent physical activity and mental health during COVID-19: A mediation analysis using the 2021 adolescent behaviors and experiences survey. Prev Med 2022; 164:107299. [PMID: 36228874 PMCID: PMC9550276 DOI: 10.1016/j.ypmed.2022.107299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 10/03/2022] [Accepted: 10/06/2022] [Indexed: 12/03/2022]
Abstract
The purpose of this study was to examine the associations of connectedness and parental behaviors with adolescent physical activity (PA) and mental health during COVID-19. Participants were a representative sample of US high school students who completed the 2021 Adolescent Behaviors and Experiences Survey (ABES; N = 7705; 50.4% female). ABES was completed online during the spring of 2021 and data were analyzed during the spring of 2022. Independent variables were items asking about perceived school and virtual connectedness, parental emotional abuse, and parental monitoring. Latent variables represented both PA and mental health. Two weighted structural equation models tested the associations between connectedness, parental behaviors, and mental health mediated through PA (Model 1) and between connectedness, parental behaviors, and PA mediated through mental health (Model 2) with indirect effect confidence intervals obtained using Monte Carlo simulations. School connectedness directly associated with better mental health in Model 1 (β = 0.17, p < 0.001) and with higher PA in Model 2 (β = 0.19, p < 0.001) while virtual connectedness directly associated with higher PA in Model 2 (β = 0.08, p < 0.001). Parental emotional abuse directly associated with poorer mental health in Model 1 (β = -0.43, p < 0.001). Standardized indirect effects to better mental health mediated through higher PA were observed for school connectedness (IE = 0.017, p < 0.001) and virtual connectedness (IE = 0.007, p < 0.001) and indirect effects to lower PA mediated through poorer mental health were observed for parental emotional abuse (IE = -0.050, p < 0.001). Perceptions of school and virtual connectedness and parental emotional abuse both directly and indirectly impacted adolescent PA and mental health during the COVID-19 pandemic.
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Affiliation(s)
- Ryan D Burns
- Department of Health and Kinesiology, University of Utah, Salt Lake City, UT, USA.
| | - Jason A Armstrong
- Department of Health and Kinesiology, University of Utah, Salt Lake City, UT, USA
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Bekelman TA, Ringham BM, Sauder KA, Johnson SL, Harrall KH, Glueck DH, Dabelea D. Adherence to index-based dietary patterns in childhood and BMI trajectory during the transition to adolescence: the EPOCH study. Int J Obes (Lond) 2021; 45:2439-2446. [PMID: 34304241 PMCID: PMC8542564 DOI: 10.1038/s41366-021-00917-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 07/10/2021] [Accepted: 07/19/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND In the United States, one in five adolescents are obese. Index-based dietary patterns are measures of the overall diet that have the potential to serve as valuable obesity risk stratification tools. However, little is known about the association between adherence to index-based dietary patterns in childhood and BMI during the transition from childhood to adolescence. OBJECTIVE To prospectively examine the relationship between adherence to three index-based dietary patterns in childhood and BMI trajectory during the transition to adolescence. METHODS The study included 581 children enrolled in a Colorado prospective cohort study conducted between 2006 and 2015. Dietary intake was assessed with the Block Kids Food Frequency Questionnaire at age 10 years. Scores were calculated for the Healthy Eating Index-2010 (HEI-2010), the alternate Mediterranean (aMED) diet, and the Dietary Approaches to Stop Hypertension (DASH) diet. Weight and height were assessed via anthropometry at two research visits (ages 10 and 16 years), with interim clinical measurements extracted from Kaiser Permanente medical records. Separate mixed models were used to assess the association between each diet index score and BMI over a 6-year period. Models were stratified by sex and adjusted for age, race/ethnicity, income, and exposure to gestational diabetes. RESULTS Median (IQR) number of BMI assessments was 14 (10-18). Among girls, for every ten-unit increase in HEI-2010 score, there was an average 0.64 kg/m2 decrease (p = 0.007) in BMI over time, after adjustment for covariates. Among girls, there was no association between BMI and aMED (β = -0.19, p = 0.24) or DASH (β = 0.28, p = 0.38). Among boys, there was no statistically significant association between BMI and HEI-2010 (0.06, p = 0.83), aMED (0.07, p = 0.70), or DASH (0.42, p = 0.06). CONCLUSIONS Efforts to prevent adolescent obesity could benefit from considering the degree of adherence to federal dietary guidance, as assessed by the HEI, in the period preceding adolescence, especially among girls.
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Affiliation(s)
- Traci A. Bekelman
- Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Colorado School of Public Health, Aurora, Colorado,Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado
| | - Brandy M. Ringham
- Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Colorado School of Public Health, Aurora, Colorado
| | - Katherine A. Sauder
- Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Colorado School of Public Health, Aurora, Colorado,Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado,Department of Pediatrics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Susan L. Johnson
- Department of Pediatrics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Kylie H. Harrall
- Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Colorado School of Public Health, Aurora, Colorado
| | - Deborah H. Glueck
- Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Colorado School of Public Health, Aurora, Colorado,Department of Pediatrics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Dana Dabelea
- Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Colorado School of Public Health, Aurora, Colorado,Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado,Department of Pediatrics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
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Portela-Pino I, López-Castedo A, Martínez-Patiño MJ, Valverde-Esteve T, Domínguez-Alonso J. Gender Differences in Motivation and Barriers for The Practice of Physical Exercise in Adolescence. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 17:ijerph17010168. [PMID: 31881707 PMCID: PMC6981955 DOI: 10.3390/ijerph17010168] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 12/22/2022]
Abstract
A total of 852 adolescents between 12 and 17 years of age were evaluated (M = 14.86, SD = 1.67), randomly selected among a population of secondary school and Baccalaureate students. We applied an “ad hoc” questionnaire on sociodemographic data and the Self-Report of Reasons for the Practice of Physical Exercise (AMPEF) and Self-Report of Barriers to the Practice of Physical Exercise (ABPEF) questionnaires. The results obtained show a prevalence of competition, social recognition, and challenge as motivational factors, and fatigue or laziness as barriers to physical exercise among adolescents. With respect to gender, boys show a greater presence of motivations towards doing physical exercise, while girls show more barriers. In conclusion, the motivational factors and barriers interact and support each other for a better predisposition towards physical exercise.
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Affiliation(s)
- Iago Portela-Pino
- Department of Physical Education, University of Vigo, 36310 Vigo, Spain; (I.P.-P.); (M.J.M.-P.)
| | - Antonio López-Castedo
- Department of Analysis and Psicoeducative Intervention, University of Vigo, 36310 Vigo, Spain; (A.L.-C.); (J.D.-A.)
| | | | - Teresa Valverde-Esteve
- Department of Didactics of Music, Visual and Body Expression, University of Valencia, 46022 Valencia, Spain
- Correspondence:
| | - José Domínguez-Alonso
- Department of Analysis and Psicoeducative Intervention, University of Vigo, 36310 Vigo, Spain; (A.L.-C.); (J.D.-A.)
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Xu F, Cohen SA, Greaney ML, Hatfield DL, Greene GW. Racial/Ethnic Disparities in US Adolescents' Dietary Quality and Its Modification by Weight-Related Factors and Physical Activity. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16234803. [PMID: 31795448 PMCID: PMC6926511 DOI: 10.3390/ijerph16234803] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/26/2019] [Accepted: 11/27/2019] [Indexed: 12/31/2022]
Abstract
There are well-known disparities in the prevalence of obesity across racial-ethnic groups, although the behavioral and psychological factors driving these disparities are less well understood. Therefore, the objectives of this study were: (1) to examine differences in dietary quality by race/ethnicity and weight-related variables [body mass index (BMI), weight loss attempt, and weight dissatisfaction] and physical activity (PA) using the Health Eating Index-2015 (HEI-2015); and (2) to investigate the interactions and independent associations of race/ethnicity, weight-related variables and PA on dietary quality. Data for adolescents aged 12–19 years (n = 3373) were abstracted from the 2007–2014 National Health and Nutrition and Examination Survey and analyzed using multiple PROC SURVEYREG, adjusting for demographics and accounting for complex sampling. Analyses determined that Hispanic males had better overall HEI-2015 scores than non-Hispanic whites (48.4 ± 0.5 vs. 45.7 ± 0.6, p = 0.003) or blacks (48.4 ± 0.5 vs. 45.5 ± 0.5, p < 0.001). Hispanic females also had better dietary quality than non-Hispanic whites (50.2 ± 0.4 vs. 47.5 ± 0.5, p < 0.001) and blacks (50.2 ± 0.4 vs. 47.1 ± 0.5, p < 0.001). Meeting the PA recommendation modified racial/ethnic differences in dietary quality for females (p = 0.011) and this was primarily driven by the associations among non-Hispanic white females (ΔR2 = 2.6%, p = 0.0004). The study identified racial/ethnic and gender differences among adolescents in factors that may promote obesity. Results may be useful for obesity prevention efforts designed to reduce health disparities in adolescents.
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Affiliation(s)
- Furong Xu
- Department of Kinesiology, University of Rhode Island, Independence Square II, Kingston, RI 02881, USA;
- Correspondence: ; Tel.: +1-401-874-2412
| | - Steven A. Cohen
- Department of Health Studies, University of Rhode Island, Independence Square II, Kingston, RI 02881, USA; (S.A.C.); (M.L.G.)
| | - Mary L. Greaney
- Department of Health Studies, University of Rhode Island, Independence Square II, Kingston, RI 02881, USA; (S.A.C.); (M.L.G.)
| | - Disa L. Hatfield
- Department of Kinesiology, University of Rhode Island, Independence Square II, Kingston, RI 02881, USA;
| | - Geoffrey W. Greene
- Department of Nutrition and Food Sciences, University of Rhode Island, Fogarty Hall, Kingston, RI 02881, USA;
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Silva DR, Werneck AO, Collings PJ, Fernandes RA, Barbosa DS, Ronque ERV, Sardinha LB, Cyrino ES. Physical activity maintenance and metabolic risk in adolescents. J Public Health (Oxf) 2019; 40:493-500. [PMID: 28927241 DOI: 10.1093/pubmed/fdx077] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 06/14/2017] [Indexed: 11/13/2022] Open
Abstract
Aim Examine the association between child and adolescent physical activity maintenance categories and metabolic profile in adolescence. Methods This cross-sectional study was conducted with 1152 adolescents (57.4% female) aged 10-16 years from Londrina, Brazil. Physical activity was self-reported in childhood (7-10 years old, retrospective data) and adolescence through questionnaires. Cardiorespiratory fitness (20 m shuttle-run test), body fat (skinfolds), waist circumference, blood pressure (automatic instrument) and blood variables (fasting glucose, HDL-cholesterol and triglycerides) were measured at adolescence. Results Frequency of physical activity in childhood and adolescence was 50.3 and 17.2%, respectively, and only 25.7% of boys and 10.9% of girls were active at both ages. Adolescents who were physically active in childhood alone were less likely [OR = 0.71 (95% CI: 0.52-0.97)] to present low cardiorespiratory fitness in adolescence compared to those who were non-active in childhood. Regardless of controlled, actives in childhood and adolescence were less likely to present low cardiorespiratory fitness [OR = 0.50 (95% CI: 0.34-0.73)], high blood pressure [OR = 0.52 (95% CI: 0.32-0.85)] and high metabolic risk score [OR = 0.44 (95% CI: 0.22-0.90)] compared to the non-actives at both ages. Conclusions Actives through childhood to adolescence are less likely to present low cardiorespiratory fitness, high blood pressure and high metabolic risk.
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Affiliation(s)
- Danilo R Silva
- Department of Physical Education, Federal University of Sergipe-São Cristóvão, Sergipe, Brazil.,Study and Research Group in Metabolism, Nutrition, and Exercise (GEPEMENE), State University of Londrina (UEL), Londrina, Paraná, Brazil
| | - André O Werneck
- Study and Research Group in Metabolism, Nutrition, and Exercise (GEPEMENE), State University of Londrina (UEL), Londrina, Paraná, Brazil
| | - Paul J Collings
- Bradford Institute for Health Research, Bradford NHS Foundation Trust, Bradford, UK
| | - Rômulo A Fernandes
- Scientific Research Group Related to Physical Activity (GICRAF), Laboratory of Investigation in Exercise (LIVE), Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente, Brazil
| | - Décio S Barbosa
- Department of Pathology, Clinical and Toxicological Analysis, Center of Health Sciences, University Hospital, State University of Londrina-UEL, Londrina, Brazil
| | - Enio R V Ronque
- Department of Physical Education, Federal University of Sergipe-São Cristóvão, Sergipe, Brazil
| | - Luís B Sardinha
- Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Portugal
| | - Edilson S Cyrino
- Study and Research Group in Metabolism, Nutrition, and Exercise (GEPEMENE), State University of Londrina (UEL), Londrina, Paraná, Brazil
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Narla A, Rehkopf DH. Novel ranking of protective and risk factors for adolescent adiposity in US females. Obes Sci Pract 2019; 5:177-186. [PMID: 31019735 PMCID: PMC6469335 DOI: 10.1002/osp4.323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 10/15/2018] [Accepted: 10/18/2018] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE Rank the importance of potentially modifiable psychosocial, dietary and environmental risk and protective factors for female adolescent obesity in order to target and inform public health prevention efforts. Utilizing the largest dataset available that captures the onset of the adolescent obesity surge in the USA, the study provides a more robust understanding of paediatric obesity risk factors. METHODS Data were obtained from an observational, longitudinal study conducted between 1989 and 2001, the NHLBI Growth and Health Study. This study includes girls aged 9-19 years from three urban US locations, with Black and White girls generally represented equally. Data were analysed using multiple regression, random forest and propensity score matching to determine the strongest adiposity risk and protective factors during ages 9-12 predicting adiposity at age 19 with multiple methods to maximize the ability to identify possible public health interventions. Multiple linear regression and random forest analysis identified the strongest associations among 288 risk and protective factors selected from the study's literature review. For the 190 factors associated with follow-up adiposity from the data, propensity score matching was used to control for confounding of these factors. RESULTS Findings suggest that highest priority interventional targets across the domains surveyed are lowering specific nutrients; eating meals with others or during activities without skipping; parents fixing evening snacks; improving perceptions of non-extremes as the healthy weight; improving self-worth, physical activity and social competence; and limiting any negative impact of dieting relatives. Similar associations were observed for Black and White girls. CONCLUSION The clinical implications of these findings allow health practitioners to target behavioural change efforts and address social and environmental factors that have demonstrated higher prioritization value for early obesity interventional efforts for adolescents.
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Affiliation(s)
- A. Narla
- Division of Primary Care and Population HealthStanford University School of MedicineStanfordCAUSA
| | - D. H. Rehkopf
- Division of Primary Care and Population HealthStanford University School of MedicineStanfordCAUSA
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Majeed W, Thabit H. Translating patient related outcome measures into practice-lessons to be learnt. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:187. [PMID: 29951509 DOI: 10.21037/atm.2018.03.11] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Waseem Majeed
- Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Hood Thabit
- Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.,Division of Diabetes, Endocrinology and Gastroenterology, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
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Gene-by-Activity Interactions on Obesity Traits of 6-Year-Old New Zealand European Children: A Children of SCOPE Study. Pediatr Exerc Sci 2018; 30:69-80. [PMID: 28661716 DOI: 10.1123/pes.2017-0077] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
PURPOSE The decline of physical activity in children is considered an important determinant to explain the rising rates of obesity. However, this risk may be augmented in children who are genetically susceptible to increased weight gain. We hypothesized that a sedentary lifestyle and moderate activity will interact with genetic loci, resulting in differential effects in relation to obesity risk. METHODS We recruited 643 European children born to participants in the New Zealand-based Screening for Pregnancy Endpoints (SCOPE) study. Seventy gene variants were evaluated by the Sequenom assay. Interaction analyses were performed between the genetic variants and the activity type derived from actigraphy, in relation to percentage body fat. RESULTS We found a statistically significant association between increased proportions of sedentary activity with increased percentage body fat scores (P = .012). The OLFM4-9568856 (P = .01) and GNPDA2-rs10938397 (P = .044) gene variants showed genotype differences with proportions of sedentary activity. Similarly, the OLFM4-9568856 (P = .021), CLOCK-rs4864548 (P = .029), and LEPR-1045895 (P = .047) showed genotype differences with proportions of moderate activity. We found evidence for unadjusted gene-by-activity interactions of SPACA3/SPRASA-rs16967845, PFKP-rs6602024, and SH2B1-rs7498665 on percentage body fat scores. CONCLUSIONS These findings indicate a differential effect of physical activity in relation to obesity risk, suggesting that children genetically predisposed to increased weight gain may benefit from higher levels of moderate activity.
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Physical Activity, a Critical Exposure Factor of Environmental Pollution in Children and Adolescents Health Risk Assessment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15020176. [PMID: 29360730 PMCID: PMC5857044 DOI: 10.3390/ijerph15020176] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 01/15/2018] [Accepted: 01/16/2018] [Indexed: 12/20/2022]
Abstract
It is an extremely urgent problem that physical fitness promotion must face not only the increasing air pollution but also the decline of physical activity level of children and adolescents worldwide at present, which is the major reason that forms an inactive lifestyle and does harm to adolescents’ health. Thus, it is necessary to focus on the exposure factor in environmental health risk assessment (EHRA) which conducts supervision of environmental pollution and survey of adolescents’ activity patterns according to the harmful characteristics of air pollutant and relationship between dose and response. Some countries, such as USA, Canada and Australia, regard both respiratory rate and physical activity pattern as main exposure factors for adolescents in both air pollution health risk assessment and exercise risk assessment to forecast a safe exposing condition of pollutant for adolescents while they are doing exercise outdoors. In addition, it suggests that the testing indexes and testing methods of these two exposure factors, such as investigating the time of daily physical activity, strength, and characteristic of frequency, help to set up the quantitative relationship between environmental pollution index and the time, strength, frequency of daily activities, and formulate children’s and adolescents’ activity instructions under different levels of environmental pollutions. As smog becomes increasingly serious at present, it is meaningful to take physical activity as a critical composition of exposure factor and establish physical activity guideline, so as to reduce the risk of air pollution, and promote physical health of children and adolescents effectively.
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Lipsky LM, Nansel TR, Haynie DL, Liu D, Li K, Pratt CA, Iannotti RJ, Dempster KW, Simons-Morton B. Diet quality of US adolescents during the transition to adulthood: changes and predictors. Am J Clin Nutr 2017; 105:1424-1432. [PMID: 28446498 PMCID: PMC5445678 DOI: 10.3945/ajcn.116.150029] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 03/21/2017] [Indexed: 11/14/2022] Open
Abstract
Background: Influences on diet quality during the transition from adolescence to adulthood are understudied.Objective: This study examined association of 3 diet-quality indicators-Healthy Eating Index-2010 (HEI), Whole Plant Foods Density (WPF), and Empty Calories (EC; the percentage of calories from discretionary solid fat, added sugar and alcohol)-with lifestyle behaviors, baseline weight status, and sociodemographic characteristics in US emerging adults.Design: Data come from the first 4 waves (annual assessments) of the NEXT Plus Study, a population-based cohort of 10th graders enrolled in 2010 (n = 566). At each assessment, participants completed 3 nonconsecutive 24-h diet recalls, wore accelerometers for 7 d, and self-reported meal practices and sedentary behaviors. Self-reported sociodemographic characteristics were ascertained at baseline. Generalized estimating equations examined associations of time-varying diet quality with baseline weight status and sociodemographic characteristics and time-varying lifestyle behaviors.Results: Diet quality improved modestly from baseline (mean ± SE: HEI, 44.07 ± 0.53; WPF, 1.24 ± 0.04; and EC, 35.66 ± 0.55) to wave 4 for WPF (1.44 ± 0.05, P < 0.001) and EC (33.47 ± 0.52, P < 0.001), but not HEI (45.22 ± 0.60). In longitudinal analyses, higher HEI and lower EC scores were observed in Hispanic compared with white participants. Better diet quality was associated with greater moderate-to-vigorous physical activity, more frequent breakfast and family meals, less frequent fast food and meals during television viewing, and shorter durations of television viewing, gaming, and online social networking. Diet-quality indicators were not consistently associated with time-varying physical inactivity, baseline weight status, or sociodemographic characteristics.Conclusions: Diet quality of emerging adults in the US remained suboptimal, but some aspects improved marginally over the 4-y study period. Meal contexts and sedentary behaviors may represent important intervention targets. There is substantial room for improvement in diet quality in all sociodemographic subgroups. This trial was registered at clinicaltrials.gov as NCT01031160.
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Affiliation(s)
| | | | | | - Danping Liu
- Biostatistics and Bioinformatics Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD
| | - Kaigang Li
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO
| | - Charlotte A Pratt
- Division of Cardiovascular Sciences, National Heart, Lung and Blood Institute, Bethesda, MD; and
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