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Zhang L, Zhao L, Xiao X, Zhang X, He L, Zhang Q. Association of dietary carbohydrate and fiber ratio with postmenopausal bone mineral density and prevalence of osteoporosis: A cross-sectional study. PLoS One 2024; 19:e0297332. [PMID: 38354209 PMCID: PMC10866481 DOI: 10.1371/journal.pone.0297332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 01/03/2024] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND This study aimed to investigate the associations of carbohydrate to dietary fiber ratio with bone mineral density (BMD) and the prevalence of osteoporosis in postmenopausal women. METHODS This cross-sectional study retrieved the data of 2829 postmenopausal women from the National Health and Nutrition Examination Survey (NHANES) database. Weighted univariable logistic regression models were used to investigate the correlations of carbohydrate, dietary fiber, or carbohydrate to fiber ratio with osteoporosis. RESULTS Higher dietary fiber intake was correlated with decreased odds ratio of osteoporosis [odds ratio(OR) = 0.96, 95% confidence interval (CI): 0.93 to 0.99]. The odds ratio of osteoporosis in postmenopausal women was elevated as the increase of carbohydrate to fiber ratio (OR = 1.80, 95%CI: 1.10 to 2.96). Carbohydrate to fiber ratio >17.09 was related to increased odds ratio of osteoporosis (OR = 1.63, 95%CI: 1.04 to 2.56). Compared to the carbohydrate to fiber ratio ≤11.59 group, carbohydrate to fiber ratio >17.09 was associated with decreased total femur BMD (β = -0.015, 95%CI: -0.028 to -0.001) and femur neck BMD (β = -0.020, 95%CI: -0.033 to -0.006) in postmenopausal women. The femur neck BMD in postmenopausal women was decreased with the increase of carbohydrate to fiber ratio (β = -0.015, 95%CI: -0.028 to -0.001). CONCLUSION In postmenopausal women, a high carbohydrate/fiber ratio >17.09 is associated with an increased risk of osteoporosis and lower hip BMD and high fiber intake is associated with less osteoporosis and higher hip BMD.
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Affiliation(s)
- Lushuang Zhang
- Department of Obstetrics and Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Liubiqi Zhao
- Department of Obstetrics and Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xinyu Xiao
- Department of Obstetrics and Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaobin Zhang
- Department of Gynecology, Guangxi Guigang people’s Hospital, Guigang, China
| | - Li He
- Department of Obstetrics and Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Qiang Zhang
- Department of Obstetrics and Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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Deslippe AL, Bains A, Loiselle SE, Kasvis P, Mak I, Weiler H, Cohen TR. SMART goals of children of 6-12 years enrolled in a family-centred lifestyle intervention for childhood obesity: Secondary analysis of a randomized controlled trial. Pediatr Obes 2023; 18:e12973. [PMID: 36066248 DOI: 10.1111/ijpo.12973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 07/21/2022] [Accepted: 08/01/2022] [Indexed: 01/09/2023]
Abstract
This study demonstrates how SMART (Specific, Measurable, Attainable, Realistic and Timely) goals set by children in a lifestyle intervention contributed favorably to weight outcomes. Children (6-12 years) set goals with a registered dietitian over six months. Goals were classified according to their type (diet or activity), direction, (increase healthy or decrease unhealthy), and theoretical constructs. Theoretical constructs included the Theory of Planned Behavior's attitudes (i.e., changing beliefs about behaviour outcomes), subjective norm (i.e., incorporation of health recommendations) and perceived behavioural control (i.e., over goal barriers and facilitators). Constructs from a Socio-Ecological Model (family or individual) were also applied. Participants who maintained or decreased their body mass index for-age-and-sex z-scores (BAZ) after six months created significantly more goals related to the subjective norm compared to those whose BAZ increased (p = 0.003). Future interventions using SMART goals should incorporate health recommendations (i.e., the subjective norm) through actionable items among children to promote success.
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Affiliation(s)
- Alysha L Deslippe
- The University of British Columbia, Faculty of Land and Food Systems, Vancouver, British Columbia, Canada.,BC Children's Hospital Research Institute, Healthy Starts, Vancouver, British Columbia, Canada
| | - Andy Bains
- The University of British Columbia, Faculty of Land and Food Systems, Vancouver, British Columbia, Canada
| | | | - Popi Kasvis
- Clinical Nutrition, McGill University Health Centre, Montreal, Quebec, Canada
| | - Ivy Mak
- Department of Family Medicine and Primary Care, The University of Hong Kong Li Ka Shing Faculty of Medicine, Hong Kong
| | - Hope Weiler
- McGill University, School of Human Nutrition, Montreal, Quebec, Canada
| | - Tamara R Cohen
- The University of British Columbia, Faculty of Land and Food Systems, Vancouver, British Columbia, Canada.,BC Children's Hospital Research Institute, Healthy Starts, Vancouver, British Columbia, Canada
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Moretti A, Liguori S, Paoletta M, Migliaccio S, Toro G, Gimigliano F, Iolascon G. Bone fragility during the COVID-19 pandemic: the role of macro- and micronutrients. Ther Adv Musculoskelet Dis 2023; 15:1759720X231158200. [PMID: 36937822 PMCID: PMC10015293 DOI: 10.1177/1759720x231158200] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 02/01/2023] [Indexed: 03/18/2023] Open
Abstract
Bone fragility is the susceptibility to fracture due to poor bone strength. This condition is usually associated with aging, comorbidities, disability, poor quality of life, and increased mortality. International guidelines for the management of patients with bone fragility include a nutritional approach, mainly aiming at optimal protein, calcium, and vitamin D intakes. Several biomechanical features of the skeleton, such as bone mineral density (BMD), trabecular and cortical microarchitecture, seem to be positively influenced by micro- and macronutrient intake. Patients with major fragility fractures are usually poor consumers of dairy products, fruit, and vegetables as well as of nutrients modulating gut microbiota. The COVID-19 pandemic has further aggravated the health status of patients with skeletal fragility, also in terms of unhealthy dietary patterns that might adversely affect bone health. In this narrative review, we discuss the role of macro- and micronutrients in patients with bone fragility during the COVID-19 pandemic.
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Affiliation(s)
| | - Sara Liguori
- Department of Medical and Surgical Specialties
and Dentistry, University of Campania “Luigi Vanvitelli”, Naples,
Italy
| | - Marco Paoletta
- Department of Medical and Surgical Specialties
and Dentistry, University of Campania “Luigi Vanvitelli”, Naples,
Italy
| | - Silvia Migliaccio
- Department of Movement, Human and Health
Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Giuseppe Toro
- Department of Medical and Surgical Specialties
and Dentistry, University of Campania “Luigi Vanvitelli”, Naples,
Italy
| | - Francesca Gimigliano
- Department of Physical and Mental Health and
Preventive Medicine, University of Campania “Luigi Vanvitelli”, Naples,
Italy
| | - Giovanni Iolascon
- Department of Medical and Surgical Specialties
and Dentistry, University of Campania “Luigi Vanvitelli”, Naples,
Italy
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4
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Cohen TR, Mak IL, Loiselle SE, Kasvis P, Hazell TJ, Vanstone CA, Rodd C, Weiler HA. Changes in Adiposity without Impacting Bone Health in Nine- to Twelve-Year-Old Children with Overweight and Obesity after a One-Year Family-Centered Lifestyle Behavior Intervention. Child Obes 2023; 19:46-56. [PMID: 35384736 DOI: 10.1089/chi.2022.0008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Background: Few family-centered lifestyle interventions (FCLIs) for children with overweight or obesity (OW/OB) have assessed regional adiposity and bone health. This study assessed changes in adiposity in 9- to 12-year olds with OW/OB in a 1-year FCLI. Methods: Children were randomized to FCLI (six registered dietitian-led sessions) or no intervention (Control, CTRL). The FCLI focused on physical activity, nutrition education, and behavioral counseling children with families present. Assessments occurred at baseline and every 3 months for 1 year to assess changes in waist circumference (WC), body mass index for age-and-sex Z-scores (BAZ), body composition (dual-energy x-ray absorptiometry), and cardiometabolic biomarkers. Mixed models were used to determine the effects of group and time or group-by-time interactions for all outcomes. Results: Sixty children (age: 11.1 ± 1.1 years, BAZ: 2.7 ± 0.6) were enrolled; 55 participants (n = 28 CTRL, n = 27 FCLI) completed the study. There were no between group differences from baseline to follow-up for any measure. The FCLI group had significant decreases in BAZ over 12 months (-0.18 ± 0.27, p = 0.03) but not CTRL (-0.05 ± 0.32, p = 0.92). WC and android fat mass did not change in FCLI (p > 0.20) but increased in CTRL (p < 0.02). Whole body bone area, content, and areal bone mineral density (aBMD) increased in both groups (p < 0.010); whole body aBMD Z-score decreased by 5.8% and 1.6% in CTRL and FCLI, respectively (p < 0.001). There were no significant within group changes in biomarkers. Conclusion: The FCLI resulted in small reductions in BAZ and a plateau in android fat mass, which suggest that FCLIs are suitable as an intervention for 9- to 12-year-old children with OW/OB. Clinical Trial Registration number: NCT01290016.
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Affiliation(s)
- Tamara R Cohen
- Faculty of Land and Food Systems, Food Nutrition and Health, University of British Columbia, Vancouver, British Columbia, Canada. Healthy Starts, Vancouver, British Columbia, Canada.,British Columbia Children's Hospital Research Unit, Healthy Starts, Vancouver, British Columbia, Canada
| | - Ivy L Mak
- Department of Family Medicine and Primary Care, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - Sarah-Eve Loiselle
- Department of Clinical Nutrition, McGill University Health Centre, Montreal, Québec, Canada
| | - Popi Kasvis
- Department of Family Medicine and Primary Care, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - Tom J Hazell
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada
| | - Catherine A Vanstone
- School of Human Nutrition, Macdonald Campus, McGill University, Sainte-Anne-de-Bellevue, Québec, Canada
| | - Celia Rodd
- Department of Pediatrics and Child Health, Children's Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Hope A Weiler
- School of Human Nutrition, Macdonald Campus, McGill University, Sainte-Anne-de-Bellevue, Québec, Canada
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Associations between Body Composition and Vitamin D Status in Children with Overweight and Obesity Participating in a 1-Year Lifestyle Intervention. Nutrients 2022; 14:nu14153153. [PMID: 35956333 PMCID: PMC9370728 DOI: 10.3390/nu14153153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/27/2022] [Accepted: 07/27/2022] [Indexed: 02/01/2023] Open
Abstract
Background: To examine associations between body composition and vitamin D status in children participating in a lifestyle intervention. Methods: Children (6−12 y, n = 101) with a body mass index (BMI)-for-age >85th percentile were randomized to six dietitian-led behavior counselling sessions or no intervention. Plasma 25-hydroxyvitamin D (25(OH)D), anthropometry, and body composition using dual-energy X-ray absorptiometry were assessed every 3 months for 1 year. For each anthropometry variable (z-scores), tertiles were created to test for differences in 25(OH)D over time (tertile-by-time), and for changes in the z-score (loss, maintain, gain)-by-time, and according to fat patterning (android vs. gynoid) using mixed effects models. Results: The baseline plasma 25(OH)D was 62.2 nmol/L (95%CI: 58.7−65.7), and none < 30 nmol/L. At 6 mo, children with gynoid fat patterning had higher 25(OH)D concentrations than in those with android fat patterning (64.5 ± 1.1 nmol/L vs. 50.4 ± 1.0 nmol/L, p < 0.003, Cohen’s f = 0.20). Children with the lowest lean mass index z-score at 9 mo had higher plasma 25(OH)D concentrations than children with the highest z-score at baseline, 3 mo, and 6 mo (p < 0.05, Cohen’s f = 0.20). No other significant differences were observed. Conclusion: In this longitudinal study, vitamin D deficiency was not present in children 6−12 y of age with obesity. Reductions in adiposity did not alter the vitamin D status.
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The Role of Macronutrients, Micronutrients and Flavonoid Polyphenols in the Prevention and Treatment of Osteoporosis. Nutrients 2022; 14:nu14030523. [PMID: 35276879 PMCID: PMC8839902 DOI: 10.3390/nu14030523] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/21/2022] [Accepted: 01/23/2022] [Indexed: 12/12/2022] Open
Abstract
Osteoporosis is considered an age-related disorder of the skeletal system, characterized primarily by decreased bone mineral density (BMD), microstructural quality and an elevated risk of fragility fractures. This silent disease is increasingly becoming a global epidemic due to an aging population and longer life expectancy. It is known that nutrition and physical activity play an important role in skeletal health, both in achieving the highest BMD and in maintaining bone health. In this review, the role of macronutrients (proteins, lipids, carbohydrates), micronutrients (minerals—calcium, phosphorus, magnesium, as well as vitamins—D, C, K) and flavonoid polyphenols (quercetin, rutin, luteolin, kaempferol, naringin) which appear to be essential for the prevention and treatment of osteoporosis, are characterized. Moreover, the importance of various naturally available nutrients, whether in the diet or in food supplements, is emphasized. In addition to pharmacotherapy, the basis of osteoporosis prevention is a healthy diet rich mainly in fruits, vegetables, seafood and fish oil supplements, specific dairy products, containing a sufficient amount of all aforementioned nutritional substances along with regular physical activity. The effect of diet alone in this context may depend on an individual’s genotype, gene-diet interactions or the composition and function of the gut microbiota.
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7
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Mak IL, Cohen TR, Vanstone CA, Weiler HA. Increased adiposity in children with obesity is associated with low red blood cell omega-3 fatty acid status and inadequate polyunsaturated fatty acid dietary intake. Pediatr Obes 2020; 15:e12689. [PMID: 32662950 DOI: 10.1111/ijpo.12689] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 03/13/2020] [Accepted: 05/18/2020] [Indexed: 01/15/2023]
Abstract
The association between total dietary fat intake and measures of body fatness in children with obesity remains inconsistent. This study aimed to determine whether dietary long-chain polyunsaturated fatty acids (LCPUFA) and LCPUFA status relate to body composition in children with obesity. Children (n = 63, 9.0 ± 0.2 year, BMI Z-score 3.1 ± 0.2) were divided into tertiles of percentage body fat assessed by dual-energy X-ray absorptiometry. Diet was assessed 3-days food diaries. Fatty acid proportions in red blood cells (RBC) were measured by gas chromatography. Data stratified by sex and Tanner stages were compared with a MIXED model ANOVA. Associations between RBC fatty acid status and dietary intakes were examined with Spearman correlation. Moderate correlations were observed between RBC eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) proportions, dietary EPA and DHA (r = 0.39, P < .05) as well as fish servings (r = 0.33, P < .05). Dietary LCPUFA did not differ among tertiles. Children in tertile 3 had lower RBC α-linolenic acid (-40%) and EPA + DHA (-15%) proportions adjusted for age, Tanner stages and race compared with tertile 1. The lower omega-3 LCPUFA status in children with greater adiposity is consistent with suboptimal intakes of omega-3 LCPUFA and fish in the diet.
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Affiliation(s)
- Ivy L Mak
- School of Human Nutrition, McGill University, Montreal, Quebec, Canada
| | - Tamara R Cohen
- Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Hope A Weiler
- School of Human Nutrition, McGill University, Montreal, Quebec, Canada
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8
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Mak IL, Cohen TR, Vanstone CA, Weiler HA. Arachidonic acid status negatively associates with forearm bone outcomes and glucose homeostasis in children with an overweight condition or obesity. Appl Physiol Nutr Metab 2020; 45:146-154. [PMID: 31269410 DOI: 10.1139/apnm-2019-0046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2023]
Abstract
Long-chain polyunsaturated fatty acids are implicated in musculoskeletal health in adults. This study examined whether fatty acid status relates to bone health outcomes in children with overweight condition or obesity (body mass index z score, 3.1 ± 0.1; age, 9.0 ± 0.2 years; n = 108). Nondominant forearm bone density (distal one-third), geometry (4% site), and soft tissue composition (66%) were assessed using dual-energy X-ray absorptiometry and peripheral quantitative computed tomography. Red blood cell (RBC) fatty acid profile and indices of glucose homeostasis were measured. Differences in outcomes among RBC arachidonic acid (AA, C20:4n-6) tertiles were tested using mixed-model ANOVA. Ultra-, mid-, and total-distal forearm bone mineral content, adjusted for sex, age, percentage body fat, race, and forearm length, were 10% to 13% greater in children in the first AA tertile relative to the third. Children in the second tertile had the highest bone cross-sectional area and estimated strength at the 66% radius. Muscle cross-sectional area was 15% lower in the third tertile compared with the first, along with higher fasting insulin concentrations (27%) and homeostasis model of assessment estimate of insulin resistance (31%). Higher RBC AA status aligns with deficits in forearm bone mass, geometry, and muscle mass in children with excess adiposity and early signs of insulin resistance. Novelty Higher arachidonic acid status is associated with lower forearm bone mass in children with overweight condition or obesity. Children with higher arachidonic acid status had increased fasting insulin concentrations and indices of insulin resistance.
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Affiliation(s)
- Ivy L Mak
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
| | - Tamara R Cohen
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
- PERFORM Centre, Concordia University, Montreal, QC H4B 1R6, Canada
| | - Catherine A Vanstone
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
| | - Hope A Weiler
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
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Pippi R, Buratta L, Ranucci C, Cavallina C, Aiello C, Reginato E, De Feo P, Biscarini A, Fanelli C, Mazzeschi C. An intensive lifestyle intervention in children with attention-deficit/hyperactivity disorder. GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE 2019. [DOI: 10.23736/s0393-3660.18.03931-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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10
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Khani Jeihooni A, Ghasemi M, Mobaraei AH, Jamshidi H, Afzali Harsini P. The Application of PRECEDE Model on Preventing Osteoporosis in Women. Clin Nurs Res 2019; 30:241-252. [PMID: 31434510 DOI: 10.1177/1054773819865874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aim of this study is investigating the efficiency of educational intervention based on PRECEDE model on promotion of osteoporosis prevention behaviors in women. This quasi-experimental study was conducted on 200 women registered in two health centers of Fasa city, Fars province, Iran in 2017 to 2018. A questionnaire including items evaluating demographic information and PRECEDE model constructs was used for measuring nutrition and walking performance of studied women in osteoporosis prevention before and 12 months after intervention. Bone mineral density (BMD) was recorded at the lumbar spine and femur before and 12 months after intervention. One year after intervention, the intervention group showed a significant increase in knowledge, attitude, self-efficacy, reinforcing factors, enabling factors, nutrition, and walking performance compared to the control group. Also, the value of lumbar spine and hip BMD T-Score of the intervention group was increased, while this value was reduced in the control group. Our findings showed that educational interventions based on PRECEDE model can positively affect prevention behaviors from osteoporosis by improving subjects' knowledge, attitude, enabling factors (resources such as health care access and services that can provide motivation for prevention behaviors from osteoporosis in women), self-efficacy, and reinforcing factors.
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Affiliation(s)
- Ali Khani Jeihooni
- Department of Public Health, School of Health, Fasa University of Medical Sciences, Fasa, Iran
| | - Maryam Ghasemi
- Department of Public Health, School of Health, Fasa University of Medical Sciences, Fasa, Iran
| | - Amir Hossein Mobaraei
- Department of Public Health, School of Health, Fasa University of Medical Sciences, Fasa, Iran
| | - Hassan Jamshidi
- Department of Public Health, School of Health, Fasa University of Medical Sciences, Fasa, Iran
| | - Pooyan Afzali Harsini
- Department of Public Health, School of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Filgueiras AR, Sawaya AL. INTERVENÇÃO MULTIDISCIPLINAR E MOTIVACIONAL PARA TRATAMENTO DE ADOLESCENTES OBESOS BRASILEIROS DE BAIXA RENDA: ESTUDO PILOTO. REVISTA PAULISTA DE PEDIATRIA 2018; 36:186-191. [PMID: 29694491 PMCID: PMC6038782 DOI: 10.1590/1984-0462/;2018;36;2;00014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Accepted: 07/28/2017] [Indexed: 12/28/2022]
Abstract
Objective: To test a multidisciplinary and motivational intervention for the treatment
of Brazilian obese and low-income adolescents (Z score>2 BMI-for-age)
that used nutritional counseling without dietary control. Methods: An intervention protocol was developed including periodical nutritional
education workshops, individual nutritional counseling guided by the stages
of eating behavior of the Trans Theoretical Model of Behavior Change,
physical exercise, psychological counseling, recreational activities, and
clinical follow-up for 13 months in a sample of 21 adolescents (11-17 years
old). Results: The rate of treatment withdrawal (9.5%) was lower than that seen in dietary
control studies (30-60%). Initially, 70% of the sample was in the
pre-contemplation behavior stage and, in the end, 100% of the remaining
adolescents were in the stages of action or maintenance. There was a mean
reduction in BMI-for-age (p=0.038) and visceral fat (M±SD=3.67±1.19 and
2.78±0.78 cm, p=0.02, initial and final, respectively). The percentage of
fat mass decreased and that of lean mass increased (42±5 and 38±8, p=0.04,
58±6 and 61±8%, p=0.03, respectively). Conclusions: The intervention seems to be effective in generating a lifestyle change,
accompanied by anthropometric profile and body composition improvement. The
intervention protocol may offer easy adaptation and low-cost methodology for
health services, with high adherence and low abandonment rates.
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12
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Changes in eating behavior and plasma leptin in children with obesity participating in a family-centered lifestyle intervention. Appetite 2018; 125:81-89. [PMID: 29410008 DOI: 10.1016/j.appet.2018.01.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 01/15/2018] [Accepted: 01/16/2018] [Indexed: 12/15/2022]
Abstract
The goal of childhood obesity lifestyle interventions are to positively change body composition, however it is unknown if interventions also modulate factors that are related to energy intake. This study aimed to examine changes in eating behaviors and plasma leptin concentrations in overweight and obese children participating in a 1-year family-centered lifestyle intervention. Interventions were based on Canadian diet and physical activity (PA) guidelines. Children were randomized to 1 of 3 groups: Control (Ctrl; no intervention), Standard treatment (StnTx: 2 servings milk and alternatives/day (d), 3x/wk weight-bearing PA), or Modified treatment (ModTx: 4 servings milk and alternatives/day; daily weight-bearing PA). Study visits occurred every 3-months for 1-y; interventions were held once a month for 6-months with one follow-up visit at 8-months. Ctrl received counselling after 1-y. Caregivers completed the Children's Eating Behavior Questionnaire (CEBQ) and reported on diet and activity. Plasma leptin were measured from morning fasted blood samples. Seventy-eight children (mean age 7.8 ± 0.8 y; mean BMI 24.4 ± 3.3 kg/m2) participated; 94% completed the study. Compared to baseline, at 6-months StnTx reduced Emotional Overeating and Desire to Drink scores (p < 0.05) while Food Responsiveness scores were reduced in both StnTx and ModTx (p < 0.05). At 1-year, scores for Desire to Drink in StnTx remained reduced compared to baseline (p < 0.05). Plasma leptin concentrations were significantly lower in ModTx at 6-months compared to baseline (p < 0.05). This study resulted in intervention groups favorably changing eating behaviors, supporting the use family-centered lifestyle interventions using Canadian diet and PA recommendations for children with obesity.
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Cohen TR, Hazell TJ, Vanstone CA, Rodd C, Weiler HA. Bone Health is Maintained, While Fat Mass is Reduced in Pre-pubertal Children with Obesity Participating in a 1-Year Family-Centered Lifestyle Intervention. Calcif Tissue Int 2017; 101:612-622. [PMID: 28866763 DOI: 10.1007/s00223-017-0318-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 08/23/2017] [Indexed: 12/18/2022]
Abstract
Diet and physical activity (PA) influence bone health in children. This study tested whether increasing milk and milk products and weight-bearing types of PA favorably changed bone outcomes assessed by dual-energy X-ray absorptiometry (DXA) and bone biomarkers in children with obesity participating in a 1-year family-centered lifestyle intervention. Children were randomized to one of three groups: Control (Ctrl; no intervention), Standard treatment (StnTx: two servings milk and milk products/day; meet PA guidelines plus weight-bearing PA three times/week), or Modified treatment (ModTx: four servings milk and milk products/day; meet PA guidelines plus daily weight-bearing PA). Baseline and 12-month measurements included DXA scans for whole body (WB), lumbar spine (LS), lumbar lateral spine (LLS), and ultra-distal (UD) ulna + radius for bone mineral content (BMC), areal bone mineral density (aBMD) and BMD z-scores. Fat mass index (FMI), fat-free mass index (FFMI), and biomarkers of bone metabolism were assessed. Seventy-eight children 6-8 years old were recruited (mean body mass index for-age z-score: 3.3 ± 1.2). Compared to baseline, all groups increased BMC of WB, LS, and LLS (p < 0.001), whereas only StnTx increased UD ulna + radius BMC at 12 months (p < 0.05). At 12 months, WB-BMD z-scores were significantly lower in Ctrl (p < 0.05), whereas WB and LLS aBMD increased in StnTx and ModTx (p < 0.001) but not in Ctrl. All groups increased FFMI (p < 0.001), while only Ctrl increased FMI (p < 0.001). Bone biomarkers did not change over time. Participating in a family-centered lifestyle intervention based on Canadian diet and PA guidelines maintained bone health in obese children.
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Affiliation(s)
- Tamara R Cohen
- School of Human Nutrition, Macdonald Campus, McGill University, 21,111 Lakeshore Rd, Sainte-Anne-de-Bellevue, QC, H9X 3V9, Canada
| | - Tom J Hazell
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, 75 University Avenue West, Waterloo, ON, N2L 3C5, Canada
| | - Catherine A Vanstone
- School of Human Nutrition, Macdonald Campus, McGill University, 21,111 Lakeshore Rd, Sainte-Anne-de-Bellevue, QC, H9X 3V9, Canada
| | - Celia Rodd
- Children's Hospital, University of Manitoba, FW302-685 William Ave, Winnipeg, MB, R3E 0Z2, Canada
| | - Hope A Weiler
- School of Human Nutrition, Macdonald Campus, McGill University, 21,111 Lakeshore Rd, Sainte-Anne-de-Bellevue, QC, H9X 3V9, Canada.
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Mead E, Brown T, Rees K, Azevedo LB, Whittaker V, Jones D, Olajide J, Mainardi GM, Corpeleijn E, O'Malley C, Beardsmore E, Al‐Khudairy L, Baur L, Metzendorf M, Demaio A, Ells LJ. Diet, physical activity and behavioural interventions for the treatment of overweight or obese children from the age of 6 to 11 years. Cochrane Database Syst Rev 2017; 6:CD012651. [PMID: 28639319 PMCID: PMC6481885 DOI: 10.1002/14651858.cd012651] [Citation(s) in RCA: 210] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Child and adolescent overweight and obesity has increased globally, and can be associated with significant short- and long-term health consequences. This is an update of a Cochrane review published first in 2003, and updated previously in 2009. However, the update has now been split into six reviews addressing different childhood obesity treatments at different ages. OBJECTIVES To assess the effects of diet, physical activity and behavioural interventions (behaviour-changing interventions) for the treatment of overweight or obese children aged 6 to 11 years. SEARCH METHODS We searched CENTRAL, MEDLINE, Embase, PsycINFO, CINAHL, LILACS as well as trial registers ClinicalTrials.gov and ICTRP Search Portal. We checked references of studies and systematic reviews. We did not apply any language restrictions. The date of the last search was July 2016 for all databases. SELECTION CRITERIA We selected randomised controlled trials (RCTs) of diet, physical activity, and behavioural interventions (behaviour-changing interventions) for treating overweight or obese children aged 6 to 11 years, with a minimum of six months' follow-up. We excluded interventions that specifically dealt with the treatment of eating disorders or type 2 diabetes, or included participants with a secondary or syndromic cause of obesity. DATA COLLECTION AND ANALYSIS Two review authors independently screened references, extracted data, assessed risk of bias, and evaluated the quality of the evidence using the GRADE instrument. We contacted study authors for additional information. We carried out meta-analyses according to the statistical guidelines in the Cochrane Handbook for Systematic Reviews of Interventions. MAIN RESULTS We included 70 RCTs with a total of 8461 participants randomised to either the intervention or control groups. The number of participants per trial ranged from 16 to 686. Fifty-five trials compared a behaviour-changing intervention with no treatment/usual care control and 15 evaluated the effectiveness of adding an additional component to a behaviour-changing intervention. Sixty-four trials were parallel RCTs, and four were cluster RCTs. Sixty-four trials were multicomponent, two were diet only and four were physical activity only interventions. Ten trials had more than two arms. The overall quality of the evidence was low or very low and 62 trials had a high risk of bias for at least one criterion. Total duration of trials ranged from six months to three years. The median age of participants was 10 years old and the median BMI z score was 2.2.Primary analyses demonstrated that behaviour-changing interventions compared to no treatment/usual care control at longest follow-up reduced BMI, BMI z score and weight. Mean difference (MD) in BMI was -0.53 kg/m2 (95% confidence interval (CI) -0.82 to -0.24); P < 0.00001; 24 trials; 2785 participants; low-quality evidence. MD in BMI z score was -0.06 units (95% CI -0.10 to -0.02); P = 0.001; 37 trials; 4019 participants; low-quality evidence and MD in weight was -1.45 kg (95% CI -1.88 to -1.02); P < 0.00001; 17 trials; 1774 participants; low-quality evidence.Thirty-one trials reported on serious adverse events, with 29 trials reporting zero occurrences RR 0.57 (95% CI 0.17 to 1.93); P = 0.37; 4/2105 participants in the behaviour-changing intervention groups compared with 7/1991 participants in the comparator groups). Few trials reported health-related quality of life or behaviour change outcomes, and none of the analyses demonstrated a substantial difference in these outcomes between intervention and control. In two trials reporting on minutes per day of TV viewing, a small reduction of 6.6 minutes per day (95% CI -12.88 to -0.31), P = 0.04; 2 trials; 55 participants) was found in favour of the intervention. No trials reported on all-cause mortality, morbidity or socioeconomic effects, and few trials reported on participant views; none of which could be meta-analysed.As the meta-analyses revealed substantial heterogeneity, we conducted subgroup analyses to examine the impact of type of comparator, type of intervention, risk of attrition bias, setting, duration of post-intervention follow-up period, parental involvement and baseline BMI z score. No subgroup effects were shown for any of the subgroups on any of the outcomes. Some data indicated that a reduction in BMI immediately post-intervention was no longer evident at follow-up at less than six months, which has to be investigated in further trials. AUTHORS' CONCLUSIONS Multi-component behaviour-changing interventions that incorporate diet, physical activity and behaviour change may be beneficial in achieving small, short-term reductions in BMI, BMI z score and weight in children aged 6 to 11 years. The evidence suggests a very low occurrence of adverse events. The quality of the evidence was low or very low. The heterogeneity observed across all outcomes was not explained by subgrouping. Further research is required of behaviour-changing interventions in lower income countries and in children from different ethnic groups; also on the impact of behaviour-changing interventions on health-related quality of life and comorbidities. The sustainability of reduction in BMI/BMI z score and weight is a key consideration and there is a need for longer-term follow-up and further research on the most appropriate forms of post-intervention maintenance in order to ensure intervention benefits are sustained over the longer term.
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Affiliation(s)
- Emma Mead
- Teesside UniversityHealth and Social Care InstituteMiddlesbroughUKTS1 3BA
| | - Tamara Brown
- Teesside UniversityHealth and Social Care InstituteMiddlesbroughUKTS1 3BA
- Durham University Queen's CampusSchool of Medicine, Pharmacy and HealthDurhamUKTS17 6BH
| | - Karen Rees
- Warwick Medical School, University of WarwickDivision of Health SciencesCoventryUKCV4 7AL
| | - Liane B Azevedo
- Teesside UniversityHealth and Social Care InstituteMiddlesbroughUKTS1 3BA
| | - Victoria Whittaker
- Teesside UniversityHealth and Social Care InstituteMiddlesbroughUKTS1 3BA
| | - Dan Jones
- Teesside UniversityHealth and Social Care InstituteMiddlesbroughUKTS1 3BA
| | - Joan Olajide
- Teesside UniversityHealth and Social Care InstituteMiddlesbroughUKTS1 3BA
| | - Giulia M Mainardi
- School of Medicine, University of São PauloDepartment of Preventive MedicineSão PauloBrazilCEP 01246 903
| | - Eva Corpeleijn
- University Medical Centre GroningenDepartment of EpidemiologyHanzeplein 1GroningenNetherlands9713 GZ
| | - Claire O'Malley
- Durham University Queen's CampusSchool of Medicine, Pharmacy and HealthDurhamUKTS17 6BH
| | | | - Lena Al‐Khudairy
- Warwick Medical School, University of WarwickDivision of Health SciencesCoventryUKCV4 7AL
| | - Louise Baur
- The University of SydneyDepartment of Paediatrics and Child HealthLocked Bag 4001WestmeadAustraliaNSW 2145
| | - Maria‐Inti Metzendorf
- Institute of General Practice, Medical Faculty of the Heinrich‐Heine‐University DüsseldorfCochrane Metabolic and Endocrine Disorders GroupMoorenstr. 5DüsseldorfGermany40225
| | | | - Louisa J Ells
- Teesside UniversityHealth and Social Care InstituteMiddlesbroughUKTS1 3BA
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Nutritional Aspects of Bone Health and Fracture Healing. J Osteoporos 2017; 2017:4218472. [PMID: 29464131 PMCID: PMC5804294 DOI: 10.1155/2017/4218472] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 10/25/2017] [Accepted: 11/15/2017] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION Fractures are quite common, especially among the elderly. However, they can increase in prevalence in younger ages too if the bone health is not good. This may happen as a result of bad nutrition. METHODS A customized, retrospective review of available literature was performed using the following keywords: bone health, nutrition, and fractures. RESULTS Insufficient intake of certain vitamins, particularly A and D, and other nutrients, such as calcium, may affect bone health or even the time and degree of bone healing in case of fracture. The importance of different nutrients, both dietary and found in food supplements, is discussed concerning bone health and fracture healing. CONCLUSION A healthy diet with adequate amounts of both macro- and micronutrients is essential, for both decreasing fracture risk and enhancing the healing process after fracture.
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Cohen TR, Hazell TJ, Vanstone CA, Rodd C, Weiler HA. A family-centered lifestyle intervention for obese six- to eight-year-old children: Results from a one-year randomized controlled trial conducted in Montreal, Canada. Canadian Journal of Public Health 2016; 107:e453-e460. [PMID: 28026713 DOI: 10.17269/cjph.107.5470] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 09/21/2016] [Accepted: 07/16/2016] [Indexed: 01/09/2023]
Abstract
OBJECTIVES Childhood obesity interventions should be family-centered and focused on lifestyle behaviours that achieve sustainable reductions in adiposity. The primary objective of this randomized controlled trial was to test a family-centered lifestyle intervention using Canada's Food and Physical Activity (PA) Guidelines to reduce body mass index-for-age z-scores (BAZ) in overweight and obese (OW/OB) children. METHODS Children (n = 78; ages 6-8.5 years) were randomized to standard (StnTx) or modified (ModTx) interventions or control (Ctrl). Measurements at baseline and every three months for one year included: anthropometry, BAZ, waist circumference (WC), and dual-energy X-ray absorptiometry scans for percent body fat (%BF), fat mass (FM) and trunk fat mass. Fatty acids measured by gas chromatography were used to assess compliance to the milk and alternatives interventions during the first six months. Six intervention sessions were based on Canada's Food and PA Guidelines and individualized to meet the needs of the family. ModTx were advised to consume four milk and alternatives/day versus the recommended two (StnTx) and to preferentially engage in daily weight-bearing PA. Ctrl were provided the guidelines. RESULTS Baseline anthropometry did not differ among groups. At 12 months (n = 73), all groups increased height (p < 0.001) and lean mass (p < 0.001). ModTx decreased BAZ (p < 0.001); %BF decreased in ModTx (p = 0.018), but not in StnTx (p = 0.997) or Ctrl (p = 0.998). FM, WC and trunk fat mass all significantly increased in Ctrl (p < 0.001). At baseline and three months, fatty acids did not differ among groups, however they did decrease in ModTx at six months [C14:0 (-0.07%, p = 0.053), C15:0 (-0.04%, p = 0.049), C17:0 (-0.09%, p = 0.036)]. CONCLUSION Participating in a family centered-lifestyle intervention that focused on Canadian dietary and PA Guidelines and emphasized increasing milk and alternatives and weight-bearing PA had positive effects on reducing adiposity in OW/OB children. Guidelines are appropriate for the obese pediatric population but need to be individualized to meet the needs of the family. Additional studies are warranted to test the use of biochemical indices to assess compliance to milk and alternative intakes in OW/OB children participating in lifestyle interventions.
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Affiliation(s)
- Tamara R Cohen
- School of Dietetics and Human Nutrition, Macdonald Campus, McGill University.
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17
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Hazell TJ, Ellery CVL, Cohen TR, Vanstone CA, Rodd CJ, Weiler HA. Assessment of pedometer accuracy in capturing habitual types of physical activities in overweight and obese children. Pediatr Res 2016; 80:686-692. [PMID: 27486704 DOI: 10.1038/pr.2016.133] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 05/11/2016] [Indexed: 11/09/2022]
Abstract
BACKGROUND Currently, there is a limited amount of research exploring physical activity measurement tools in overweight and obese (OW/OB) children using pedometers. Thus, our objective was to determine the accuracy of one spring-levered (SC-T2) and two piezoelectric pedometers (NL-1000 and Piezo) in OW/OB children. METHODS A total of 26 boys and 34 girls (n = 60) participated. Pedometer step-counts were compared to observed step counts for walking (walking, stair ascent and decent) and hopping tests. Pedometer accuracies were compared with Friedman tests while Bland-Altman plots were used to establish the accuracy of each pedometer against direct observations. RESULTS Boys (n = 26) and females (n = 34) were 96 and 91% OB, respectively. The two piezoelectric pedometers (NL-1000 and Piezo) were accurate for walking and stair climbing tasks, however all pedometers were inaccurate for hopping tests. Averaged over all three walking activities, the NL-1000 was the most accurate with 6.7% median error (interquartile range (IQR): 0.0-13.3); followed by the Piezo with 10.0% median error (IQR: 3.3-18.1); SC-T2 was the least accurate with -14.7% median error (IQR: -54.8-3.5). CONCLUSION These results support the use of the piezoelectric pedometers for walking and stair climbing types of activities, which are typical for OW/OB children in a nonlaboratory setting.
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Affiliation(s)
- Tom J Hazell
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada
| | - Caitlin V L Ellery
- School of Dietetics and Human Nutrition, McGill University, Montreal, Québec, Canada
| | - Tamara R Cohen
- School of Dietetics and Human Nutrition, McGill University, Montreal, Québec, Canada
| | - Catherine A Vanstone
- School of Dietetics and Human Nutrition, McGill University, Montreal, Québec, Canada
| | - Celia J Rodd
- Children's Hospital, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Hope A Weiler
- School of Dietetics and Human Nutrition, McGill University, Montreal, Québec, Canada
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Soltani S, Hunter GR, Kazemi A, Shab-Bidar S. The effects of weight loss approaches on bone mineral density in adults: a systematic review and meta-analysis of randomized controlled trials. Osteoporos Int 2016; 27:2655-2671. [PMID: 27154437 DOI: 10.1007/s00198-016-3617-4] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 04/26/2016] [Indexed: 12/15/2022]
Abstract
UNLABELLED We assessed the impact of weight loss strategies including calorie restriction and exercise training on BMD in adults using a systematic review of randomized controlled trials. Weight reduction results in reduced BMD at the hip, but has less effect on the spine. Both calorie restriction and a combination of calorie restriction and exercise result in a decrease in hip bone density, whereas weight loss response to exercise training without dietary restriction leads to increased hip BMD. INTRODUCTION Findings are not consistent on the effect of weight loss on bone mineral density (BMD). We conducted a systematic review on the randomized controlled trials to assess the effect of weight loss strategies, including calorie restriction and exercise programs on BMD in adults. METHODS A structured and comprehensive search of MEDLINE and EMBASE databases was undertaken up to March 2016. Study-specific mean differences (MD) were pooled using a random-effects model. Subgroup analysis and meta-regression were used to find possible sources of between-study heterogeneity. RESULTS Thirty-two randomized controlled trials met predetermined inclusion criteria. The meta-analysis revealed no significant difference on total BMD (MD 0.007, 95 % CI -0.020-0.034, p = 0.608). In contrast, the pooled data of studies showed a significant effect of weight loss on hip BMD (MD -0.008, 95 % CI -0.09 to -0.006 g/cm(2), p < 0.001) and also lumbar spine BMD (MD -0.018 g/cm(2), 95 % CI -0.019 to -0.017, p < 0.001). BMD in the hip site decreased after more than 4 months, especially in those who were obese. Moreover, calorie restriction interventions longer than 13 months showed a significant decreased in lumbar spine BMD. CONCLUSION Weight loss led to significant decreases at the hip and lumbar spine BMD but not at the total. Weight loss response following calorie restriction resulted in a decrease in hip and lumbar spine bone density especially more than 1 year; whereas an exercise-induced weight loss did not.
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Affiliation(s)
- S Soltani
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Hemaat Highway, 1449614535, Tehran, Iran
| | - G R Hunter
- Department of Human Studies School of Education, University of Alabama at Birmingham, EB 205 1720 2nd Ave South, Birmingham, AL, 34294-1250, USA
| | - A Kazemi
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, P. O. Box 14155/6117, Amir Abad, Keshavarz Boulevard, Tehran, Iran
| | - S Shab-Bidar
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, P. O. Box 14155/6117, Amir Abad, Keshavarz Boulevard, Tehran, Iran.
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Foot-to-foot bioelectrical impedance accurately tracks direction of adiposity change in overweight and obese 7- to 13-year-old children. Nutr Res 2015; 35:206-13. [DOI: 10.1016/j.nutres.2014.12.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 12/30/2014] [Accepted: 12/30/2014] [Indexed: 02/02/2023]
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"Teens Talk Healthy Weight": the impact of a motivational digital video disc on parental knowledge of obesity-related diseases in an adolescent clinic. J Acad Nutr Diet 2014; 114:1611-8. [PMID: 24882205 DOI: 10.1016/j.jand.2014.04.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2012] [Accepted: 04/09/2014] [Indexed: 12/16/2022]
Abstract
The purpose of the study was to investigate the impact of a 7-minute educational and motivational weight-management digital video disc (DVD) that uses real patient/parent testimonials and provider-patient interactions, on adolescent and parent knowledge of obesity-related diseases; readiness, motivation, and self-efficacy to lose weight; connectedness to care provider; and likelihood of return to clinic for follow-up care. A randomized controlled trial was conducted among 40 overweight/obese adolescent participants (22.5% male, 77.5% female, mean age=15.43 years) and their parents (n=38) who visited a referral-only adolescent clinic for the first time from October 2009 to March 2010. Adolescents were randomly assigned by a research assistant to standard care alone or standard care plus DVD. Standard care (protocol-driven medical and nutritional assessment and counseling) was provided to all adolescents by a registered dietitian nutritionist and physician or nurse practitioner. Adolescents in the intervention group also viewed the DVD. Adolescents and parents completed assessments pre- and post-clinic visit. Repeated measures analysis of covariance was used to evaluate group differences, while controlling for race/ethnicity and age. Parents who viewed the DVD experienced greater improvements in obesity-related disease knowledge than parents who did not view the DVD. Adolescents in both groups improved on measures of motivation to lose weight and dieting self-efficacy, based on pre and post-test questionnaires. A 7-minute educational and motivational DVD helped improve parent knowledge, but was not more powerful than standard care alone in changing other weight-related outcomes in this adolescent clinic. Because it led to increased parental knowledge, incorporating the DVD into clinical practice could also allow more time for health providers to focus on specific obesity-related treatment/education. Future research might examine whether the DVD has more utility in different settings, such as primary care.
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