Dataset Information

Dietary Patterns and Associations with Myopia in Chinese Children.

ABSTRACT: Dietary shifts in populations undergoing rapid economic transitions have been proposed as partly contributing toward the rapid intergenerational rise in myopia prevalence; however, empirical evidence of the effect of dietary factors on myopia is limited. This study investigated the association between dietary factors and incident myopia in Chinese children aged 10-11 years. We evaluated dietary habits using a 72-item food frequency questionnaire (FFQ) among 7423 children. Myopic status was assessed using the "General Personal Information Questionnaire". Principal component analysis was used to extract dietary patterns and investigate their association with myopia. After adjusting for potential confounders, participants with the highest adherence to dietary pattern A (95% confidence interval (CI): 0.66-0.92, p for trend = 0.007) and dietary pattern C (95% CI: 0.58-0.80, p for trend < 0.001) had a lower risk of myopia than participants with the least adherence. Both of these dietary patterns are characterized by high consumption of meats, aquatic product, dairy and its products, eggs, legumes, vegetables, fruits, grains, and potatoes. Our findings suggest that other environmental factors, such as those related to the dietary environment, may contribute to the development of myopia. These findings can serve as a reference for diet-related primary prevention of myopia.

SUBMITTER: Yin C

PROVIDER: S-EPMC10142016 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature

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Dietary Patterns and Associations with Myopia in Chinese Children.

Yin Chunjie C Gan Qian Q Xu Peipei P Yang Titi T Xu Juan J Cao Wei W Wang Hongliang H Pan Hui H Ren Zhibin Z Xiao Hui H Wang Kai K Xu Ying Y Zhang Qian Q

Nutrients 20230418 8

Dietary shifts in populations undergoing rapid economic transitions have been proposed as partly contributing toward the rapid intergenerational rise in myopia prevalence; however, empirical evidence of the effect of dietary factors on myopia is limited. This study investigated the association between dietary factors and incident myopia in Chinese children aged 10-11 years. We evaluated dietary habits using a 72-item food frequency questionnaire (FFQ) among 7423 children. Myopic status was asses ...[more]

PMID: 37111164

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Project description:BackgroundDietary patterns influence children and adolescents' health not only in the present but also in their adulthood. Family characteristics and functioning play a crucial role in food choices and are important modifiable factors for early interventions aimed at preventing unhealthy diets.ObjectiveThe study aimed to analyze the dietary patterns of Chinese children and adolescents and explore their associations with family characteristics and functioning.Methods6276 participants aged 6 to 17 years were recruited for the multicenter cross-sectional study through cluster sampling. Food intake, family characteristics, and family function were assessed. Dietary patterns were identified through factor analysis based on food intake data, and a multiple logistic regression model was used to investigate the associations between dietary patterns, family characteristics, and family functioning.ResultsThree distinct dietary patterns were identified: the "Diverse dietary pattern" (characterized by a rich diet and balanced nutrition), the "Fast food concentrated dietary pattern" (primarily consisting of fried foods, sugary drinks, processed meats, and other junk food), and the "Traditional dietary pattern" (mainly vegetables and grains). Girls, those living in rural areas, and those with better family functioning were more likely to adhere to the "Diverse dietary pattern" (p < 0.01). Girls, primary school students, and those with lower educated mothers tended to have higher adherence to the "Traditional dietary pattern" (p < 0.01). High adherence to the "Fast food concentrated dietary pattern" were associated with boys, older age, Han ethnicity, family dysfunction, living with both parents, being an only-child, having a better educated father, lower family income, and higher pocket money (p < 0.01).ConclusionChildren and adolescents from different family backgrounds exhibit distinct dietary patterns, highlighting the importance of early screening and intervention tailored to these varying family characteristics. Among the modifiable family factors, better family functioning stands out as a key area of focus for promoting and sustaining healthy dietary patterns in Chinese children and adolescents.

Project description:BACKGROUND:Sleep disturbances and low-quality diets are prevalent among children in low-income settings, yet the nature of their relationship remains unclear. In particular, whether aspects other than sleep duration, including timing and quality, are associated with dietary patterns has rarely been examined, especially among preschool-aged children. OBJECTIVE:To evaluate whether nightly and total sleep duration, sleep timing, differences in timing and duration from weekdays to weekends, and sleep quality were related to dietary patterns. DESIGN:A cross-sectional analysis of children attending preschool. Parents completed questionnaires about children's sleep habits as well as a semiquantitative food frequency questionnaire. PARTICIPANTS/SETTING:Three hundred fifty-four English-speaking children (49.9% boys) with no serious medical conditions aged 3 to 5 years who were enrolled in Head Start in Michigan (2009-2011) with complete information on sleep and diet. MAIN OUTCOME MEASURES:Dietary pattern scores derived from food frequency questionnaire. STATISTICAL ANALYSES PERFORMED:Principal component analysis was used to identify dietary patterns. Separate linear regression models with dietary pattern scores as the dependent variable and continuous sleep measures as independent variables were used to evaluate associations between sleep and diet, adjusting for sex, age, parent education level, and sleep hygiene. RESULTS:Three dietary patterns were identified: Vegetables, Healthy Proteins, and Sides; Breads and Spreads; and Processed and Fried. Longer average weekend sleep duration and a greater difference in weekend-to-weekday sleep duration was related to lower Vegetables, Healthy Proteins, and Sides pattern scores. Later sleep midpoint during weekdays was related to lower Vegetables, Healthy Proteins, and Sides pattern scores, whereas later sleep midpoint on the weekend was associated with higher Processed and Fried pattern scores. Similarly, a larger weekend-weekday midpoint difference was associated with higher Processed and Fried pattern scores. CONCLUSIONS:Later sleep timing and differences in sleep duration and timing from weekends to weekdays were related to less-optimal dietary pattern scores in young children.

Project description:BackgroundIn China, approximately 30 and 70% of primary and middle school students, respectively, have myopia, making myopia prevention and control necessary. Eye-use behaviors are closely related to myopia, highlighting the importance of determining the behavioral compliance rates of children. Parental awareness also affects children's behaviors. Therefore, we assessed the myopia-related behaviors and parental awareness of school-aged children in different city tiers of China with different refractive statuses.MethodsA population-based, cross-sectional study was conducted on Chinese children from 110 cities aged 7-15 years. Samples were equally allocated to each subgroup of city tiers, children's age groups, and children's refractive statuses. Questionnaires were designed to investigate children's behaviors, including responses to sitting position, time of eye use (single continuous near work time and breaks in between, total near work time after school each day), eye rest (break time and style during near work and outdoor time per week), light conditions in the learning environment at home, and parents' knowledge about myopia prevention and control. Associations between parental awareness and children's behaviors were analyzed using logistic regression.ResultsIn total, 896 questionnaires were collected. The prevalence of children's poor behaviors related to myopia ranged from 23.44 to 84.82%, with the highest and lowest being sitting position and the use of eye-protecting lamps, respectively. Children in third-tier cities were more likely to have poor sitting position (p < 0.01), a non-open view in front of a desk at home (p = 0.02), and more near activities during break times (p = 0.04). After adjustment for parental myopia condition and the child's sex, poor parental awareness was mainly associated with not using an eye-protecting lamp (odds ratio [OR]: 1.95, 95% confidence interval [CI]: 1.40-2.72), poor break styles (OR: 1.60, 95% CI: 1.21-2.12), and excessive total near work time (OR: 1.45, 95% CI: 1.02-2.05).ConclusionMyopia-related behaviors were poorly performed in children, particularly among older children and those living in third-tier cities. Eye-protecting lamps, time spent doing near work, and break style were all associated with parental awareness, suggesting that better parental awareness helps children in the long run. More targeted measures could be adopted to help improve children's behaviors.

Project description:IntroductionThe interplay between influential factors and the incidence of subthreshold depression (SD) in young adults remains poorly understood.ObjectivesThis study sought to understand the dietary habits, gut microbiota composition, etc. among individuals with SD in young adults and to investigate their association with SD occurrence.MethodsEmploying a cross-sectional approach, 178 individuals with SD, aged 18-32 years, were matched with 114 healthy counterparts. SD status was evaluated using the Zung Self-rating Depression Scale (SDS), Zung Self-rating Anxiety Scale (SAS), Beck Depression Inventory 2nd version (BDI-II), the 17-item Hamilton Rating Scales of Depression (HAMD-17), and Pittsburgh Sleep Quality Index (PSQI). Metagenomic sequencing was utilized to identify fecal microbial profiles. Dietary patterns were discerned via factor analysis of a 25-item food frequency questionnaire (FFQ). Logistic regression analysis and mediation analysis were performed to explore the potential links between gut microbiota, dietary patterns, and incident SD.ResultsData on dietary habits were available for 292 participants (mean [SD] age, 22.1 [2.9] years; 216 [73.9 %] female). Logistic regression analysis revealed that dietary patterns Ⅰ (odds ratio [OR], 0.34; 95 % CI, 0.15-0.75) and IV (OR, 0.39; 95 % CI, 0.17-0.86 and OR, 0.39; 95 % CI, 0.18-0.84) were associated with reduced risk of SD. Distinct microbial profiles were observed in young adults with SD, marked by increased microbial diversity and taxonomic alterations. Moreover, mediation analysis suggested Veillonella atypica as a potential mediator linking SDS or BDI-II scores with a healthy dietary pattern rich in bean products, coarse grains, nuts, fruits, mushrooms, and potatoes (β = 0.25, 95 % CI: 0.02-0.78 and β = 0.18, 95 % CI: 0.01-0.54).ConclusionsOur findings highlight the complex interplay between dietary patterns, gut microbiota, and the risk of developing SD in young adults, underscoring the potential for dietary interventions and microbiome modulation in mental health promotion.

Project description:This study aimed to explore the association between screen exposure in early life and preschool myopia. During the baseline survey of the Longhua Child Cohort Study (LCCS), data of 29,595 preschoolers were collected via a caregiver-reported questionnaire regarding children's socio-demographic characteristics, visual status, screen exposure and relevant parental information. Data of 26,433 preschoolers with normal eyesight or myopia were included in the analysis and cox regression modelling was employed to assess the associations. Results suggested the hypothesis that screen exposure in early life could be significantly and positively associated with preschool myopia, and in agreement with this hypothesis was the association being strengthened with the increasing daily exposure duration and total years of exposure; in the stratification analysis based on the presence of parental myopia, these associations still existed, and the strength of associations was stronger in preschoolers with myopic parents than those without. Moreover, a statistically significant association was only observed between initial screen exposure that occurred during 0-1-years old and myopia for preschoolers without myopic parents, while the significant associations were observed between initial screen exposure that occurred during 0-1, 1-2, 2-3, and after 3 years old and myopia for preschoolers who had myopic parents, with the strongest association found in the group of children initially exposed to electronic screens during 0-1 year old. Thus our findings indicated the hypothesis that screen exposure in early life might be associated with the occurrence of preschool myopia, and that the postnatal first year might be the sensitive period for the association. However, it is premature to conclude that early screen time leads to myopia with current data. Further longitudinal studies performed with cycloplegia are necessary to verify the hypothesis and shed light on the more urgent question whether early screen exposure contributes to the later myopia epidemic of school-aged children.

Dataset Information

Dietary Patterns and Associations with Myopia in Chinese Children.

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Dietary Patterns and Associations with Myopia in Chinese Children.

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