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  • 1
    Online Resource
    Online Resource
    Slow light Mach-Zehnder f iber interferometer
    Shanghai Institute of Optics and Fine Mechanics ; 2012
    In:  Chinese Optics Letters Vol. 10, No. 2 ( 2012), p. 021201-21203
    Details
    In: Chinese Optics Letters, Shanghai Institute of Optics and Fine Mechanics, Vol. 10, No. 2 ( 2012), p. 021201-21203
    Type of Medium: Online Resource
    ISSN: 1671-7694
    Uniform Title: Slow light Mach-Zehnder f iber interferometer
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.3788/COL/2012/10/2
    DOI: 10.3788/COL
    DOI: 10.3788/COL201210.021201
    Language: English , Chinese
    Publisher: Shanghai Institute of Optics and Fine Mechanics
    Publication Date: 2012
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  • 2
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    Income-related inequality and decomposition of edentulism among aged people in China
    Springer Science and Business Media LLC ; 2022
    In:  BMC Oral Health Vol. 22, No. 1 ( 2022-12)
    Details
    In: BMC Oral Health, Springer Science and Business Media LLC, Vol. 22, No. 1 ( 2022-12)
    Abstract: The aim of this study was to assess the income-related inequality of edentulism among the aged in China and identify the contributing factors. Methods A secondary analysis of data from the 4th National Oral Health Epidemiology Survey in China was conducted, and 65–74 years old were selected for the analysis of income-related inequality of edentulism. The concentration curve, Concentration index (CI) and Erreygers-corrected concentration index (EI) were used to represent inequality and its degree qualitatively and quantitatively, respectively. A decomposition method based on probit model was employed to determine the contributors of inequality, including demographic factors, income status, oral health-related knowledge, attitude and practices and self-perceived general health status. Results In China, aged people with edentulism were concentrated in the poor. The CI was − 0.2337 (95% CIs: − 0.3503, − 0.1170). The EI was − 0.0413 (95% CIs: − 0.0619, − 0.0207). The decomposition results showed that income (75.02%) and oral health-related knowledge, attitude and practices (15.52%) were the main contributors to the inequality. Conclusion This study showed that pro-poor inequality among the elderly with edentulism existed in China. Corresponding policies against the contributors could be considered to promote the health equality of the elders.
    Type of Medium: Online Resource
    ISSN: 1472-6831
    URL: Article
    DOI: 10.1186/s12903-022-02246-7
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 2091511-1
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  • 3
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    Oral health status of Chinese residents and suggestions for prevention and treatment strategies
    Elsevier BV ; 2019
    In:  Global Health Journal Vol. 3, No. 2 ( 2019-06), p. 50-54
    Details
    In: Global Health Journal, Elsevier BV, Vol. 3, No. 2 ( 2019-06), p. 50-54
    Type of Medium: Online Resource
    ISSN: 2414-6447
    URL: Article
    DOI: 10.1016/j.glohj.2019.06.004
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2019
    detail.hit.zdb_id: 3008565-2
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  • 4
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    Socioeconomic‐related inequality in dental care utilization among preschool children in China
    Wiley ; 2021
    In:  Community Dentistry and Oral Epidemiology Vol. 49, No. 6 ( 2021-12), p. 505-512
    Details
    In: Community Dentistry and Oral Epidemiology, Wiley, Vol. 49, No. 6 ( 2021-12), p. 505-512
    Abstract: This study aimed to investigate socioeconomic‐related inequality in dental care service utilization in the past 12 months among Chinese preschool children and to explore the contribution of various factors to this inequality. Method A total of 40 305 children aged 3‐5 years from 372 kindergartens who participated in the Fourth National Oral Health Survey in China were included in the final analysis. The method of data weighting in complex sampling was adopted to make the samples more representative. Erreygers‐corrected concentration index (EI) was used to measure socioeconomic‐related inequality in dental care service utilization. The horizontal inequality index (HI) was employed to analyse horizontal inequality. Decomposition analyses were conducted to explore the contributions of income level, need variables (dmft, caregiver‐evaluated oral health status and toothache experience) and nonneed variables (caregiver education level, residential location, age, and sex) to the inequality of health service utilization. Result The utilization of oral health services within the past 12 months among the high‐, middle‐ and low‐income groups was 17.4% (95% CI: 15.6‐19.3), 13.6% (95% CI: 12.2‐15.1) and 9.4% (95% CI: 8.1‐11.0) respectively. The concentration curve was below the line of equality, and the EI and HI were 0.072 and 0.078, respectively, indicating that dental care utilization in children aged 3‐5 years was concentrated in those who were better off. The contribution of the need variables to socioeconomic‐related inequality in dental services was minimal, and most dental care utilization inequality could be explained by household income, caregiver education attainment and urban‐rural disparities, accounting for 32.0%, 49.4% and 20.4% respectively. Conclusion This study reveals the existence of pro‐rich inequality in dental care utilization among preschool children in China. The decomposition analysis suggests that income, caregiver education background and urban‐rural disparities are the main factors contributing to this outcome. Equity‐oriented policies and programmes are needed to achieve equitable dental care utilization.
    Type of Medium: Online Resource
    ISSN: 0301-5661 , 1600-0528
    URL: Issue
    URL: Article
    DOI: 10.1111/cdoe.v49.6
    DOI: 10.1111/cdoe.12681
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 2027101-3
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  • 5
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    Heavy metals in drinking water and periodontitis: evidence from the national oral health survey from China
    Springer Science and Business Media LLC ; 2023
    In:  BMC Public Health Vol. 23, No. 1 ( 2023-09-04)
    Details
    In: BMC Public Health, Springer Science and Business Media LLC, Vol. 23, No. 1 ( 2023-09-04)
    Abstract: Periodontitis has become an increasingly important public health issue, coupled with a high economic burden for prevention and treatment. Exposure to essential trace heavy metals has been associated with various diseases; however, the relationships between essential trace heavy metals and periodontitis remain inconclusive. Objectives To investigate the association between essential trace heavy metals in tap water and periodontitis in a nationally representative sample in China. Methods We conducted a nationwide study including 1348 participants from the Fourth National Oral Health Survey in the 2015–2016 period. The trace heavy metals concentration was measured in the local pipeline terminal tap water. Periodontitis was diagnosed according to the classification scheme proposed at the 2018 world workshop on the classification of periodontal and peri-implant diseases and conditions. We used weighted multivariable logistic regression to estimate the association between essential trace heavy metals and the risk of periodontitis. We additionally used spline analysis to explore the possible nonlinear dose-response associations. Results Periodontitis patients were exposed to higher concentrations of essential trace heavy metals. In adjusted models, for 1 SD increase in the concentration of iron, manganese, and copper in tap water, the risk of periodontitis increased by 30% (OR: 1.30, 95%CI: 1.12–1.50), 20% (OR: 1.20, 95%CI: 1.03–1.41), and 20% (OR: 1.20, 95%CI: 1.04–1.39), respectively. Stratified analyses demonstrated that the associations between essential trace heavy metals and periodontitis were higher in females, elders, and rural residents. Spline analysis revealed nonlinear exposure-response relationships between periodontitis and exposure to iron, manganese, and copper in tap water. Conclusions Exposures to essential trace heavy metals in drinking water were associated with greater odds of periodontitis. Given the growing burden of periodontitis, our study sheds light on tailored public health policies for improving drinking water standards to alleviate periodontitis impairment.
    Type of Medium: Online Resource
    ISSN: 1471-2458
    URL: Article
    DOI: 10.1186/s12889-023-16391-3
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2041338-5
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  • 6
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    Related factors of periodontal health among Chinese middle school students, findings from a national cross-sectional survey
    Springer Science and Business Media LLC ; 2021
    In:  BMC Oral Health Vol. 21, No. 1 ( 2021-12)
    Details
    In: BMC Oral Health, Springer Science and Business Media LLC, Vol. 21, No. 1 ( 2021-12)
    Abstract: To investigate the related risk factors of periodontal health status among Chinese middle school students. Methods This study is a part of the Fourth National Oral Health Epidemiological Survey, which is by far the largest oral epidemiological survey in China, including all provinces, municipalities and autonomous regions in mainland China. A multi-stage stratified sampling method was used to select middle school students aged 12–15 from the sampled middle school for investigation. The survey consisted of two parts: oral examination and questionnaire survey. The oral examination included gingival bleeding and calculus. The questionnaire included sociodemographic information, oral health knowledge, attitudes and behaviors. Logistic regression and generalized linear mixed model were used to investigate the risk factors of gingival bleeding and calculus. Results A total of 118,514 middle-school students has been examined. Less gingival bleeding (OR = 0.746, CI 0.718–0.774) and calculus (OR = 0.550, CI 0.529–0.527) were found in 12-year-old group compared to 15-year-old group. The periodontal health status of males was worse than that of females (gingival bleeding OR = 1.102, CI 1.074–1.132, calculus OR = 1.258, CI 1.223–1.295). Besides age and gender, region, living place, ethnic groups, family structure, parent’s education level, oral health knowledge and behavior were also related to gingival bleeding and calculus. Conclusions Gingival bleeding and calculus occurred most of 12–15 years old adolescents in China. Several related factors, such as gender, age, ethnicity, father’s education level, oral health knowledge and behavior, were found in multi-factorial models. The impact of province should arouse people’s attention.
    Type of Medium: Online Resource
    ISSN: 1472-6831
    URL: Article
    DOI: 10.1186/s12903-021-01889-2
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2091511-1
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  • 7
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    Decomposing socioeconomic inequalities in dental caries among Chinese adults: findings from the 4th national oral health survey
    Springer Science and Business Media LLC ; 2023
    In:  BMC Oral Health Vol. 23, No. 1 ( 2023-06-08)
    Details
    In: BMC Oral Health, Springer Science and Business Media LLC, Vol. 23, No. 1 ( 2023-06-08)
    Abstract: This cross-sectional study aimed to investigate socioeconomic inequalities in dental caries among adults (35 years and older) in China and explore the contributions of various factors to these inequalities. Methods This study included 10,983 adults (3,674 aged 35–44 years, 3,769 aged 55–64 years and 3,540 aged 65–74 years) who participated in the 4th National Oral Health Survey (2015–2016) in China. Dental caries status was evaluated by the decayed, missing and filled teeth (DMFT) index. Concentration indices (CIs) were applied to quantify the different degrees of socioeconomic-related inequality in DMFT, decayed teeth with crown or root caries (DT), missing teeth due to caries or other reasons (MT), and filled teeth without any primary or secondary caries (FT) among adults of different age groups. Decomposition analyses were conducted to identify the determinants and their associations with inequalities in DMFT. Results The significant negative CI indicated that DMFT for the total sample were concentrated among socioeconomically disadvantaged adults (CI = − 0.06; 95% confidence interval [CI], − 0.073 to − 0.047). The CIs for DMFT for adults aged 55–64 and 65–74 years were − 0.038 (95% CI, − 0.057 to − 0.018) and − 0.039 (95% CI, − 0.056 to − 0.023), respectively, while the CI for DMFT for adults aged 35–44 years was not statistically significant (CI = − 0.002; 95% CI, − 0.022 to 0.018). The concentration indices of DT were negative and concentrated in disadvantaged populations, while FT showed pro-rich inequalities in all age groups. Decomposition analyses showed that age, education level, toothbrushing frequency, income and type of insurance contributed substantially to socioeconomic inequalities, accounting for 47.9%, 29.9%, 24.5%,19.1%, and 15.3%, respectively. Conclusion Dental caries was disproportionately concentrated among socioeconomically disadvantaged adults in China. The results of these decomposition analyses are informative for policy-makers attempting to develop targeted health policy recommendations to reduce dental caries inequalities in China.
    Type of Medium: Online Resource
    ISSN: 1472-6831
    URL: Article
    DOI: 10.1186/s12903-023-03037-4
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2091511-1
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  • 8
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    Measuring and decomposing socioeconomic‐related inequality in the use of oral health services among Chinese adults
    Wiley ; 2021
    In:  Community Dentistry and Oral Epidemiology Vol. 49, No. 1 ( 2021-02), p. 47-54
    Details
    In: Community Dentistry and Oral Epidemiology, Wiley, Vol. 49, No. 1 ( 2021-02), p. 47-54
    Abstract: This study aimed to measure socioeconomic‐related inequality and horizontal inequity in the use of oral health services and decompose this inequality among adults of different age groups in China. Methods In total, 10 973 adults (3669 aged 35‐44 years, 3767 aged 55‐64 years and 3537 aged 65‐74 years) who participated in the 4th National Oral Health Survey (2015‐2016) in China were included. Concentration curves and the Erreygers‐corrected concentration index (EI) were employed to measure socioeconomic‐related inequality in the use of oral health services. Then, inequity in this utilization was measured by the horizontal inequity index (HI). Furthermore, decomposition analyses were conducted for the three groups to explain the contributions of income level, need factors (ie self‐assessed oral health and evaluated oral health status), other factors (ie sex, residential location, educational attainment level and type of basic insurance) and a residual term to overall inequality in oral health service utilization. Results The significant positive EI and HI values indicated that pro‐rich inequality and inequity in oral health service utilization exist among Chinese adults. Income and type of basic medical insurance contributed the most to socioeconomic‐related inequality in the use of oral health services among adults aged 55‐64 and 65‐74 years. However, the main driving factors of socioeconomic inequality among adults aged 35‐44 years in dental care use included income, educational achievement, type of basic medical insurance and residential location. The need variables accounted for a very small proportion of overall socioeconomic‐related inequality in oral health service use in all three groups. Conclusions Oral healthcare service utilization was disproportionately concentrated among better‐off Chinese adults. The primary determinants of inequality in dental care use in different age groups provide information for policymakers to create more targeted policies to achieve equity in the oral healthcare system in China.
    Type of Medium: Online Resource
    ISSN: 0301-5661 , 1600-0528
    URL: Issue
    URL: Article
    DOI: 10.1111/cdoe.v49.1
    DOI: 10.1111/cdoe.12575
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 2027101-3
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  • 9
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    Long‐term exposure to ambient fine particulate matter and periodontitis: An observational study using nationally representative survey data
    Wiley ; 2024
    In:  Journal of Clinical Periodontology
    Details
    In: Journal of Clinical Periodontology, Wiley
    Abstract: The rising prevalence of periodontitis imposes substantial burdens on individuals and society. Identifying environmental risk factors for periodontitis may contribute to tackling the global public health burden of it. This study aimed to assess the association between long‐term exposure to PM 2.5 and periodontitis in a nationally representative population from China. Materials and Methods In this multi‐centre cross‐sectional study of 372 communities in 31 provinces of Mainland China, we used data from the Fourth National Oral Health Survey of China in 2015–2016, in combination with high‐resolution gridded concentrations of fine particulate matter (PM 2.5 ). Logistic regression was applied to assess the relationship between long‐term PM 2.5 exposure and the risk of periodontitis. In addition, we examined whether the association varied by individual characteristics, and estimated the exposure–response relationship and the risk of damaged tooth in each tooth quadrant. Results A total of 8391 participants from 96 cities were diagnosed with periodontitis, accounting for 60.04% (8391/13,459) of the participants. For each 10 μg/m 3 increment in 1‐, 3‐ and 5‐year average concentrations of PM 2.5 , the risk of total periodontitis increased by 9.0% (95% confidence interval: 6.0%, 12.0%), 8.0% (6.0, 11·0) and 7.0% (5.0, 10.0), respectively. Mild periodontitis was more strongly associated with PM 2.5 exposure than moderate and severe periodontitis. The teeth in the lower anterior, lower posterior or upper anterior are more susceptible to the effect of PM 2.5 on the periodontal pocket, calculus and bleeding gums. Conclusions Long‐term exposure to PM 2.5 is significantly associated with an increased risk of periodontitis in the nationally representative Chinese population. Considering the rising prevalence of periodontitis, considerable costs of treatment, and substantially adverse effects on individuals and society, these findings suggest that stricter air quality regulations may help ease the burden of periodontal disease.
    Type of Medium: Online Resource
    ISSN: 0303-6979 , 1600-051X
    URL: Article
    DOI: 10.1111/jcpe.13950
    Language: English
    Publisher: Wiley
    Publication Date: 2024
    detail.hit.zdb_id: 2026349-1
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  • 10
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    Altered Local Field Potential Relationship Between the Parafascicular Thalamic Nucleus and Dorsal Striatum in Hemiparkinsonian Rats
    Springer Science and Business Media LLC ; 2019
    In:  Neuroscience Bulletin Vol. 35, No. 2 ( 2019-4), p. 315-324
    Details
    In: Neuroscience Bulletin, Springer Science and Business Media LLC, Vol. 35, No. 2 ( 2019-4), p. 315-324
    Type of Medium: Online Resource
    ISSN: 1673-7067 , 1995-8218
    URL: Article
    DOI: 10.1007/s12264-018-0312-9
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2019
    detail.hit.zdb_id: 2421623-9
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