scholarly journals Correlations between mandibular ramus height and occlusal planes in Han Chinese individuals with normal occlusion: A cross-sectional study

2022 ◽  
Vol 11 ◽  
pp. 295-300
Author(s):  
Xin Xiong ◽  
Qinlanhui Zhang ◽  
Yang Liu

Objectives: The objective of the study is to determine the relationships between ramus height and occlusal planes (OPs) in Han Chinese individuals with normal occlusion. Materials and Methods: Two hundred and four participants with normal occlusion were included and their cephalograms were analyzed. The ramus height (Ar-Go), Frankfort horizontal plane-posterior OP (FH-POP), FH-anterior OP (FH-AOP) and FH-OP, anterior and posterior cranial base length, SNA, SNB, ANB, Frankfort-mandibular plane angle, SN-MP, jaw angle, and mandibular body length were measured on the subjects’ cephalograms. Pearson correlation coefficients were calculated among continuous variables. The ramus height was considered as dependent variable and the OPs as independent variables. Age, sex, and other cephalometric parameters were considered as possible confounding factors. Univariate and multivariate analyses were performed to determine whether the relationships were significant. Results: The FH-POP and FH-OP were moderately associated with ramus height, while the FH-AOP showed a weak association (P < 0.001). After adjusting age and sex, FH-POP, FH-AOP, and FH-OP showed significant negative associations with ramus height (β = −0.36, −0.28, and −0.37, respectively, P < 0.001). The OP flattened with the ramus height increased. After adjusting all the confounding factors, FH-POP and FH-OP showed significant negative associations with ramus height. The ramus height increased by 0.19 mm/1° flattening of FHPOP (β = −0.19, P = 0.002). Conclusion: After adjust age, sex, and other possible confounding factors, the FH-POP and FH-OP were associated with the ramus height. The flattening of FH-POP was associated with the increase of ramus height. The results should be treated with caution since it’s a cross-sectional study.

2020 ◽  
Author(s):  
Mahboubeh Dadfar ◽  
David Lester

Abstract BackgroundThe Coronavirus Disease-2019 (COVID-19) outbreak is a public health problem and a great challenge in the world, including Iran. The aims of the present study were: (a) to investigate the psychometric properties and the factorial structure of the Coronavirus Disease (COVID-19) Concern Scale (COVID-19CS), (b) to explore correlations of the COVID-19CS scores with the Fear of COVID-19 Scale (FCV-19S), and (c) to examine gender differences. MethodsThis was a descriptive cross-sectional study. A convenience sample of 125 medical students was recruited. The COVID-19CS and FCV-19S were administered to the students. The data were analyzed with descriptive statistics, t-tests, Pearson correlation coefficients, and a Principal Components factor analysis.ResultsCronbach's α was .94. Three factors were extracted labeled “Infection/Unsafety”, “Instability/Fear of Social Isolation”, and “Insecurity/Death Fear.” The COVID-19CS score was positively correlated with the FCV-19S score. There was no sex difference in the COVID-19CS score.ConclusionsThe COVID-19CS is a multidimensional scale. Just over half (56.3%) of students reported concern of COVID-19 and, therefore, appropriate policy-making and evidence-based psycho educational training are necessary to reduce their concern over COVID-19.


2021 ◽  
Author(s):  
Mahboubeh Dadfar ◽  
David Lester

Abstract BackgroundThe Coronavirus Disease-2019 (COVID-19) outbreak is a public health problem and a great challenge in the world, including Iran. The aims of the present study were: (a) to investigate the psychometric properties and the factorial structure of the Coronavirus Disease (COVID-19) Concern Scale (COVID-19CS), (b) to explore correlations of the COVID-19CS scores with the Fear of COVID-19 Scale (FCV-19S), and (c) to examine gender differences. MethodsThis was a descriptive cross-sectional study. A convenience sample of 125 medical students was recruited. The COVID-19CS and FCV-19S were administered to the students. The data were analyzed with descriptive statistics, t-tests, Pearson correlation coefficients, and a Principal Components factor analysis.ResultsCronbach's α was .94. Three factors were extracted labeled “Infection/Unsafety”, “Instability/Fear of Social Isolation”, and “Insecurity/Death Fear.” The COVID-19CS score was positively correlated with the FCV-19S score. There was no sex difference in the COVID-19CS score.ConclusionsThe COVID-19CS is a multidimensional scale. Just over half (56.3%) of students reported concern of COVID-19 and, therefore, appropriate policy-making and evidence-based psycho educational training are necessary to reduce their concern over COVID-19.


Healthcare ◽  
2021 ◽  
Vol 9 (8) ◽  
pp. 939
Author(s):  
Ana Fresan ◽  
Alma Delia Genis-Mendoza ◽  
María Lilia López-Narváez ◽  
Tania Guadalupe Gómez-Peralta ◽  
Daniela Georgina Aguilar-Velázquez ◽  
...  

Background/Aim: Obesity in adolescents is increasing; as such, the aim of this study was to determine the prevalence of obesity in Mexican adolescents and examine its possible association with hours of sleep. Methods: A school-based cross-sectional study was carried out. This study included 863 adolescents aged between 11 and 16 years. The prevalence of obesity was estimated using the body mass index (BMI). The duration of sleep (and other information) was assessed by a self-reported questionnaire. The Cochran–Mantel–Hansel test for categorical variables and a general linear model for continuous variables were used to evaluate the interaction effect of BMI and sex with respect to sleeping and assessed activity conditions. Results: It was found that 47.6% of the adolescents were overweight/obese. Men were more frequently overweight/obese than women (52.6% vs. 41.8%, p = 0.002). Moreover, overweight/obese adolescents were younger and spent fewer daily hours watching television (p < 0.05). Men practiced sports more hours per week than women (p = 0.04). However, women spent more daily time on the internet (p = 0.05), and overweight/obese adolescent women slept fewer hours than overweight/obese men and adolescents with normal weight (p = 0.008). Conclusions: The development of strategies for the prevention of overweight/obesity and the improvement of sleep duration should include a gender perspective to improve health habits in Mexican adolescents.


2012 ◽  
Vol 28 (11) ◽  
pp. 2053-2062 ◽  
Author(s):  
Teresa Gontijo de Castro ◽  
Laura A. Barufaldi ◽  
Michael Maia Schlüssel ◽  
Wolney Lisboa Conde ◽  
Maurício Soares Leite ◽  
...  

The aim of this study was to describe the distribution of waist circumference (WC) and WC to height (WCTH) values among Kaingáng indigenous adolescents in order to estimate the prevalence of high WCTH values and evaluate the correlation between WC and WCTH and body mass index (BMI)-for-age. A total of 1,803 indigenous adolescents were evaluated using a school-based cross-sectional study. WCTH values > 0.5 were considered high. Higher mean WC and WCTH values were observed for girls in all age categories. WCTH values > 0.5 were observed in 25.68% of the overall sample of adolescents. Mean WC and WCTH values were significantly higher for adolescents with BMI/age z-scores > 2 than for those with normal z-scores. The correlation coefficients of WC and WCTH for BMI/age were r = 0.68 and 0.76, respectively, for boys, and r = 0.79 and 0.80, respectively, for girls. This study highlights elevated mean WC and WCTH values and high prevalence of abdominal obesity among Kaingáng indigenous adolescents.


2016 ◽  
Vol 8 (4) ◽  
pp. 396-400 ◽  
Author(s):  
Bolaji Fatai OYEYEMI ◽  
John Oluwafemi ADEBAYO ◽  
Abass Toba ANIFOWOSHE ◽  
Oluyinka Ajibola IYIOLA

Digit ratio (2D:4D) denotes the relative length of the second and fourth digits. There are contradicting reports on its relationship with ethnicity/race, whereas convincing studies show it is related to obesity. This cross-sectional study was undertaken to demystify ethnic difference in 2D:4D ratio and to analyze its relationship with obesity among adults in Ilorin Nigeria. The cross-sectional study included 701 individuals. Finger lengths were measured with electronic calipers and other anthropometric traits were measured with standard procedure. Student t test and one-way ANOVA were used to detect differences among groups and relationship was computed with Pearson correlation. The receiver operator characteristic curves were used to detect the diagnostic effect of 2D:4D for obesity. The obtained results showed sexual dimorphism in 2D:4D ratio and other anthropometrics at p < 0.01. Obesity was associated with significantly higher mean of 2D:4D in both genders (female 0.9814 ± 0.012:0.9700 ± 0.012; male 0.9700 ± 0.010:0.9592 ± 0.010 at p < 0.001). The area under the curve was 0.753 (95% CI 0.677-0.829, p < 0.01) and 0.798 (95% CI 0.756-0.804, p < 0.01) in female and male R2D:4D respectively for obesity, implying that 2D:4D might be a surrogate marker for obesity in future.  No significant difference was found in 2D:4D among different ethnic groups studied (p >0.05); this result proved that there was no ethnic specificity in 2D:4D ratio among study’ participants. Thus, it can be reported that the digit ratio was related to high 2D:4D, but this cannot be said for different ethnic groups. The results imply that 2D:4D might be a good surrogate indicator for obesity, but not ethnicity.  


2018 ◽  
Vol 103 (8) ◽  
pp. 1119-1122 ◽  
Author(s):  
Tadanobu Yoshikawa ◽  
Kenji Obayashi ◽  
Kimie Miyata ◽  
Tetsuo Ueda ◽  
Norio Kurumatani ◽  
...  

BackgroundGlaucoma may cause physiological and behavioural circadian misalignment because of the loss of intrinsically photosensitive retinal ganglion cells, the primary receptors of environmental light. Although studies have suggested a high prevalence of depression in patients with glaucoma, it is unclear whether the association is independent of the light exposure profiles as an important confounding factor.MethodsIn this cross-sectional study of a community-based cohort of 770 elderly individuals (mean age, 70.9 years), glaucomatous optic discs were assessed using fundus photographs and depressive symptoms were assessed using the short version of the Geriatric Depression Scale (GDS). Daytime and night-time ambient light exposures were objectively measured for 2 days.ResultsDepressive symptoms (GDS score ≥6) were observed in 114 participants (prevalence, 14.8%) and glaucomatous optic discs were detected in 40 participants (prevalence, 5.2%). The prevalence of depressive symptoms was significantly higher in the group with glaucomatous optic disc than in the group without it (30.0% vs 14.0%, respectively; p=0.005). Multivariable logistic regression analysis adjusted for potential confounding factors, including daytime and night-time light exposures, revealed that the OR for depressive symptoms was significantly higher in the group with glaucomatous optic disc than in the group without it (OR 2.45, 95% CI 1.18 to 5.08; p=0.016).ConclusionsIn this general elderly population, glaucomatous optic disc was significantly associated with higher prevalence of depressive symptoms independent of a number of potential confounding factors, including daily light exposure profiles.


2018 ◽  
Vol 26 (0) ◽  
Author(s):  
Vanessa Silveira Faria ◽  
Ligia Neres Matos ◽  
Liana Amorim Correa Trotte ◽  
Helena Cramer Veiga Rey ◽  
Tereza Cristina Felippe Guimarães

ABSTRACT Objective: to verify the association between the prognostic scores and the quality of life of candidates for heart transplantation. Method: a descriptive cross-sectional study with a convenience sample of 32 outpatients applying to heart transplantation. The prognosis was rated by the Heart Failure Survival Score (HFSS) and the Seattle Heart Failure Model (SHFM); and the quality of life by the Minnesota Living With Heart Failure Questionnaire (MLHFQ) and the Kansas City Cardiomyopathy Questionnaire (KCCQ). The Pearson correlation test was applied. Results: the correlations found between general quality of life scores and prognostic scores were (HFSS/MLHFQ r = 0.21), (SHFM/MLHFQ r = 0.09), (HFSS/KCCQ r = -0.02), (SHFM/KCCQ r = -0.20). Conclusion: the weak correlation between the prognostic and quality of life scores suggests a lack of association between the measures, i.e., worse prognosis does not mean worse quality of life and the same statement is true in the opposite direction.


2020 ◽  
Vol 6 (2) ◽  
pp. 52
Author(s):  
Ella Yurika ◽  
Ade Prima A. S. ◽  
Nur Fauziah ◽  
Arianti Z.C ◽  
Naufal Farhan N ◽  
...  

Angka cacingan pada anak usia 1-12 tahun di Surabaya masih terhitung banyak walaupun program Pemberian Obat Pencegahan secara Massal (POPM) telah dilaksanakan. Penyakit ini banyak ditemukan di daerah yang padat penduduk dengan warga yang pengetahuannya kurang dalam perilaku hidup bersih dan sehat. Penelitian dilaksanakan untuk mengidentifikasi pengetahuan tentang cacingan dan program POPM serta perilaku berkaitan dengan faktor risiko cacingan. Penelitian ini merupakan cross-sectional study dengan survei menggunakan Interviewer-administered questionnaire pada penduduk yang memiliki anak berusia 1-12 tahun dan menetap di Kecamatan Sawahan, Kota Surabaya lebih dari tiga bulan dengan metode pengambilan data accidental sampling. Hasil survei dari 102 responden menunjukkan bahwa pengetahuan responden masih kurang dalam aspek mengenali gejala cacingan. Data hasil survei menunjukkan bahwa terdapat perilaku berisiko yang dilakukan oleh anak responden seperti tidak menggunakan alas kaki dan bermain di tanah sebanyak 34 (33,3%) dan 31 (30,4%) responden. Hasil Analisis Pearson Correlation menggunakan SPSS versi 22 menunjukkan adanya hubungan positif lemah antara pengetahuan dan perilaku menghindari cacingan (r = 0,199; signifikansi = 0,044). Pengetahuan responden mengenai program deworming atau POPM cukup rendah dengan hanya 34 (33,6%)responden yang mengetahuinya. Peningkatan pengetahuan dan perilaku masyarakat di daerah tersebut diperlukan agar angka infeksi cacingan pada anak dapat berkurang, salah satunya dengan penyuluhan dan pelatihan untuk hidup bersih dan sehat.


2020 ◽  
Author(s):  
Zhengyan Cheng ◽  
Ping Shuai ◽  
Qichuan Qiao ◽  
Tingxin Li

Abstract Background In China, many people are apt to participate in regular physical examination as a precaution. Some simplified food frequency questionnaire have been designed and used. However, the effectiveness of questionnaire is absent. This study was conducted to examine the reliability and validity of simplified food frequency questionnaire (SFFQ) used among physical examination adults in southwest region of China. Methods This study was a cross sectional study among physical health examination adults in Southwest region of China. A total of 239 participants aged 20-65 were conducted during February to June in 2019. The performance of the SFFQ was evaluated by the mean of three-day 24-hour dietary recalls (3R24). The relative validity and agreement was assessed by the Pearson`s correlation and intra-class correlation coefficients(ICC) respectively. Results The median energy-adjusted ICC of food groups between SFFQ2 and SFFQ1 was 0.59 (range: 0.49-0.73) and the ICC of nutrients was 0.47(range: 0.39-0.76). The Pearson correlation showed the validity between the SFFQ1 and 3R24, which ranged from -0.086 to 0.93 for food and and 0.21 to 0.71 for nutritions, respectively. Energy-adjustment slightly increased the correlation coefficients. Conclusions The reliability and validity of the SFFQ was acceptable. It could be an appropriate dietary assessment tool for future epidemiological studies in physical health examination adults among Chinese in southwest China.


2020 ◽  
Vol 12 (4) ◽  
pp. 1037-1042
Author(s):  
M. Jamaluddin ◽  
Widiyaningsih Widiyaningsih ◽  
Dwi Kustriyanti

During pregnancy there are physiological and psychological changes that can cause discomfort such as leg cramps, difficulty breathing, back pain, depression, anxiety and sleep disorders. The prevalence of low back pain is around 60-80% which can lead to strain on the ligaments and fatigue in the abdominal muscles, as well as balance disorders. This will lead to disruption of activities during pregnancy, such as difficulty walking and sleep disturbances. To assess low back pain and sleep quality among pregnant women: cross sectional study. Cross-sectional data were collected by 37 pregnant women with inclusion criteria were third trimester pregnant women, willing to be a respondent, with normal blood pressure, and have not received any medication related sleep disorder. They completed the Pittsburgh Sleep Quality Index (PSQI) and Rolland-Morris Disability Questionaire (RDQ), statistical analysis was conducted using Pearson Correlation Product Moment. Research was conducted in Semarang and Kudus. Sleep quality among pregnant women demonstrated significanly poor overall sleep quality with PSQI score (mean 8.70 ± 3.511) and RDQ score (mean 8.97 ± 6.414). There was moderate correlation between low back pain with sleep quality (r correlation = 0.558). Low back pain have correlation to increase or decrease sleep quality among preganant women. 


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