Association of sleep quality with sociodemographic factors and lifestyle in adolescents from southern Brazil

Background

Good sleep quality is an essential component for growth, development, and physical and mental health of the individual, in addition to being a positive indicator of health and well-being. The objective of this study was to estimate the prevalence of poor sleep quality and to identify the association of poor sleep quality with sociodemographic factors, lifestyle, weight status, and associated aerobic fitness in adolescents.

Methods

This study included 1110 students aged 14–19 years from city of São José/SC, Brazil. Sleep quality of the subjects was assessed using a questionnaire and classified as adequate and low. Independent variables were gender, age, monthly household income, maternal education, school shift, global physical activity, proper diet, screen time, sleeping hours of full week, sleeping hours of weekdays, sleeping hours of weekends, weight status, and aerobic fitness. Binary logistic regression was used to estimate odds ratios and confidence intervals of 95%.

Results

Prevalence of poor sleep quality was 60.4%. More likely to have poor sleep quality were identified in female students (OR 1.68, 95% CI 1.11–2.55), whose mothers had higher levels of education (OR 1.44, 95% CI 1.20–1.73) and low aerobic fitness (OR 1.80, 95% CI 1.02–3.19).

Conclusion

Adolescents who were most likely to report poor sleep quality were female, those whose mothers had a higher educational level and had low aerobic fitness. Students with sedentary risk behavior were less likely of reporting poor sleep quality.

     

Acne in Victorian adolescents: Associations with age, gender, puberty and psychiatric symptoms

Objectives: This study aimed to examine the associations between the frequency and severity of self-reported acne and age, gender, puberty and psychiatric symptoms in Victorian adolescents.
Methodology: A sample of secondary schoolchildren in Victoria, Australia were surveyed using a computerized questionnaire. Developmental and psycho-social factors associated with acne were recorded and analysed using logistic regression.
Results: The Victorian Adolescent Health Survey (1992) recorded the frequency and severity of self-reported acne in 2491 students. Frequency of acne increased with age and pubertal development. For females commencement of menstruation was associated with increased frequency of acne. Asian born male students were less likely to report acne than Australian born males. Acne severity was coded into mild (students reporting acne sometimes on back or face) and moderate (students reporting acne often on face or back). Students reporting moderate acne were more likely to report a high level of psychiatric symptoms and were in the later stages of puberty.
Conclusions: This study confirms an association between the frequency and severity of self-reported acne and stage of pubertal development. It showed also that students reporting moderate acne were more likely to report psychiatric symptoms of depression and anxiety.     

小于胎龄儿幼儿期生活质量及其影响因素的研究

目的 了解小于胎龄儿(SGA)幼儿期的生活质量与适于胎龄儿(AGA)比较是否存在差异,并调查影响SGA 生活质量的因素.方法 采用婴幼儿生活质量问卷表(ITQOL SF-47)对儿保门诊就诊的出生时为SGA 和AGA 的1~3 岁幼儿进行生活质量调查,分别比较SGA 组(n=203)与AGA 组(n=130)、SGA 追赶组(n=119)与无追赶组(n=84)、SGA 首次儿保随访组(n=144)与多次儿保随访组(n=59)的生活质量.采用广义线性模型分析法调查影响SGA 生活质量的因素.结果 SGA 组ITQOL 总分低于AGA 组(630±99 vs 716±84,PPPP结论 SGA 幼儿期的生活质量低于同龄正常儿童.适当促进追赶生长及定期儿童保健对提高SGA 的生活质量有益;儿童性别、居住地、母亲文化程度对SGA 幼儿期的生活质量也有影响.     

Height velocity, body fat and menarcheal age of Indian girls

OBJECTIVE: To understand the onset of menarche in relation to changes in physical measurements that take place during adolescence, especially the changes in height velocity and changes in body fat. DESIGN: Adolescent girls in the 9-16 year age group were observed longitudinally every six months for a period of two years. SETTING: Girls from schools catering to urban high socio-economic class (HSE, n = 135) and those catering to low socio-economic class (LSE, n = 398) were evaluated. METHODS: Six monthly measurements of weight, height and triceps skinfold thickness (TSFT) were done. Menarcheal age was recorded by recall method for the girls who were menstruating at the beginning of the study and prospectively for girls whose onset was after the initiation of the study. Body fat (%) was estimated using weight, height and TSFT. RESULTS: The girls from LSE not only had lower attained weight, height, skinfold thickness at triceps and body fat but also had a significant difference (p < 0.05) in menarcheal age (15.4 yr) as compared to girls from HSE (12.1 yr). Although social class differences delayed the occurrence of the event by chronological age, the time between peak height velocity (PHV) and onset of menarche remained similar (1.5 yr) irrespective of social class. The mean weight at menarche, at group level (but not at individual level), was around 38 kg in both socio-economic classes, irrespective of age at onset. Further menarche represented the point of maximum deceleration in height velocity and maximum acceleration in body fat in both social classes. CONCLUSION: Our data indicated a partial support for critical weight hypothesis and suggested that these limits vary from community to community. The analysis revealed that rather than absolute values of weight, height and body fat, changes in these measurements are of significance with regard to onset of menarche.     

生命早期过敏体质形成及其影响因素

哮喘是变态反应性疾病的重要组成,也是儿童最常见的慢性疾病之一,具有过敏体质的个体是哮喘的高发人群。其预防的分级定义为：基础预防(一级预防)：指消除一切尚未导致疾病发生的高危／致病因素;二级预防是疾病发生后尽早进行诊断和治疗;三级预防则是将疾病的危害降至最低限度。虽然,     

Cognitive deficits in adolescents who developed diabetes early in life

A comprehensive battery of neuropsychological tests was administered to 125 adolescents with a history of insulin-dependent diabetes, and to 83 demographically similar nondiabetic control subjects. To test the hypothesis that developing this disease early in life greatly increases the risk of manifesting significant cognitive impairments, diabetic subjects were assigned to an "early-onset" (diagnosis before age 5 years) or a "later-onset" subgroup. Results showed that subjects with early onset of diabetes performed more poorly than either subjects with later onset of diabetes or nondiabetic control subjects on virtually all tests, including measures of intelligence, school achievement, visuospatial ability, memory, motor speed, and eye-hand coordination. Moreover, multiple regression analyses demonstrated that the age at onset and the duration of diabetes seem to affect neuropsychological functioning in very different ways. The duration of the disease best predicted performance on those tests requiring highly overlearned, primarily verbal, skills whereas the age at onset best predicted scores on tests requiring the ability to process relatively unfamiliar, typically nonverbal, information in novel ways. Although the etiology of these deficits remains unclear, there is a possibility that they are secondary to mild brain damage that develops as a consequence of multiple episodes of serious hypoglycemia early in life.     

Associations of age and gender with activity and sleep

Associations between age/gender and activity/sleep (measured by actigraphs) in 66 healthy children aged 5-12 y were studied. With increasing age, daytime motor activity and total sleep time decreased and activity pattern changed. No gender differences were found. It was concluded that in this age group there is an age-dependent change in the amount and pattern of motor activity and sleep due to developmental and/or environmental factors.     

Quality of life and psychologic adjustment in children and adolescents with early treated phenylketonuria can be normal

OBJECTIVES: To assess quality of life and psychologic adjustment in children and adolescents with early treated phenylketonuria (PKU). STUDY DESIGN: Cross-sectional study. METHODS: Assessment of 37 patients with PKU between 3 and 18 years of age (mean, 10.9 years), with parents used as informants. The TNO-AZL Questionnaire for Children's Health-Related Quality of Life and Child Behavior Checklist scores were compared with healthy reference groups. Predictive values of sociodemographic and clinical variables for quality of life and psychologic adjustment were assessed. RESULTS: Most dimensions of quality of life in children with PKU were not different from reference values. The only deviation in the PKU group was a reduction of positive emotions. Psychologic adjustment in patients with PKU was better than in a healthy reference group. Whereas sociodemographic variables and phenylalanine levels in the 12 months preceding the study were not associated to quality of life and psychologic adjustment, a long-term negative effect of higher phenylalanine levels during the first year of life on some dimensions of quality of life and psychologic adjustment could be identified. CONCLUSIONS: Although the results may not necessarily apply to patients with PKU in other geographic or socioeconomic contexts, they demonstrate that normal health-related quality of life and good psychologic adjustment is an achievable goal in children with PKU.     

儿童肥胖与哮喘在生命早期的共同危险因素

儿童哮喘与肥胖是当今世界的两项重大健康问题.在过去的几十年里,两者的发病率均有明显的升高.尽管已有大量的临床和基础研究发现两者的相关性及可能的发病机制,但两者是如何相关联的仍不甚清楚.肥胖与哮喘均有着生命早期的起源,这些起源的共同部分包括共同的基因片段、产前营养、肠道菌群的定植、出生体质量的情况以及生活方式等.     

Micronutrients deficiency and associated sociodemographic factors in Chinese children

Background

Although the prevalence of malnutrition has decreased, micronutrient deficiency still exists among children. While iron level has been studied, limited information on serum levels of zinc in Chinese children is available. This study aims to describe the status of micronutrients and its association with sociodemographic factors, and to assess associated risk factors.

Methods

A cross-sectional study was performed on 1375 Chinese preschool children. Venous blood samples were collected and analyzed for zinc and iron by atomic absorption spectrophotometry. Sociodemographic information was obtained from self-administered questionnaires given to the parents.

Results

The high prevalence of low serum zinc (38.2%) and iron (24.3%) was found. Children from rural preschools had the lowest zinc levels, whereas those from urban preschools had the lowest iron levels. Children living in small houses had the highest prevalence of low serum zinc (47.1%), and children from small families (≤3 persons) had a higher prevalence of low serum zinc than those from large families (41.8% vs. 34.1%).

Conclusions

Our findings in the recent socioeconomic development of China suggest the need for continuous monitoring of nutritional factors and highlight the importance of public health implication in preschool children even in developed regions.     

Perinatal risk factors for recurrent wheeze in early life

The possible value of tidal flow volume (TFV) loops measured at birth in relation to the risk of developing recurrent or persistent bronchial obstruction within two years of life was assessed. TFV loops were measured at a mean age of 2.7 days in 802 neonates enrolled in the ‘Environment and Childhood Asthma’ (ECA) study in Oslo. Of these, 77 children developed recurrent or persistent bronchial obstruction (cases) and were included in a nested case–control study within the ECA study; 88 controls (the child born closest in time to the case), with no history of bronchial obstruction in the first two years of life, were also included. Information on socio-economic factors, parental atopic diseases and parental smoking habits during the pregnancy was collected from a questionnaire completed by the parents in the maternity ward, and cord blood IgE (CB-IgE) was determined as part of routine sampling in the delivery ward. Mean t_PTEF/t_E (time to reach peak flow to total expiratory time) was slightly lower in cases (0.31; 95% CI 0.28–0.34) than in controls (0.33; 0.31–0.35) (difference not significant), whereas geometric mean CB-IgE was significantly higher among cases (0.39; 0.30–0.52) than controls (0.27; 0.23–0.33). No significant differences between cases and controls were found for respiratory rate, peak tidal expiratory flow or expiratory volume. However, the odds ratio for developing recurrent or persistent bronchial obstruction was 3.5 (1.1–11.6) if t_PTEF/t_E was < 0.20 and 4.1 (1.1–14.5) with maternal daily smoking during the pregnancy, after adjusting for age, weight, sex, CB-IgE, parental atopy, maternal education and family income. The TFV parameter t_PTEF/t_E < 0.20 measured within the first week of life as well as maternal daily smoking during pregnancy are significant, independent risk factors for developing recurrent or persistent bronchial obstruction within the first two years of life.     

不同营养状况下儿童青少年骨龄发育提前或落后的风险分析

目的 分析不同营养状况下儿童青少年的骨龄发育特点,探讨超重、肥胖及消瘦与骨龄发育提前或落后的相关性。方法 运用CHN法对2012年1月至2019年2月期间在首都儿科研究所附属儿童医院就诊的4~18岁7 062例（男3 310例,女3 752例）儿童的左手腕部骨龄进行评价,利用“儿童生长发育与营养评估系统”计算体质指数Z值（BMIZ）,BMIZ＜-2为消瘦组,BMIZ＞+1和BMIZ＞+2分别为超重组和肥胖组,比较不同性别和营养状况下骨龄年龄差（BAD）的差异,并对超重、肥胖儿童骨龄提前的发生风险进行分析。结果 消瘦和正常儿童平均骨龄与年龄相符,超重、肥胖儿童骨龄提前,且女童提前幅度大于男童,超重男、女童分别提前1.10岁和1.36岁（P=0.000）;肥胖男、女童分别提前1.60岁和1.78岁（P=0.000）。与正常体重相比,超重男、女童骨龄提前的风险分别增加2.358倍（95% CI：2.759~4.086）和2.483倍（95% CI：2.928~4.144）;肥胖男、女童骨龄提前的风险分别增加5.820倍（95% CI：5.066~9.181）和7.537倍（95% CI：6.319~11.534）;消瘦男、女童骨龄落后的风险分别增加1.540倍（95% CI：1.481~4.355）和3.790倍（95% CI：2.245~10.221）（P均＜0.05）。结论 超重肥胖增加骨龄提前的风险,超重男、女童骨龄提前风险接近,肥胖女童骨龄提前风险大于男童。消瘦增加骨龄落后的风险。     

The relation of menarcheal age to obesity in childhood and adulthood: the Bogalusa heart study

Background  

Several studies have shown that girls who undergo menarche at a relatively young age tend to be more obese as adults. However, because childhood (pre-menarcheal) levels of weight and height are associated with an earlier menarche, the increased prevalence of adult obesity among early maturers may largely reflect the persistence of childhood obesity into adulthood.     

Growth status and menarcheal age among adolescent school girls in Wannune,Benue State,Nigeria

Background  

Menarcheal age is a sensitive indicator of environmental conditions during childhood. The aim of study is to determine the age at menarche and growth status in adolescents in a rural area of Tarka, Wannune, Nigeria.     

High rate of coronary artery abnormalities in adolescents and young adults infected with human immunodeficiency virus early in life

We completed a cross-sectional study of individuals infected with human immunodeficiency virus in early childhood using cardiac magnetic resonance imaging and magnetic resonance angiography. Coronary artery abnormality (CAA) was defined by the presence of luminal narrowing and irregularity of the coronary vessel wall. More than 50% of participants (14/27) had evidence of CAA. Individuals had a high rate of CAA, suggesting possible early atherosclerosis.     

Self-perceived health among early adolescents: Role of psychosocial factors

BACKGROUND: The authors examined self-perceived health and psychosocial health in 10-15 year old children and the relationship between children's self-perceived health and a set of psychosocial health status measurements. METHODS: Data were collected from middle school students (n = 548; age range, 10-15 years of age; mean, 12.2 years; SD, 1.2 years) using randomly selected classes from four schools in different school districts in Szeged, Hungary. The self-administered questionnaires contained items on sociodemographics; school achievement; height and weight (body mass index); self-perceived health and fitness; health behaviors; and anger and psychosomatic health. The self-perceived health variable was dichotomized and expressed with poor/fair or good/excellent perceptions of one's own health. RESULTS: Most of the children evaluated their own health as excellent or good. Logistic regression analyses revealed that poor academic achievement, socioeconomic status self-assessment, smoking, alcohol use, sports activity, self-perceived fitness, and high levels of anger and psychosomatic symptoms were associated with an increased likelihood of reported poor/fair perceptions of health. CONCLUSIONS: Findings reflect that psychosocial factors are important influences of self-perceived health in an early adolescent population.     

Wheezing in early life and asthma at school age: Predictors of symptom persistence

Early childhood wheezing is associated with asthma later in life. However, the high spontaneous recovery rate and the lack of firm predictors for persistence of wheezing complicates the development of evidence-based guidelines for long-term management of wheezy infants and toddlers. Our aim was to define variables that could be used to identify wheezy individuals younger than 3 years of age who would continue to be symptomatic at school age. The method used was a questionnaire-based cross-sectional survey of 2027 randomly chosen, 6–13-year-old school children. Altogether 1829 (90%) questionnaires were returned. Emergency medical care had been sought for 186 (10.2%) children for wheezing during the first 3 years of life, and only 17.2% of these children had received similar emergency treatment during the 12 months preceding the survey. The total proportion of children with current asthma at school age was 11.4%. A logistic regression analysis indicated that for the early wheezers, a family history of asthma, an itchy rash or food allergy, and exposure to tobacco smoke at home before the age of 3 years, were all independently associated with symptom persistence until school age. Among all wheezy children younger than 3 years, those who have a history of food allergy, itchy rash, asthma occurrence in a sibling or parent, or are exposed to tobacco smoke during the first years of life are at highest risk for symptom persistence until school age.