[Pregnancy and food habits. Food habits of high school girls--the status of the future mothers].
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Adolescent↗
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[Health and food habit--studies of food habit changes among the people of Tonga].
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Adult↗
[Pregnancy and food habits. The postwar history of food habits in Japan--with special reference to the current trends].
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Feeding Behavior↗
Human engineering and habitability: the critical challenges for the International Space Station.
As the duration of spaceflight increases, the impact of habitability on mission success becomes significant. Habitability is based on the qualities and capabilities of an environment that enable people to work and live. Poor habitability can impact productivity, safety, well-being, and performance. The International Space Station (ISS) Operational Habitability Project has been established to address the increased role of habitability for ISS. The primary objective of the project is to establish a pool of data from which opinions and decisions for judging and improving habitability on ISS will be generated. The main activities of the project are to: 1) collect and interpret data related to habitability on ISS; 2) identify Operational Habitability Lessons Learned; and 3) provide data summaries, judgments, and recommendations for the improvement of habitability. As an example, the ISS Operational Habitability Project has provided significant inputs to a current ISS issue regarding stowage. In this situation, a lack of prioritization on habitability resulted in a less than ideal situation. Operational Habitability data from previous missions was identified and summarized to provide inputs to assist in working the issues toward a resolution that supports habitability on ISS.
Aerospace Medicine↗
Effects of oral habits' duration on dental characteristics in the primary dentition.
BACKGROUND: Studies dating to the 1870s have demonstrated that long-term nonnutritive sucking habits may lead to occlusal abnormalities, including open bite and posterior crossbite. However, little is known as to whether habits of shorter durations have lasting effects. METHODS: The authors collected longitudinal data on nonnutritive sucking among children through a series of questionnaires regularly completed by parents. Researchers examined the children at ages 4 to 5 years and obtained study models. The models were measured for dental arch parameters (including arch width, arch length and arch depth) and assessed for overjet, overbite and posterior crossbite. The authors compared the dental arch and occlusal conditions among groups of children with nonnutritive sucking habits of different durations. RESULTS: Children with nonnutritive sucking habits that continued to 48 months of age or beyond demonstrated many significant differences from children with habits of shorter durations: narrower maxillary arch widths, greater overjet and greater prevalence of open bite and posterior crossbite. In addition, compared with those who ceased their habit by 12 months of age, those with habits at 36 months of age had significantly greater mandibular canine arch widths, maxillary canine arch depths and overjet, while those with habits at 24 months and 36 months had significantly smaller palatal depths. Prevalence of anterior open bite, posterior crossbite and excessive overjet (> 4 millimeters) increased with duration of habits. CONCLUSIONS: While continuous nonnutritive sucking habits of 48 months or longer produced the greatest changes in dental arch and occlusal characteristics, children with shorter sucking durations also had detectable differences from those with minimal habit durations. CLINICAL IMPLICATIONS: It may be prudent to revisit suggestions that sucking habits continued to as late as 5 to 8 years of age are of little concern.
Analysis of Variance↗
Possibilities for, and obstacles to, CPR training among cardiac care patients and their co-habitants.
AIM: To investigate the level of cardiopulmonary resuscitation (CPR) training among cardiac patients and their co-habitants and to describe the possibilities for, and obstacles to, CPR training among this group. METHODS: All patients admitted to a coronary care unit during a four-month period were considered for participation in an interview study. Out of 401 patients, 268 were co-habiting. This study deals with these subjects. RESULTS: According to the answers given by the patients, 46% of the patients and 33% of the co-habitants had attended a CPR course at some time. Among those who had not previously attended a course, 58% were willing to attend, and 60% of the patients whose co-habitant had not received CPR education, wanted him or her to attend a course. The major obstacle to CPR training was the patient's own medical status. The major obstacle to the co-habitant's participation was the patient's doubts concerning their partner's physical ability or willingness to participate. Younger persons were more often willing to undergo training than older persons (p < 0.0001). Of those patients who had previously attended a course or who were willing to undergo training, 72% were prepared to do so together with their co-habitant. A course specially designed for cardiac patients and their relatives was a possible alternative for 75% of those willing to participate together with their co-habitant. CONCLUSIONS: Two-thirds of the patients did not believe that their co-habitant had taken part in CPR training. More than half of these would like their co-habitant to attend such a course. Seventy-two percent were willing to participate in CPR instruction together with their co-habitant. Major obstacles to CPR training were doubts concerning the co-habitant's willingness or physical ability and their own medical status.
Aged↗
Family influence on current smoking habits among secondary school children in Kota Bharu, Kelantan.
OBJECTIVES: To measure the prevalence of cigarette smoking among male secondary school children and assess their family influence especially that of their fathers' smoking habits on their current smoking habits. METHODOLOGY: A cross-sectional study was carried out in Kota Bharu, Kelantan in April 1997 where 460 male form four students, aged 15-16 years were randomly selected from six secondary schools. Data on smoking habits, sociodemographic profile and family characteristics particularly parents and siblings' smoking habits, perceived parental supervision and communication were collected through self-administered questionnaires. RESULTS: The prevalence of cigarette smoking among male secondary school children was 33.2%. Crude analysis shows family factors, fathers' and siblings' smoking habits, and lack of parental supervision were significantly associated with the students' current smoking habit. Among students who smoked compared to non-smokers, father's smoking habit gives a crude Odds Ratio = 1.8, 95% C.I. 1.08 - 3.16. Further analysis shows that the effect of their father's smoking habit on the student's current smoking habit is still significant after controlling for other familial and non-familial factors including parental supervision, academic performance, reported influence of cigarette advertisement, having friends who smoked and the student's poor knowledge of the ill-effects of smoking and other factors (Odds Ratio = 1.9, 95% C.I 1.05 - 3.32). In conclusion, family factors especially the father's smoking habit is an important factor that influences a student's current smoking habit and the presence of negative role models within the home need to be seriously considered in any cigarette smoking prevention programs among secondary school adolescents.
Adolescent↗
Sucking habits in Saudi children: prevalence, contributing factors and effects on the primary dentition.
A review of the literature on the prevalence of sucking habits shows that it varies from one population to another. The purposes of this study were to: 1) determine the prevalence of sucking habits among preschool Saudi children living in Riyadh City, 2) assess the influence of some cultural factors on that prevalence, and 3) to study the effect these habits might have on the primary dentition. This cross-sectional study was conducted through a survey questionnaire and clinical examination of 583 Saudi children aged 3-5 years using a stratified cluster random sampling technique. The prevalence of sucking habits was 48.36% with the dummy-sucking as the dominant type. Most dummy-suckers had broken their habits in the first few years of life while more digit-suckers were still active at age 5 years. Sucking habits were only related to parents' education and the child feeding methods without significant effect of gender or birth rank or family income. Children with existing digit sucking habits had significantly (P < 0.05) more distal molar and class II canine relationships, larger overjet, and open bite than did children without sucking habits. These differences were even more significant (P < 0.01) when dummy-suckers were compared with nonsuckers. The only measurable effect of previous sucking habits was a more open bite. Posterior crossbite was no more common in children with sucking habits than in children without these habits.
Birth Order↗
Profile of non-nutritive sucking habits in relation to nursing behavior in pre-school children.
Although a number of investigators have studied the prevalence and etiology of non-nutritive sucking habits in children, no consensus exists among dental and medical experts in respect to the contributing factors and preventing behaviors. Furthermore, changes in the rearing practices of children make management of such habits even more complicated. The purpose of the present study was to investigate finger and pacifier sucking habits among pre-school children, and its possible relationship to nursing behavior. Parental attitudes towards sucking habits were also registered. Questionnaires were sent to parents of 600 children, three to five years old, following an oral examination in a private office. Children attended kindergartens that were randomly selected from the area of Athens, Greece. Questions regarding the nursing patterns-breast or bottle feeding-characteristics of finger and pacifier sucking habits, parental attitudes towards sucking habits, as well as recommendations of the pediatricians were included. Three hundred and sixteen questionnaires were returned by parents. Results indicated that pre-school children discontinued a pacifier sucking habit earlier compared to a finger habit. Pacifiers showed a preventive effect against finger sucking, since only 2% of the sample examined practiced both habits. Breast feeding was not clearly associated with sucking habits; however, long bottle feeding periods were related with decreased finger sucking and high figures of pacifier sucking. The majority of pediatricians were not in favor of an intervention in breaking a finger sucking habit of the child.
Attitude to Health↗
Habit versus choice: the process of decision-making in health-related behaviour.
Social differences in the role of habits in health-related behaviour are explored within both sociology and economics, where we define habits as non-reflective, repetitive behaviour. The corresponding theoretical perspectives are the habitus theory, the theory of individualization, and habits as rational decision rules. Sixteen thematically structured interviews are analysed using qualitative methodology. Three aspects of habits emerged from the narrative: the association between habits and preferences, habits as a source of utility, and the relationship between habits and norms. We find that people in lower social positions are more inclined to rely on their habits and are accordingly less likely to change their behaviour. These differences are reinforced as not only the disposition to maintain habits but also the tendency to conceive of the habitual as something good seems to be strengthened in lower social positions. We also note that the intensified individualization that characterizes current society erodes the basis for habit-governed behaviour, which may also contribute to social differences in well-being. Finally, we find that the scientific dialogue has enriched both scientific paradigms, and suggest as a tentative hypothesis that the traditional economic rational-actor model may be relatively less applicable to those with limited resources.
Attitude to Health↗
[Prevalence of oral habits and teeth alterations in schoolchildren from Valencia (Spain)].
INTRODUCTION: Oral habits are acquired through the repetition of actions that serve to calm an emotional need of the child. All these oral habits can change the position of the teeth and arches. Pediatricians should identify these habits to instigate successful treatment. OBJECTIVE: The aim of the present study was to determine the prevalence of oral habits in 1,100 Valencian schoolchildren and identify the dental alterations associated with these habits. MATERIAL AND METHODS: Between January and June 2003, 1,100 children aged between 4 and 11 years old were examined by two observers, a dentist and a pediatrician, who were specially trained to detect anomalous habits. RESULTS: The prevalence of each of the distinct habits studied varied. CONCLUSIONS: The conclusions of our study were: a) the prevalence of oral habits was 53 %; b) no differences in oral habits were found between boys and girls, and c) open bite, maxillary cross-bite and overjet can be related to oral habits, although this association was not statistically significant.
Child↗
Physical exercise habit: on the conceptualization and formation of habitual health behaviours.
An observation one can make when reviewing the literature on physical activity is that health-enhancing exercise habits tend to wear off as soon as individuals enter adolescence. Therefore, exercise habits should be promoted and preserved early in life. This article focuses on the formation of physical exercise habits. First, the literature on motivational determinants of habitual exercise and related behaviours is discussed, and the concept of habit is further explored. Based on this literature, a theoretical model of exercise habit formation is proposed. More specifically, expanding on the idea that habits are the result of automated cognitive processes, it is argued that physical exercise habits are capable of being automatically activated by the situational features that normally precede these behaviours. These habits may enhance health as a result of consistent performance over a long period of time. Subsequently, obstacles to the formation of exercise habits are discussed and interventions that may anticipate these obstacles are presented. Finally, implications for theory and practice are briefly discussed.
Adolescent↗
[Oral habits. Etiology and treatment].
Oral habits have been described by psychologists and psychyatrists as psychodynamic phenomena. Dentists are concerned with oral habits because of the detrimental consequences they have in the oral facial system. The dentist who is in a position to confront a child with an oral habit in order to treat his dentinofacial problems is required to be aware of the psychological background of his patient as well as of the conditions under which the children do the habit in order to overcome emotional difficulties. The dentist should also search into the child's family to find out what the causes of the child's oral habit maybe. For the treatment of an oral habit the dentist should ensure both the child's and the family's cooperation and he should be aware of the advantages and disadvantages of every available method for treatment. Methods of treatment are: Use of orthodontic appliances: This method has the disadvantage that disturbs the child's psychological need for the habit, it can be interpreted as a punishment, it is visible and it causes speaking difficulties. It should be applied only in cooperation with the child. Behavioristic technique: This method aims to reinforce the child's positive behavior according to the Skinnerian principle: stimulus-response-reward. It has fast results but it is a conditioned treatment. Psychoanalytic method: It could solve the problem of the child's primary need for the oral habit in a radical manner. However it is practically impossible to be applied in Dentistry. Behavior modification according to ego psychology. With this method we attempt to analyse and understand the psychological cause of an oral habit.(ABSTRACT TRUNCATED AT 250 WORDS)
Behavior Therapy↗
Habit learning in Tourette syndrome: a translational neuroscience approach to a developmental psychopathology.
BACKGROUND: The etiology of Tourette syndrome (TS) involves disturbances in the structure and function of the basal ganglia. The basal ganglia mediate habit learning. OBJECTIVE: To study habit learning in persons with TS. DESIGN: Patients with TS were compared with normal controls in performance on a probabilistic classification, or habit-learning task (weather prediction). SETTING: University research institute. PARTICIPANTS: One hundred twenty-three children and adults, 56 with a diagnosis of TS and 67 healthy control subjects. MAIN OUTCOME MEASURES: Habit learning was assessed by the extent of improvement in accuracy of predictions and reaction times over trial blocks during performance of the weather prediction task. Declarative learning was assessed by performance on 3 tasks that required intact declarative memory functioning. RESULTS: Children with TS were impaired at habit learning relative to normal controls (P = .01). This finding was replicated in the independent sample of adults with TS (P = .01). The rate of learning correlated inversely with the severity of tic symptoms across both samples (r = -0.34; P = .01). Thus, impaired learning accompanied more severe symptoms. Measures of declarative memory functioning, in contrast, were normal in the TS groups. CONCLUSIONS: Striatal learning systems are uniquely dysfunctional in both children and adults with TS. The correlation of habit learning with symptom severity suggests that the number and severity of tics are a function of the degree to which the system for habit learning is dysfunctional. Thus, both the deficits in habit learning and the tic symptoms of TS are likely to be consequences of the previously reported anatomical and functional disturbances of the striatum in children and adults who have TS. The existence of a well-developed animal model for this learning system, which permits study of the neural and molecular bases of habit learning, has important implications for the neurobiological study of TS and for the development of new or improved therapeutics for this condition.
Attention Deficit Disorder with Hyperactivity↗
Beyond the principle of plentitude: a review of terrestrial planet habitability.
We review recent work that directly or indirectly addresses the habitability of terrestrial (rocky) planets like the Earth. Habitability has been traditionally defined in terms of an orbital semimajor axis within a range known as the habitable zone, but it is also well known that the habitability of Earth is due to many other astrophysical, geological, and geochemical factors. We focus this review on (1) recent refinements to habitable zone calculations; (2) the formation and orbital stability of terrestrial planets; (3) the tempo and mode of geologic activity (e.g., plate tectonics) on terrestrial planets; (4) the delivery of water to terrestrial planets in the habitable zone; and (5) the acquisition and loss of terrestrial planet carbon and nitrogen, elements that constitute important atmospheric gases responsible for habitable conditions on Earth's surface as well as being the building blocks of the biosphere itself. Finally, we consider recent work on evidence for the earliest habitable environments and the appearance of life itself on our planet. Such evidence provides us with an important, if nominal, calibration point for our search for other habitable worlds.
Environment↗
The digit sucking habit and related factors: observations from a child dental health clinic in Nigeria.
An increased prevalence of the digit sucking habit among Nigerian children has been reported. Certain factors are believed to influence its occurrence. This study was carried out to assess these factors and determine possible correlation with the onset and persistence of the habit. The sample population consisted of 81 children--52 females and 29 males aged 3-16 years who were still actively digit sucking. Findings in this group were compared with a control group made up of 80 children aged 2-16 years who were not digit suckers and had no history of the habit. Results showed no correlation between mode of infant feeding and the digit sucking habit. The duration of breast-feeding was found to have a significant effect on the habit. About 79% of non-suckers had been breast-fed for more than 6 months while only 43.2% of digit suckers were breast-fed for the same duration. The digit sucking habit was observed more frequently in children with mothers in high cadre occupations (53.1%) compared to non-suckers (23.8%). More digit suckers (22.2%) than non-suckers (12.5%) were reported to have a history of pacifier use. Neither family size nor position of the child in the family had a significant effect on the occurrence of the habit. In addition, 48.1% of the sample population had siblings with the same habit compared to 16.2% of the controls. The identification of significant factors may be useful in targeting interventions in order to prevent consequences of the prolonged habit.
Adolescent↗
[Effects of food intake, dietary habits and life style on health status as determined by clinical blood tests of adult men].
A survey of the frequency of various kinds of foods, dietary habits, life style, and health status was performed on 2,049 men aged from 40 to 59 living in an urban area who were participants in a "human dock" medical checkup. The relationships between these factors and health status were studied in order to identify a particular life style associated with good health status. The instrument utilized in this survey was a special form of a structured questionnaire. The results are summarized below. 1. The frequency of various kinds of foods were correlated with the kind of breakfast eaten, dietary habits, physical exercise habits, daily physical activity, smoking, and occupation. The strongest correlation to frequency of various kinds of foods was found to be with the kind of breakfast eaten and dietary habits. 2. Dietary habits were also correlated to various aspects of life style: smoking, drinking, the frequency of various kinds of foods, kind of breakfast eaten, daily physical activity, sleeping hours, habits related to physical exercise, and the frequency of meals eaten away from home. Dietary habits correlated most closely with the frequency of various kinds of foods and daily physical activity. The frequency of various kinds of food and dietary habits were found to correlate with various aspects of life style, and those subjects with good overall life styles were also found to have desirable dietary life styles. The correlation of desirable dietary habits, food intake and a suitable life style with good health status was confirmed by the results of clinical blood tests used as an index of health status.(ABSTRACT TRUNCATED AT 250 WORDS)
Blood Chemical Analysis↗
Personal health habits and symptoms of depression at the community level.
This investigation examined the relationship between lifestyle, as defined by common health habits, and symptoms of depression in a general community sample. The study was conducted using data from a longitudinal survey involving four interviews of 1,003 Los Angeles County adults. The survey focused on the epidemiology of depression and help-seeking behavior, which included questions about seven health habits identified in the Alameda County Study as predictive of health status. The group used for this analysis comprised 752 adults who participated in and had usable depression scores (as measured with the 20-item CES-D scale) at all interviews. Depression prevalence rates were higher for six of the seven "poor" health habits examined compared with the "good" health habit. Prevalence odds ratios were greater than 2.0 for poor sleeping and drinking habits (both sexes) and equaled 1.8, among women only, for poor physical activity and smoking habits. Multivariate regression analyses showed a simple sum of the total number of good habits to be a significant independent predictor of depression after controlling for prior depression and various sociodemographic factors. The finding of an independent contribution of health habits to depression status emphasizes that lifestyle may influence mental as well as physical health.
Adult↗