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PubMed1993

Does television viewing increase obesity and reduce physical activity? Cross-sectional and longitudinal analyses among adolescent girls.

To examine the relationships between hours of television viewing and adiposity and physical activity among female adolescents, a cohort study with follow-up assessments 7, 14, and 24 months after baseline was conducted. All sixth- and seventh-grade girls (N = 971) attending four northern California middle schools were eligible to participate. Six hundred seventy-one students had sufficient data for baseline cross-sectional analyses, and 279 students in a no-intervention cohort had sufficient data for longitudinal analyses. The baseline sample had a mean age of 12.4 years and was 43% white, 22% Asian, 21% Latino, 6% Pacific Islander, 4% black, 2% American Indian, and 2% other. Hours of after-school television viewing, level of physical activity, and stage of sexual maturation were assessed with self-report instruments. Height, weight, and triceps skinfold thickness were measured and body mass index (ratio of weight [in kilograms] to height [in meters] squared) and triceps skinfold thickness were adjusted by level of sexual maturity for the analyses. Baseline hours of after-school television viewing was not significantly associated with either baseline or longitudinal change in body mass index or triceps skinfold thickness. Baseline hours of after-school television viewing was weakly negatively associated with level of physical activity in cross-sectional analyses but not significantly associated with change in level of physical activity over time. All results were essentially unchanged when adjusted for age, race, parent education, and parent fatness. Among adolescent girls, television viewing time appears to have only weak, if any, meaningful associations with adiposity, physical activity, or change in either over time.

Adolescent↗
PubMed1993

Effects of television on metabolic rate: potential implications for childhood obesity.

The effects of television viewing on resting energy expenditure (metabolic rate) in obese and normal-weight children were studied in a laboratory setting. Subjects were 15 obese children and 16 normal-weight children whose ages ranged from 8 to 12 years. All subjects had two measured of resting energy expenditure obtained while at rest and one measurement of energy expenditure taken while viewing television. Results indicated that metabolic rate during television viewing was significantly lower (mean decrease of 211 kcal extrapolated to a day) than during rest. Obese children tended to have a larger decrease, although this difference was not statistically significant (262 kcal/d vs 167 kcal/d, respectively). It was concluded that television viewing has a fairly profound lowering effect of metabolic rate and may be a mechanism for the relationship between obesity and amount of television viewing.

Analysis of Variance↗
PubMed1996

Local television news coverage of President Clinton's introduction of the Health Security Act.

OBJECTIVE: To investigate how local television news reported on health system reform during the week President Clinton presented his health system reform bill. DESIGN: Retrospective content analysis of the 1342-page Health Security Act of 1993, the printed text of President Clinton's speech before Congress on September 22, 1993, and a sample of local television news stories on health system reform broadcast during the week of September 19 through 25, 1993. SETTING: The state of California. RESULTS: During the week, 316 television news stories on health system reform were aired during the 166 local news broadcasts sampled. Health system reform was the second most frequently reported topic, second to stories on violent crime. News stories on health system reform averaged 1 minute 38 seconds in length, compared with 57 seconds for violent crime. Fifty-seven percent of the local news stories focused on interest group politics. Compared with the content of the Health Security Act, local news broadcasts devoted a significantly greater portion of their stories to financing, eligibility, and preventive services. Local news stories gave significantly less attention to cost-saving mechanisms, long-term care benefits, and changes in Medicare and Medicaid, and less than 2% of stories mentioned quality assurance mechanisms, malpractice reform, or new public health initiatives. Of the 316 televised news stories, 53 reported on the president's speech, covering many of the same topics emphasized in the speech (financing, organization and administration, and eligibility) and de-emphasizing many of the same topics (Medicare and Medicaid, quality assurance, and malpractice reform). Two percent of the president's speech covered partisan politics; 45% of the local news stories on the speech featured challenges from partisan politicians. CONCLUSIONS: Although health system reform was the focus of a large number of local television news stories during the week, in-depth explanation was scarce. In general, the news stories provided superficial coverage framed largely in terms of the risks and costs of reform to specific stakeholders.

Data Collection↗
PubMedDate not supplied

[Health discussions on television: different types of speakers for different types of representation].

The purpose of this paper is to distinguish different types of television speakers who, concurrently with the health professionals, talk about eight health-related behaviours. This analysis covered three weeks of television by two broadcasters (756 hours of television). We extracted from the television programs the messages and lifestyle images transmitted to the public on the above-mentioned behaviours. We discovered that the different television speakers (health professionals, journalists, show hosts and stars, everyday people, fictional characters, advertising and social marketing) are interested at very different levels by the studied behaviours, and thus contribute differently to the creation of health representation, which is not always in line with health promotion measures.

Attitude of Health Personnel↗
PubMed2001

Television literacy: comprehension of program content using closed captions for the deaf.

Recent legislation has made captioned television programs common technology; consequently, televised programs have become more accessible to a broader public. In the United States, television captions are generally in written English, yet the English-literacy rates among people who are deaf are low compared to hearing peers. This research tests the accessibility of television by assessing deaf and hearing students' comprehension of captions with and without visuals/video based on their ability to respond correctly to questions about the script and central details. Results indicate that reading grade level is highly correlated with caption comprehension test scores. Across caption conditions, comprehension test scores of students who are deaf were consistently below the scores of hearing students. The captioned video provided significantly better comprehension of the script for students who are deaf, suggesting that visual stimuli provide essential information for viewers who are deaf, which improves comprehension of televised script.

Journal Article↗
PubMed2006

Children's television viewing and objectively measured physical activity: associations with family circumstance.

BACKGROUND: The contribution of family circumstance to physical activity and television viewing has not been widely investigated in pre-adolescents, and available information is inconsistent. This study examines whether television viewing and objectively measured physical activity vary by different indicators of family circumstance. METHODS: Data from the 2001 Children's Leisure Activity Study and the 2002/3 Health, Eating and Play Study, involving Australian children in Grades Prep (mean age 6y) and 5-6 (mean age 11y), were combined. Children wore accelerometers for six consecutive 24 hour periods. Average min/day in low-intensity activity (1.0-1.9 METs) and moderate-to-vigorous-intensity activity (>or=3 METs) were calculated. Parents reported children's television viewing and family circumstance. Linear regression analyses were conducted separately for young girls, young boys, older girls and older boys. RESULTS: Complete data were available for 2458 children. Parental education and, to a lesser extent, employment level were inversely associated with television viewing. Children in single-parent families, those whose fathers were not in paid employment, and those without siblings tended to spend more time in low-intensity activity than their peers. Children with siblings spent more time in moderate-to-vigorous-intensity activity; associations were stronger for girls. Maternal education was positively associated with moderate-to-vigorous-intensity activity for younger children. Maternal employment was positively associated with moderate-to-vigorous-intensity activity for older children. Multivariable models did not demonstrate a cumulative explanatory effect. CONCLUSION: Individual measures of family circumstance were differentially associated with television, low-intensity activity and moderate-to-vigorous-intensity activity and associations were often not consistent across age-by-gender groups. Interventions may need to be tailored accordingly.

Journal Article↗
PubMed1984

A parent-administered program to reduce children's television viewing.

A parent-administered program to reduce television viewing of primary school-aged children was tested on two boys and three girls from three different families who were heavy viewers of television. Children were given 20 unearned tokens each week by their parents, which they could exchange for up to 10 hours of viewing time. The child earned a gold token for viewing in accordance with the rules for 4 consecutive weeks, which was exchanged for a reward. Parents were given instructions to follow the program independently. Data on hours of television viewing, homework, and reading were recorded each day by one or both parents. A multiple-baseline analysis of the effects of the TV reduction program indicated that children reduced their baseline television viewing by more than half once the program was implemented, and continued to maintain these changes 6 months and 1 year after the program was discontinued. Reading time increased for all children whereas effects on homework varied across children. The results support the effectiveness of a parent-administered program for nonbehavior problem children who watch excessive amounts of television.

Journal Article↗
PubMed2001

Outcomes from television sets toppling onto toddlers.

OBJECTIVE: To assess outcomes of trauma caused by television sets falling onto children. METHODS: Retrospective review of medical charts of 183 children aged 7 years and younger hospitalized for injuries caused by falling television sets. Descriptive statistics were applied. DATA SOURCES: Phase 2 (1988-1995) and phase 3 (1995-1999) of the National Pediatric Trauma Registry. OUTCOME MEASURES: Demographics, injured body region, injury severity measured by the Injury Severity Score, length of hospital stay, admission to the intensive care unit, surgical intervention, in-hospital death rate, disability resulting from the injury, and disposition at discharge from the hospital. RESULTS: The sample population represented 0.5% of all National Pediatric Trauma Registry admissions in this age group. More than half (57.4%) of the children were boys, and more than three quarters (76.0%) were 1 to 4 years of age. In most cases (95.1%), the injury occurred at home. Most children (68.3%) sustained head injury, and 43.7% sustained injuries to multiple body regions. More than a quarter (28.4%) of the children had injuries of moderate to critical severity (Injury Severity Score, 10-75), about a third (31.1%) required admission to the intensive care unit, and 20.2% needed 1 or more surgical interventions. The average length of hospitalization was 3.3 days. Five children (2.7%) died, and 48 (26.2%) developed functional limitations, which required discharge to a rehabilitation facility in 5 cases. Most (94.0%) of the children returned to their home. The proportion of television set-related injuries increased more than 100% during the study period. CONCLUSIONS: The injuries reported are not trivial. Not only did they require hospitalization, but they also resulted in an in-hospital death rate comparable to the 2.5% rate observed in children of the same age group injured by unintentional blunt trauma, inclusive of motor vehicle traffic-related injuries. Since virtually all American children are at risk for such injury, we suggest that television set designs be modified to reduce the incidence and severity of the problem.

Accidents, Home↗
PubMed2003

Television watching and soft drink consumption: associations with obesity in 11- to 13-year-old schoolchildren.

OBJECTIVES: To determine the prevalence of obesity among sixth- and seventh-grade students in a school-based setting, and to identify lifestyle parameters associated with obesity. METHODS: Sixth- and seventh-grade students (n = 385, 186 boys and 199 girls) from 3 schools participated in a school-based screening study, and 319 completed a short questionnaire. Height and weight were measured, and body fat as a percentage of body weight was obtained using a Tanita bioelectrical impedance scale. RESULTS: Overall, 35.3% of students had a body mass index (BMI; calculated as the weight in kilograms divided by the height in meters squared) at or above the 85th percentile, and half these students (17.4%) had a BMI at or above the 95th percentile. Rates were higher among Latino and lower among Asian than non-Hispanic white students. Significant associations were found between BMI and hours of television watched per evening and daily soft drink consumption. The mean (SE) BMI z score for those watching less than 2 hours per night (0.34 [0.09]) was lower than for those watching 2 or more hours per night (0.82 [0.08]; P<.001). The mean (SE) BMI z score for those consuming less than 3 soft drinks per day (0.51 [0.07]) was lower than for those consuming 3 or more soft drinks per day (1.02 [0.13]; P =.003). Latino students watched more television (2.4 hours per night) than did non-Hispanic white or Asian students (1.3 hours per night; P<.001 for each) and consumed more soft drinks (1.6 per day) than non-Hispanic white students (1.1 per day; P =.004) or Asian students (0.7 per day; P<.001). CONCLUSIONS: Time spent watching television and the number of soft drinks consumed were significantly associated with obesity. Latinos spent more time watching television and consumed more soft drinks than did non-Hispanic white or Asian students. These findings will be beneficial in developing preventive measures for these children.

Adolescent↗
PubMed1995

Advertised foods on children's television.

OBJECTIVE: To assess the quantity and nutritional value of foods advertised on children's television following new regulations and an expanded number of networks. RESEARCH DESIGN: Children's television hours were surveyed (with use of a method modeled on previously published studies, for purposes of comparison). SETTING: Seven local network affiliates; all but one are broadcast nationally. RESULTS: Children viewed an average of 21.3 commercials per hour, each lasting an average of 28.6 seconds. Food advertisements accounted for 47.8% of these commercials. Ninety-one percent of advertised foods are high in fat, sugar, and/or salt. Compared with data collected before new regulations and networks, children now watch more numerous but shorter commercials. Cereals and sweet snacks are advertised proportionately less. Processed foods, canned and prepared foods, and dairy products are more frequently advertised. The proportion of foods high in fat, salt, and sugar has not changed. CONCLUSIONS: Commercials advertising unhealthy foods account for a large portion of children's televised viewing time. Current regulations and the incursion of cable networks into the children's television market have not meaningfully impacted the nature or number of food advertisements.

Advertising↗
PubMed2002

Locus of control, television viewing, and eating disorder symptomatology in young females.

The purpose of this study was to assess the effects of locus of control and television watching (number of hours of television watched per week) on eating disorder symptomatology in girls between the ages 10-17 years. A 2 x 2 factorial design was employed in which girls were identified either as (a) being higher or lower viewers of television, and (b) having either an external or internal locus of control. Girls with an external locus of control had significantly greater eating disorder symptomatology than those with an internal locus of control. For girls watching higher amounts of television, those having an external locus of control had significantly greater eating disorder symptomatology than those having an internal locus of control.

Adolescent↗
PubMed1997

Preschool children's attention to television: visual attention and probe response times.

Moment-to-moment variations in the engagement of young children's cognitive capacity by televised material were examined using a secondary task paradigm. Thirty-five 5-year-olds watched a 35-min Sesame Street program containing three types of segments: normal segments, segments with scenes reordered, and segments with incomprehensible language audio tracks. While watching the program, children were to respond quickly to auditory probes distributed across all types of segments and positions within segments. Probe response times and visual attention were recorded. Major findings were: As indicated by longer probe response times, capacity was more effectively engaged if language was comprehensible, provided children were looking at television when probes were presented. If not looking, response times were equally fast across segment types. For normal segments only, there were increases in the engagement of cognitive capacity if a look at the television or the program content had been continuous for some time. The findings provide evidence for, but important refinements of, the hypothesis that young children's ongoing comprehension is a major determinant of their attention to television.

Attention↗
PubMed2004

[Health in today's media society. Institutional health education and television entertainment].

The article sketches concepts of entertaining health education programmes on television as discussed in the new sub-discipline of health communication in Germany and describes some examples and aspects of cooperation between the Federal Center for Health Education (BZgA/FCHE) Cologne as an institutional health education agency and German television partners. Specific chances and problems of entertaining forms of mass media health education on television are discussed. Finally, perspectives for institutional health education in relation to television are discussed.

Forecasting↗
PubMed1982

Calibration and performance of a 3-dimensional television system for kinematic analysis.

A three-dimensional television system for kinematic analysis has been developed using television cameras connected to a digital computer. Reflective markers on the limbs of the subject are illuminated by stroboscopes, and show up as bright spots in the television image. A television/computer interface generates the two-dimensional coordinates of these spots, and stores them on disk for later analysis. A three-dimensional calibration procedure has been developed which requires an initial survey to be made of the measurement area, but thereafter takes only a few minutes to perform on a day-to-day basis. The television system has been in routine use for over a year, and it has proved rapid, reliable and easy to use, both for purely kinematic studies, and together with a pair of forceplates for combined kinetic/kinematic studies.

Biomechanical Phenomena↗
PubMed1989

The television, school, and family project. V. The impact of curriculum delivery format on program acceptance.

Social psychological interventions have been successful in preventing drug and tobacco use in adolescents, but target audience involvement has not been well documented. Examination of program acceptance is necessary to avoid ambiguity when interpreting findings within and across studies. This report presents results from a program acceptance study of a seventh-grade smoking/drug-use prevention and cessation field trial. The research design is an assessment of two experimentally manipulated variations in program delivery on the program acceptance of all provider and target groups involved. Experimental manipulations included classroom and mass broadcast television demonstrations of social resistance skills against pressures to smoke and use drugs. Three aspects of target audience program acceptance were assessed: participation, satisfaction, and perceived program efficacy. Respondents included the target audience (seventh-grade students and parents), instructors, classroom observers, and school administrative staff. Strong main effects of television delivery on student and parent participation were observed. The findings suggest the usefulness of student homework assignment to view television segments with parents at home as a strategy to achieve family involvement in school-based programs. Both television and classroom delivery separately demonstrated significant positive effects on overall program acceptance with moderate interactive effects on perceived program efficacy. While classroom teacher/observers and school administrators reported strong preferences for the experimental (social resistance) classroom curriculum, acceptance of experimental and comparison (information-based) curricula by the student/parent target audience was equivalent.

Curriculum↗
PubMed1991

Characteristics of participants in a televised smoking cessation intervention.

Participants in various components of a televised self-help smoking cessation program, based on the American Lung Association's Freedom From Smoking in 20 Days, are compared with a sample of the population of smokers to whom the intervention was addressed. Over 325,000 smokers in the target population were exposed to the program at some level. Most watched televised segments. Approximately 75,000 manuals were distributed and about 55,000 were used. Comparisons between participants and the targeted smoking population indicate that the intervention attracted those in the smoking population who are expected to be the majority of smokers by the Year 2000-blacks, females, and those with incomes under $13,000 per year. Participants with these characteristics were most likely to view the televised segments. Heavy smokers, females, and those with the most education were most likely to refer to the manual at least twice a week during the intervention. Older, nonblack participants and those with incomes of $13,000 or more per year were most likely to attend group support sessions outside the home. Overall, the patterns of association indicate that although a televised smoking cessation program can attract individuals similar to those projected to be smokers in 2000, participation in various components of the intervention will vary by demographic characteristics.

Adolescent↗
PubMed1989

Attitudes of adolescents and parents of adolescents concerning condom advertisements on television.

The major television networks have considered airing condom advertisements. A Louis-Harris poll entitled "Attitudes About Television, Sex and Contraceptive Advertising" conducted in early 1987 concluded that at least 60% of adult Americans were in favor of such advertisements. To better understand the attitudes of adolescents and parents of adolescents in a private practice setting toward contraceptive advertisement on television, the present study was performed. Between March and June 1987, 108 parents of adolescents, 100 adolescent females, and 90 adolescent males filled out a questionnaire asking their opinions of such advertisements. Eighty-three percent of the parents, 89% of adolescent females, and 92% of adolescent males approved of such advertisements. The data suggest that a majority of adults and adolescents approve of condom advertisements on television. The use of the media to take advantage of the present opportunity to educate and promote birth control and disease prevention to our adolescent population may be beneficial.

Adolescent↗
PubMed1986

Does televised drinking influence children's attitudes toward alcohol?

Fifth and sixth grade children randomly assigned to experimental and control groups saw videotaped television programs in which the drinking of alcoholic beverages by the principal characters appeared in the experimental condition but not the control condition. Parents' drinking and home television watching were similar for both groups. Immediately after viewing the television programs, the children completed alcohol attitude and subjective expected utility (SEU) questionnaires. There were no significant differences in attitudes or SEU scores with one exception. Among boys only, those who saw the film with drinking were significantly more likely to respond that the good things about alcohol are more important than the bad things. Further research into the potential effects on children of drinking on television serials is indicated.

Alcohol Drinking↗