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Biomedical subjects

B Giles-Corti

Publications and source records attributed to B Giles-Corti.

11 recordsLinked to original sources

An update of recent evidence of the relationship between objective and self-report measures of the physical environment and physical activity behaviours.

The physical environment has the potential to influence the physical behaviours of large numbers of people; hence creating supportive environments has the potential to increase physical activity (PA). During the last decade, there has been growing interest in how the physical environment shapes PA behaviour. This area of research is important given that levels of PA participation are declining globally. Literature was reviewed that examined the association between physical environmental attributes and PA behaviours. The environmental attributes were grouped into four categories based on a conceptual framework of environmental factors that might influence PA and included functionality, safety, aesthetics and destinations. Positive associations were found between both perceived and objectively measured environmental factors and PA behaviour. The availability, accessibility and convenience of destinations and facilities, as well as the general functionality of the neighbourhood (eg, the presence of sidewalks, traffic conditions) and aesthetics were positively associated with various levels of PA. The review highlights the need for future studies: to examine behaviour-specific environmental attributes, to collect objectively-measured environmental data and to include both objective and perceived environmental data in the same studies, and to adopt prospective study designs to allow causal relationships to be established.

Environment↗

Creating SunSmart schools.

Kidskin was a sun-protection intervention study involving 1776 children attending 33 primary schools in Perth, Western Australia. There were three study groups: a control group, a moderate intervention group and a high intervention group. In addition to receiving a specially designed curricular intervention (1995-1998), the moderate and high intervention groups received an environmental intervention aimed at creating SunSmart schools (1996-1998). The environmental intervention focused on encouraging implementation of 'No hat, no play' policies and reducing sun exposure at lunchtime. In 1995 and 1998, observational methods were used to measure children's lunchtime sun exposure (i.e. polysulfone film badges) and hat wearing (i.e. video-taping of children). The proportion of children wearing broad-brimmed hats or legionnaire caps increased in seven of the eight high intervention schools between 1995 and 1998. In three schools, however, the impact was very positive with almost all children wearing these hats in 1998. There was no improvement in wearing these types of hats in either the moderate intervention group or the control group. In terms of sun exposure, there were only small non-significant differences among the three groups in terms of lunchtime sun exposure. The Kidskin program had a positive effect on hat wearing in the playground, but did not change children's use of shade at lunchtime. In this study, disseminating policy guidelines to schools using a mail-only strategy was ineffective, even when combined with an awards program. More information on 'champions' who bring about change in schools is required.

Child↗

Filthy or fashionable? Young people's perceptions of smoking in the media.

Research has shown that the media over-estimates smoking rates and often associates smoking with favorable attributes or situations. Given that the media plays a large role in influencing youth culture, portrayal of smoking in the media is of concern. In order to explore young people's perceptions of smoking imagery in the media, 16 focus groups were conducted with 117 school students. Participants were asked to rate smoking images selected from audio-visual and print media, and to discuss their perceptions of these images. The results showed that young people perceived smoking in these media selections to be normal and acceptable. They identified with the stress-relieving and social aspects of smoking, despite being well aware of the harmful health effects. Its acceptability as part of a 'cool' image was also noted. Positive images of smoking in the media have the potential to down-play the serious health consequences of smoking by portraying it in a way that young people interpret as a normal part of everyday life. They may also encourage a more neutral or tolerant attitude towards smoking among young people and therefore act to counteract other health promotion efforts to reduce teenage smoking.

Adolescent↗

Reduced sun exposure and tanning in children after 2 years of a school-based intervention (Australia).

OBJECTIVE: This paper presents the results of the evaluation of measured suntan and parent-reported sun exposure in participating children after 2 years of the Kidskin study, a 5-year school-based sun protection intervention undertaken in Perth, Western Australia (1995-1999). METHODS: The study involves three groups: a control, a "moderate", and a "high" intervention group. Participants were 5 or 6 years of age at the beginning of the study. Control schools received the standard Health Education curriculum, while intervention schools received a multicomponent intervention including a specially designed curriculum. Children in the high intervention group also received program materials over the summer vacation and were offered sun-protective swimwear at low cost. At the end of the second summer, suntan was measured and parents completed a questionnaire about their child's sun-related behavior. RESULTS: Children in the intervention groups--especially the high group--were less tanned at the end of the summer; this effect was greater for the back than for the forearms. These children were also reported to have received less sun exposure and made greater use of sun protection measures. CONCLUSION: Intensive school-based interventions can reduce tanning and reported sun exposure in children.

Child↗

Increasing mouthguards usage among junior rugby and basketball players.

OBJECTIVE: To evaluate a Western Australian mouthguard promotion campaign, launched at the start of the 1997/98 junior rugby union and junior basketball seasons, aimed at increasing mouthguard usage at competition and training. METHOD: A quasi-experimental field design was used to assess the impact of the mouthguard campaign on behavioural change. Observational data were collected pre- and post-campaign on mouthguard usage by players present at a rugby and basketball competition event and at a training session. Junior Australian Rules Football players were used as a control group. RESULTS: Pre-post observational surveys showed a significantly greater increase in mouthguard usage in competition games among rugby union (77% to 84%) and basketball players (23% to 43%) compared with the control group (72% to 73%). All codes showed a post-campaign increase in mouthguard usage at training, but the intervention codes' increases were greater than the control's increase (rugby union: 29% to 40%; basketball: 11% to 36%; football: 34% to 40%). CONCLUSIONS: The campaign had a significant and substantial effect on behaviour and provides evidence of the benefits of leveraging a sponsorship to modify the behaviour of the target group. IMPLICATIONS: This campaign provides a model for promoting mouthguard usage in other sports among junior players.

Adolescent↗

Methodological considerations when conducting direct observation in an outdoor environment: our experience in local parks.

OBJECTIVE: This paper discusses some of the inherent methodological limitations of gathering data via direct observation using local parks as a case study. METHODS: Direct observation was carried out in five parks on seven non-consecutive days in 1998 and on matched days in 1999. Information recorded for each person included the time of park entry and exit, gender, age group, and activity/ies undertaken while in the park. METHODOLOGICAL CONSIDERATIONS: The location of the observation point, observer reliability, recording and accuracy of data, and specific issues related to outdoor observation areas should all be considered when designing a study incorporating direct observation as a data collection method. CONCLUSIONS: Direct observation can provide valuable information. However, pilot testing is essential for minimising potential problems associated with this method and optimising data quality. IMPLICATIONS: The issues discussed in this paper provide a useful guide for other researchers undertaking direct observation in outdoor environments.

Data Collection↗

Creating smoke-free environments in recreational settings.

To facilitate the banning of tobacco industry sponsorship, Australian health promotion foundations were established to provide health sponsorship to sport, arts, and racing organizations. Health sponsorship dollars procure health sponsorship benefits such as naming rights, signage, personal endorsement of a (health) product by a performer or player, and structural controls such as smoke-free policies. Data are presented from surveys and observations of spectators attending events sponsored by the West Australian Health Promotion Foundation (Healthway) and surveys of Healthway-sponsored organizations and the community. The results demonstrate that by using health sponsorship, Healthway increased the prevalence of smoke-free policies in recreational settings, and there was growing support for these policies. There was evidence of good compliance with smoke-free policies, thus reducing exposure to environmental tobacco smoke. The introduction of smoke-free policies in recreational settings has involved working collaboratively with sectors outside of health, taking an incremental approach to change, and gaining the support of stakeholders by communicating evaluation results.

Attitude to Health↗

Improved sun protection behaviour in children after two years of the Kidskin intervention.

OBJECTIVE: To evaluate a school-based intervention in terms of reducing children's sun exposure and improving their use of sun protection measures. METHODS: 'Kidskin' is a five-year, school-based intervention study in Perth, Western Australia, of a cohort of children who were five or six years old in 1995. The study involves three groups: control, 'moderate' and 'high' intervention. Children in the control schools received the standard health curriculum; those in the intervention schools received a multicomponent intervention, including a specially designed curriculum. Children in the high intervention group also received program materials over the summer holidays and were offered sun-protective swimwear at a low cost. After two years, parents completed a questionnaire about their child's sun-related behavior. RESULTS: Children in the intervention groups--especially the 'high' group--were reported to have had less sun exposure. This involved covering the back more often, spending more time in the shade when outdoors and wearing a style of swimsuit that covered the trunk. There was also evidence that children in the intervention groups spent less time outdoors in the middle of the day. There was little difference between groups in the wearing of hats or sunscreen. CONCLUSIONS: Our school-based intervention improved children's sun protection, but had little effect on specific behaviours that have already been vigorously promoted. IMPLICATIONS: School-based prevention campaigns would benefit from focusing on sun protection using clothing and shade, and reducing sun exposure in the middle of the day. There may be little potential to improve hat and sunscreen use.

Child↗

Complementary therapies and the general practitioner. A survey of Perth GPs.

OBJECTIVE: The purpose of this study was to identify the knowledge, attitudes and referral patterns of general practitioners (GPs) toward 10 specific complementary therapies. METHOD: The study was a descriptive cross-sectional postal survey, conducted between July 1998 and August 1998 inclusive. A random selection of 200 male and 200 female Western Australian GPs residing in Perth and listed in the Australian Medical Association database file of registered GPs. RESULTS: The response rate was 74.8% (n = 282). Over 90% of these GPs reported having been approached by more than 30 patients seeking their advice about complementary therapies in the past nine months. The majority of these patients were women, over the age of 35 years. Ten complementary therapies were listed in the questionnaire: acupuncture, hypnosis, meditation, spinal manipulation, yoga, homeopathy, herbal medicine, naturopathy, massage and aromatherapy. Just under half (132) of the respondents had undertaken studies in at least one of the listed complementary therapies, with over 60% reporting a wish for further training. Overall, 67.8% (191) of all respondents reported they were in favour of GP referrals to complementary therapists. However, 56.1% (158) were against complementary therapies being included in rebates for private health insurance. Overall, 75.0% (211) of GPs surveyed had already formally referred a patient to one or more of the listed therapies, the most frequent of these being acupuncture, massage, meditation, hypnosis and spinal manipulation as a part of their overall medical treatment. CONCLUSION: Perth GPs have a high level of interest in complementary therapies. Government regulation and registration of complementary therapies is seen by GPs as important in order to ensure professional standards of practice. Given the high level of interest, provision of undergraduate and postgraduate education in complementary therapies could be considered. In addition, the development of clinical guidelines would be of benefit.

Adult↗

Increasing the reach of health sponsorship: using a "sponsorship kit" to promote health.

In Australia, a tobacco tax provides funding for Healthway, the Western Australian Health Promotion Foundation. Healthway provides sponsorships for the arts and racing and sporting events to replace funds previously provided by tobacco companies. These sponsorships provide visibility for Healthway and positive health messages. Normally, Healthway staff attends these events to help promote health messages. To reduce Healthway staff time spent helping event organizers promote health messages, Healthway developed a sponsor kit of promotional materials which communicate health messages without requiring Healthway staff to attend events. Recognition, awareness, comprehension, and acceptance of health messages was comparable at events that featured Healthway staff versus the sponsor kits, but the average cost of the sponsorship kits was only 40% of the cost when Healthway staff was featured.

Advertising↗