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Biomedical subjects

Adrian Bauman

Publications and source records attributed to Adrian Bauman.

At least 19 recordsLinked to original sources
PubMed2007

Physical activity and endometrial cancer risk: a review of the current evidence, biologic mechanisms and the quality of physical activity assessment methods.

OBJECTIVES: To (1) determine the nature of the association between physical activity and endometrial cancer risk; (2) assess the contribution of variation in the quality of physical activity measurement to inconsistencies in study results; and (3) review the biologic mechanisms that might mediate possible effects of physical activity on risk. METHODS: We reviewed and summarized all published epidemiologic studies examining physical activity and endometrial cancer risk, and evidence relating to possible biologic mechanisms. We assigned each study a quality score for physical activity measurement. RESULTS: Fourteen of the 18 studies showed a convincing or possible protective effect of physical activity on endometrial cancer risk, with an average relative risk reduction of around 30%. A dose-response relation was observed in 7 of 13 studies. The quality score was not related to the observed strength of association or the presence of a dose-response relation. There was epidemiologic and biologic evidence that vigorous activity, as well as light and moderate intensity activities, such as housework, gardening or walking for transportation, may reduce risk. CONCLUSIONS: Physical activity probably has a protective role in endometrial cancer development. More epidemiologic and biologic evidence is needed to make conclusive recommendations on optimal types, characteristics or time periods of physical activity.

Endometrial Neoplasms↗
PubMed2006

Holiday waistline. Jolly, fit and fat: should we be singing the "Santa Too Fat Blues"?

Santa Claus's apparent weight gain, much chronicled in the popular media, raises the question of whether his jolly persona could be at risk. We investigate why Santa remains jolly, even though he is becoming obese, and what factors could be keeping him upbeat. Measures of body mass, mental health and physical activity were collected from a representative cohort of Canadian adults surveyed in 1988 and again 15 years later. Remaining sedentary was generally associated with a low jolly quotient (JQ). In addition, a "healthy weight" pattern and remaining "sedentary" was associated with higher odds of a low JQ than remaining or becoming obese (from overweight) while staying active. Although mechanisms for understanding how Santa remains active are yet to be elucidated, we have uncovered a few clues and conclude that Santa indeed remains jolly particularly because he is active, and that a GIFT (graduated intensity fitness training) is good for combating the "Santa Too Fat Blues."

Activities of Daily Living↗
PubMed2006

Mass community cycling events: who participates and is their behaviour influenced by participation?

BACKGROUND: Participation in mass physical activity events may be a novel approach for encouraging inactive or low active adults to trial an active behaviour. The public health applicability of this strategy has not been investigated thoroughly. The purpose of this study to was describe participants in a mass cycling event and examine the subsequent effect on cycling behaviour. METHODS: A sample of men and women aged 16 years and older (n = 918) who registered online for a mass cycling event reported cycling ability and number of times they rode a bicycle during the month before the event. One month after the event participants completed an online follow-up questionnaire and reported cycling ability, lifestyle physical activity, and number of times they rode a bicycle during the month after the event. McNemar's test was used to examine changes in self-rated cycling ability, and repeated measures mixed linear modeling was used to determine whether average number of monthly bicycle rides changed between pre-event and post-event assessment. RESULTS: Participants in the cycling event were predominantly male (72%), 83% rated themselves as competent or regular cyclists, and 68% rated themselves as more active than others of the same sex and age. Half of the survey respondents that rated their cycling ability as low before the event subsequently rated themselves as high one month after the event. Respondents with low pre-event self-rated cycling ability reported an average 4 sessions of bicycle riding the month before the event and an average 6.8 sessions of bicycle riding a month after the event. This increase in average sessions of bicycle riding was significant (p < .0001). Similarly, first-time participants in this particular cycling event significantly increased average sessions of cycling from 7.2 pre-event to 8.9 sessions one month after the event. CONCLUSION: Participants who were novice riders or first time participants significantly increased their number of bicycle rides in the month after the event. Further knowledge about the public health applicability of mass events is needed, and methods for attracting less active and novice individuals to participate remain to be developed.

Journal Article↗
PubMed2006

Social capital, socio-economic status and psychological distress among Australian adults.

High levels of social capital may be associated with positive mental health in adults. However, quantifying the various dimensions of social capital has presented a challenge due in part to the diverse definitions and measures used. Data from a representative, population-wide survey of Australian adults aged 16 years and older were used to investigate the links between dimensions of social capital and mental health morbidity. Social capital comprised three constructs and was measured at the individual level: feelings of trust and safety, community participation and neighbourhood connections and reciprocity. Mental health was measured by the 10-item Kessler (K10) instrument and assessed symptoms of psychological distress (i.e., depression and anxiety) over the previous month. Community participation showed a weak, and neighbourhood connections and reciprocity a moderate association with distress. Having higher levels of trust and feeling safe were consistently associated with low levels of psychological distress, after adjusting for socio-demographic characteristics and health conditions. The results clearly demonstrate that having trust in people, feeling safe in the community and having social reciprocity are associated with lower risk of mental health distress. The implications for conceptualising and measuring the individual and collective (contextual) dimensions of social capital are discussed. The findings also suggest the importance of examining the interrelationships between socio-economic status, social capital and mental health for community-dwelling adults.

Adolescent↗
PubMed2006

BC Walks: replication of a communitywide physical activity campaign.

INTRODUCTION: Individuals not engaging in recommended amounts of moderate-intensity physical activity are deemed insufficiently active and are at greater risk of chronic disease. Social marketing strategies may promote positive changes in physical activity levels among insufficiently active individuals. METHODS: A quasi-experimental design was used to determine whether the results of a previous communitywide physical activity social marketing campaign conducted in Wheeling, WVa (population, 31,420) could be replicated in the larger community of Broome County, New York (population, 200,536). BC Walks promoted 30 minutes or more of moderate-intensity daily walking among insufficiently active residents of Broome County, New York, aged 40 to 65 years. Promotion activities included paid advertising, media relations, and community health activities. Impact was determined by preintervention and postintervention random-digit-dial cohort telephone surveys in intervention and comparison counties. We assessed demographics, walking behavior, moderate and vigorous physical activity, and campaign awareness. RESULTS: The paid advertising included 4835 television and 3245 radio gross rating points and 10 quarter-page newspaper advertisements. News media relations resulted in 28 television news stories, 5 radio stories, 10 newspaper stories, and 125 television news promotions. Exposure to the campaign was reported by 78% of Broome County survey respondents. Sixteen percent of Broome County participants changed from nonactive to active walkers; 11% changed from nonactive to active walkers in the comparison county (adjusted odds ratio, 1.71; 95% confidence interval, 0.99-2.95). Forty-seven percent of Broome County respondents reported any increase in total weekly walking time, compared with 36% for the comparison county (adjusted odds ratio, 1.66; 95% confidence interval, 1.14-2.44). CONCLUSION: The BC Walks campaign replicated the earlier Wheeling Walks initiative, although increases in walking were smaller in the BC Walks campaign.

Adult↗
PubMed2006

Walkability of local communities: using geographic information systems to objectively assess relevant environmental attributes.

Geographic Information Systems (GIS) can be used to objectively measure features of the built environment that may influence adults' physical activity, which is an important determinant of chronic disease. We describe how a previously developed index of walkability was operationalised in an Australian context, using available spatial data. The index was used to generate a stratified sampling frame for the selection of households from 32 communities for the PLACE (Physical Activity in Localities and Community Environments) study. GIS data have the potential to be used to construct measures of environmental attributes and to develop indices of walkability for cities, regions or local communities.

Adult↗
PubMed2006

Pathways to the first contact with specialist mental health care.

OBJECTIVE: To examine the pathways to mental health care followed by patients presenting for the first time to community- and hospital-based services and the degree to which individual characteristics, cultural background, illness type, severity and service-related variables influence the time and pathways taken to reach care. METHOD: One hundred and forty-six consecutive Australian-born, Asian and Arabic-speaking patients making their first lifetime contact with mental health services in two area health regions were included. Symptom severity was assessed using the Health of the Nations Outcome Scales. Illness explanatory models, social support, English-language proficiency and acculturation were also assessed. RESULTS: An average of three professional consultations were made prior to first contact with public mental health services. Family physicians occupied a pivotal role in the help-seeking pathway with 53% of patients consulting a general practitioner. The median time taken to reach specialist mental health services was 6 months, with significantly shorter time for patients with psychotic disorders. Individual variables such as gender, social support, ethnicity and English fluency were not associated with delays in receiving public mental health care. Ethnicity was associated with lower utilization of allied health professionals. CONCLUSIONS: The data suggest that social and cultural factors influence the range of professionals consulted by those with a mental illness but do not delay their presentation to public mental health services.

Acculturation↗
PubMed2006

Physical activity measurement--a primer for health promotion.

As the importance of physical activity is recognised in health promotion, the task of measuring it becomes a central research and practice challenge. Measurement of physical activity is important to policy makers interested in population surveillance, as well as to practitioners interested in programme evaluation and research. This review outlines 'best practice' in physical activity measurement, and provides an inventory of established physical activity and related measures for use in health promotion programme evaluation, research and surveillance at the national and local level.

Australia↗
PubMed2005

Active commuting to school among NSW primary school children: implications for public health.

Regular active commuting by walking/cycling can help maintain an active lifestyle. The frequency, duration and correlates of school active commuting were examined for primary school children in NSW, Australia. Walking/cycling-only and in combination with bus/car were of short duration (median 7 or 4 min, respectively) and their frequency dropped within a short distance (>0.75 km) from school. Apart from distance, child's age, school affiliation and perceived safety, regular walking/cycling (10 trips, 22%) was associated with parents' travel mode to work and with father taking the child to school. Frequent walking/cycling (5 trips, 37%) was associated with child's level of independence and the perceived benefits of active commuting. Behaviour change in this setting requires multi-level strategies.

Bicycling↗
PubMed2005

The place of physical activity in the WHO Global Strategy on Diet and Physical Activity.

In an effort to reduce the global burden of non-communicable disease, the World Health Organization released a Global Strategy for Diet and Physical Activity in May 2004. This commentary reports on the development of the strategy and its importance specifically for physical activity-related work of NGOs and researchers interested in increasing global physical activity participation. Sparked by its work on global efforts to target non-communicable disease prevention in 2000, the World Health Organization commissioned a global strategy on diet and physical activity. The physical activity interest followed efforts that had led to the initial global "Move for Health Day" in 2002. WHO assembled a reference group for the global strategy, and a regional consultation process with countries was undertaken. Underpinning the responses was the need for more physical activity advocacy; partnerships outside of health including urban planning; development of national activity guidelines; and monitoring of the implementation of the strategy. The consultation process was an important mechanism to confirm the importance and elevate the profile of physical activity within the global strategy. It is suggested that separate implementation strategies for diet and physical activity may be needed to work with partner agencies in disparate sectors (e.g. urban planning for physical activity, agriculture for diet). International professional societies are well situated to make an important contribution to global public health by advocating for the importance of physical activity among risk factors; developing international measures of physical activity and global impacts of inactivity; and developing a global research and intervention agenda.

Journal Article↗
PubMed2005

Patterns of walking for transport and exercise: a novel application of time use data.

BACKGROUND: Walking for exercise is a purposeful or structured activity that can be captured relatively easily in surveys focused on leisure time activity. In contrast, walking for transport is an incidental activity that is likely to be missed using these same assessment approaches. Therefore, the purpose of this analysis was to utilize 1997 Australian Bureau of Statistics (ABS) Time Use Survey diary data to describe nationally representative patterns of walking for transport and for exercise. METHODS: Household members >or= 15 years of age were recruited from over 4,550 randomly selected private dwellings in Australia. Time use diaries were collected for two designated days during all four seasons over the calendar year. 3,471 males and 3,776 females (94% household response rate and 84% person response rate) provided 14,315 diary days of data. The raw diary data were coded and summarized into bouts and minutes that included walking for transport and for exercise. RESULTS: Walking for transport was indicated on a higher proportion of days compared to walking for exercise (20 vs. 9%). Based on participant sub-samples ('doers'; those actually performing the activity) walking for transport was performed over 2.3 +/- 1.4 bouts/day (12.5 minutes/bout) for a total of approximately 28 mins/day and walking for exercise over 1.2 +/- 0.5 bouts/day (47 minutes/bout) for a total of approximately 56 mins/day. CONCLUSION: Although walking for transport is typically undertaken in multiple brief bouts, accumulated durations approximate public health guidelines for those who report any walking for transport.

Journal Article↗
PubMed2005

Health behaviour and lifestyle of Pacific youth surveys: a resource for capacity building.

The changing global socio-economic environment over the last two decades has had significant ramifications for the health and development of youth in lower- and middle-income countries. In the Pacific region, young people are exposed to similar causes of ill-health as their peers in developed countries. This paper describes the development, implementation and major findings of the Health Behaviour and Lifestyle of Pacific Youth (HBLPY) surveys, a regional initiative to obtain representative data about health-related behaviour and needs of adolescents in Vanuatu, Tonga and the Federated States of Micronesia. The Pacific HBLPY is modelled on the WHO Europe Health Behaviour in School-aged Children (HBSC) surveys. The surveys, undertaken in 2000-2001, were built upon strong local partnerships and were undertaken with youth participation to ensure survey ownership. A regional technical group was formed to provide training and support to strengthen health survey capacity of youth and their agencies. The findings showed that tobacco was most commonly used substance, with 29.7% of 15-year-old boys and 15.7% of girls smoking weekly. Over half of the students did not engage in physical activity for at least 2 h per week; these rates are substantially lower than those usually found in Europe. Dietary habits among this group are also of concern, reflecting international trends away from highly nutritious traditional diets. The HBLPY surveys have shown that it is possible to collect population-based data in lower- and middle-income countries so that appropriate youth health programmes and policies can be developed. Implementation of an ongoing surveillance system similar to the HBLPY model in these countries warrants further investigation. Such initiatives should be supported at the regional and global level.

Adolescent↗
PubMed2005

Food advertising on Australian television: the extent of children's exposure.

The objective of this study was to investigate the extent and nature of food advertising during Australian children's television (TV) viewing hours and programs, and to determine whether confectionery and fast food restaurant advertisements were more likely to be broadcast during children's programs than during adults' programs on Sydney television stations. One week (390 h) of Australian advertising data broadcast during children's TV viewing hours over 15 television stations were analysed to determine the proportion of food advertisements and, in turn, the proportion of those advertisements promoting foods high in fat and/or sugar. One week (346 h) of confectionery and fast food restaurant advertisements broadcast over three Sydney television stations were analysed to determine whether these types of advertisements were more likely to be advertised during children's programs than adults' programs. Half of all food advertisements promoted foods high in fat and/or sugar. 'Confectionery' and 'fast food restaurants' were the most advertised food categories during children's TV viewing hours. Confectionery advertisements were three times as likely, and fast food restaurant advertisements twice as likely, to be broadcast during children's programs than adults' programs. It can be concluded that foods most advertised during children's viewing hours are not those foods that contribute to a healthy diet for children. Confectionery and fast food restaurant advertising appears to target children. Australian children need protection from the targeted promotion of unhealthy foods on television, but currently little exists.

Advertising↗
PubMed2005

Disability and health service utilization associated with psychological distress: the influence of ethnicity.

This study examined levels of disability and use of health services, as a result of psychological distress, across various ethnic groups after taking into account selected sociodemographic factors such as age, gender, education, and employment. We have analyzed data from the 1997-1998 New South Wales Health Survey, Australia. A telephone interview of 35,025 adults aged 16 years and over selected from each of the 17 Health Service Areas in the state. While people from non-English speaking backgrounds were more likely to suffer high levels of disability as a result of psychological distress, they were less likely to utilize health services compared to those from English speaking backgrounds. This was particularly true for those born in Southern and South-East Asia as well as the Middle East and Africa. Further research into the reasons underlying these findings for each ethnic group is warranted.

Adolescent↗
PubMed2005

Residents' perceptions of walkability attributes in objectively different neighbourhoods: a pilot study.

Physical attributes of local environments may influence walking. We used a modified version of the Neighbourhood Environment Walkability Scale to compare residents' perceptions of the attributes of two neighbourhoods that differed on measures derived from Geographic Information System databases. Residents of the high-walkable neighbourhood rated relevant attributes of residential density, land-use mix (access and diversity) and street connectivity, consistently higher than did residents of the low-walkable neighbourhood. Traffic safety and safety from crime attributes did not differ. Perceived neighbourhood environment characteristics had moderate to high test-retest reliabilities. Neighbourhood environment attribute ratings may be used in population surveys and other studies.

Adult↗