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Biomedical subjects

Christina D Economos

Publications and source records attributed to Christina D Economos.

2 recordsLinked to original sources

Using focus groups to develop a bone health curriculum for after-school programs.

INTRODUCTION: Childhood behaviors influence peak bone mass and osteoporosis risk in later life. The after-school environment provides an opportunity to enrich a child's learning and experience. Our objective was to gain a better understanding of the knowledge of, attitudes and beliefs about, and barriers to achieving bone health among children, parents, and after-school program leaders from low-income, ethnically diverse communities. Findings led to the development, implementation, and evaluation of a bone health curriculum in the after-school setting. METHODS: Eight focus groups were conducted in three representative communities. Focus group participants included children aged six to eight years, parents of children aged six to eight, and after-school program staff. Transcripts and written notes from each session were reviewed and common themes were identified within each group. RESULTS: Most adults had some understanding of osteoporosis, but did not recognize that childhood behaviors had a role in developing the disease. Program leaders raised concerns about their ability to implement a health program and recommended a flexible format. Parents and program leaders recognized the importance of maintaining a fun atmosphere. CONCLUSION: It is feasible to create a curriculum for a bone health program that meets the unique needs and interests of children and program leaders in the after-school setting. Addressing the needs, interests, and common barriers of the target population is an essential first step in curriculum development.

Bone and Bones↗

Relationship between quantitative ultrasound, anthropometry and sports participation in college aged adults.

The college years are an opportune timepoint of intervention in the primary prevention of osteoporosis. Physical activity is an important modifiable risk factor, yet national surveys reveal that young people are insufficiently active. To determine patterns of physical activity associated with improved skeletal status at this life stage, we assessed the relationship between self-reported physical activity patterns, grip strength, anthropometric measures, and calcaneal quantitative ultrasound (QUS) measures in a study of college students (n=235), the Tufts Longitudinal Health Study (TLHS). Univariate analyses revealed several highly significant relationships between QUS parameters and anthropometry, but only among women, with the highest correlation for skeletal muscle mass. Grip strength was significantly related to broadband attenuation (BUA) and stiffness index (SI) in both men and women. Multiple regression analysis revealed that among the modifiable body composition compartments, muscle mass but not fat mass was significantly associated with higher BUA in men (P<0.05) and women (P<0.001), and higher SI in women (P<0.001). Among our sample of college students, current weight training (P=0.004), and moderate (P=0.003) and vigorous (P<0.001) sports participation were each significantly associated with higher SI. Multiple regression analysis revealed that sports participation (moderate and/or vigorous) was associated with higher SI by 10.22+/-3.93 units (P=0.011) among men and 7.28+/-2.36 units (P=0.002) among women. These data suggest that improved skeletal status in young adulthood may require more specific moderate to vigorous physical activity, such as that achieved with sport, than is currently recommended for overall health.

Adipose Tissue↗