Accelerometer determined sedentary behavior and dietary quality among US adults

Kerem Shuval, Binh T. Nguyen, Amy L. Yaroch, Jeffrey Drope, Kelley Pettee Gabriel

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Objective: Scant evidence exists pertaining to objectively measured sedentary time and dietary quality among adults. Therefore, we examined the relationships between sedentary time, physical activity, and dietary quality. Methods: Cross-sectional analyses of a 4,910 US adults from two cycles (2003-2006) of the National Health and Nutrition Examination Survey. The primary independent variables were sedentary time and physical activity (continuous and categorical), while the outcomes were overall dietary quality (Healthy Eating Index (HEI) 2010), fruit and vegetable scores, and empty caloric intake (kcal). Results: Multivariable analyses revealed that a 1. min increase in daily sedentary behavior was associated with a 0.2. kcal decrease in empty calories (-. 0.18, 95% CI =0.34,. 0.03); however, sedentary time was not significantly related to overall dietary quality (HEI) and fruit and vegetable intake. In comparison, a 1. min increase in daily moderate-to-vigorous intensity physical activity was related to a 0.1 higher HEI score (0.08, 95% CI = 0.04, 0.11), a 0.01 higher fruit score (0.01, 95% CI = 0.01, 0.02), and conversely a 1.3. kcal decrease in empty calories (-. 1.35, 95% CI =. 2.01,. 0.69). In addition, meeting physical activity guidelines was associated with a 2.8 point higher HEI score (2.82, 95% CI = 1.40, 4.25), a 0.5 point higher fruit score (0.51, 95% CI = 0.31-0.71), and 37.4 fewer empty calories (-. 37.43, 95% CI =. 64.86,. 9.10). Conclusions: Physical activity is significantly related to better overall dietary quality, while sedentary behavior is not. Findings suggest the need to promote physical activity and encourage adherence to dietary guidelines jointly, whereas sedentary behavior and overall dietary quality might need to be targeted independently.

Original languageEnglish (US)
Pages (from-to)38-43
Number of pages6
JournalPreventive Medicine
Volume78
DOIs
StatePublished - Sep 1 2015

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Fruit
Vegetables
Nutrition Policy
Nutrition Surveys
Energy Intake
Cross-Sectional Studies
Guidelines
Healthy Diet

Keywords

  • Accelerometers
  • Dietary quality
  • Empty Calories
  • Fruit and Vegetable
  • Physical activity
  • Sedentary behavior

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health

Cite this

Accelerometer determined sedentary behavior and dietary quality among US adults. / Shuval, Kerem; Nguyen, Binh T.; Yaroch, Amy L.; Drope, Jeffrey; Gabriel, Kelley Pettee.

In: Preventive Medicine, Vol. 78, 01.09.2015, p. 38-43.

Research output: Contribution to journalArticle

Shuval, Kerem ; Nguyen, Binh T. ; Yaroch, Amy L. ; Drope, Jeffrey ; Gabriel, Kelley Pettee. / Accelerometer determined sedentary behavior and dietary quality among US adults. In: Preventive Medicine. 2015 ; Vol. 78. pp. 38-43.
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abstract = "Objective: Scant evidence exists pertaining to objectively measured sedentary time and dietary quality among adults. Therefore, we examined the relationships between sedentary time, physical activity, and dietary quality. Methods: Cross-sectional analyses of a 4,910 US adults from two cycles (2003-2006) of the National Health and Nutrition Examination Survey. The primary independent variables were sedentary time and physical activity (continuous and categorical), while the outcomes were overall dietary quality (Healthy Eating Index (HEI) 2010), fruit and vegetable scores, and empty caloric intake (kcal). Results: Multivariable analyses revealed that a 1. min increase in daily sedentary behavior was associated with a 0.2. kcal decrease in empty calories (-. 0.18, 95{\%} CI =0.34,. 0.03); however, sedentary time was not significantly related to overall dietary quality (HEI) and fruit and vegetable intake. In comparison, a 1. min increase in daily moderate-to-vigorous intensity physical activity was related to a 0.1 higher HEI score (0.08, 95{\%} CI = 0.04, 0.11), a 0.01 higher fruit score (0.01, 95{\%} CI = 0.01, 0.02), and conversely a 1.3. kcal decrease in empty calories (-. 1.35, 95{\%} CI =. 2.01,. 0.69). In addition, meeting physical activity guidelines was associated with a 2.8 point higher HEI score (2.82, 95{\%} CI = 1.40, 4.25), a 0.5 point higher fruit score (0.51, 95{\%} CI = 0.31-0.71), and 37.4 fewer empty calories (-. 37.43, 95{\%} CI =. 64.86,. 9.10). Conclusions: Physical activity is significantly related to better overall dietary quality, while sedentary behavior is not. Findings suggest the need to promote physical activity and encourage adherence to dietary guidelines jointly, whereas sedentary behavior and overall dietary quality might need to be targeted independently.",
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