Smoking and objectively assessed physical activity among young adults
ISPAH ePoster Library. Napolitano M. Oct 15, 2018; 225557; 32
Melissa Napolitano
Melissa Napolitano
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Abstract
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Abstract IntroductionTobacco use and physical inactivity are lifestyle behaviors associated with chronic disease. Assessment and intervention for health risk behaviors among young adults (18-35yo) have received comparatively less attention than other life stages. MethodYoung adults at two urban universities (N=460; %female=78.5%; %Caucasian=55.9%; Mage=23.3 +4.4; MBMI=31.3+4.4) enrolled in a healthy body weight randomized clinical trial completed baseline assessments including objective physical activity monitoring (ActiGraph) and smoking status. Smoking categories were created: never smoked, experiment, regular (> 5 lifetime packs). Analyses of covariance were conducted to examine the relationship between smoking and two outcomes (MVPA, %time spent in different intensities of activity), controlling for BMI.Results The sample averaged 38.3 + 24.7 minutes of MVPA daily; 60% were never smokers, 30.9% were experimenters and 8.10% were regular smokers. The interaction between smoking and sex (p<.001) showed male experimenters being most active (54.0 + 28.2 min) and regular smokers being least active (35.5+ 33.0 min), with no differences for females. However, compared with their male counterparts, female experimenters were significantly less active (38.6 + 24.8 min). Significant effects were found for %time spent in moderate (p<.001) and vigorous activity (p<.01) with experimenters having more time compared with never smokers.Conclusion The intersection of smoking experimentation and physical activity behavior is of high public health importance. Given the sex differences in substance use and activity, additional surveillance is critical. Future interventions, including public health messaging and social marketing to educate young adults, are warranted. External funding details Supported by: US NIH Grant R01DK100916 (Napolitano-PI)
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