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The Relationship of Socioeconomic and Behavioral Risk Factors With Trends of Overweight in Korea
Mina Silberberg,Jin Hee Shin,Matthew E. Dupre,Truls Østbye,Gwen Murphy 대한예방의학회 2015 Journal of Preventive Medicine and Public Health Vol.48 No.6
Objectives: Previous studies have shown that overweight (including obesity) has increased significantly in Korea in recent decades. However, it remains unclear whether this change has been uniform among all Koreans and to what extent socioeconomic and behavioral factors have contributed to this increase. Methods: Changes in overweight were estimated using data from the 1998, 2001, 2005, 2007-2009, and 2010-2012 Korea National Health and Nutrition Examination Survey (n=55 761). Results: Overweight increased significantly among men but not among women between 1998 and 2012. Changes in socioeconomic and behavioral factors over the time period were not associated with overall trends for both men and women. However, we found significant differences in the prevalence of overweight relative to key risk factors. For men, overweight increased at a significantly greater rate among the non-exercising (predicted probability [PP] from 0.23 to 0.32] and high-calorie (PP from 0.18 to 0.37) groups compared to their active and lower-calorie counterparts, respectively. For women, overweight increased only among the non-exercising (PP from 0.27 to 0.28) and low-income (PP from 0.31 to 0.36) groups during this period. Conclusions: These findings suggest that programs aimed at reducing overweight should target Korean men and women in specific socioeconomic and behavioral risk groups differentially.
Effect of Linear Chirp on Strong Field Photodissociation of H_2^+
Vaibhav S. Prabhudesai,Adi Natan,Barry D. Bruner,Yaron Silberberg,Uri Lev,Oded Heber,Daniel Strasser,Dirk Schwalm,Daniel Zajfman,Itzik Ben-Itzhak 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.41
We report the experimental findings of a systematic study of the effect of the linear chirp on strong field photodissociation of H_2^+. For vibrational levels around or above the one photon crossing, the effect manifests in terms of a shift in the kinetic energy release (KER) peaks. The peaks shift up for negative chirp whereas they shift down for positive chirp. The measurements are carried out by varying two of the laser pulse characteristics energy, pulse intensity and linear chirp while keeping the third constant. The shifts in the KER peaks are found to be intensity dependent for a given value of chirp. However, in the last two cases, they are found to be independent of the chirp magnitude. The results are understood on the basis of saturation of photodissociation probabilities for these levels.
The Relationship of Socioeconomic and Behavioral Risk Factors With Trends of Overweight in Korea
Shin, Jin Hee,Dupre, Matthew E.,Ostbye, Truls,Murphy, Gwen,Silberberg, Mina The Korean Society for Preventive Medicine 2015 Journal of Preventive Medicine and Public Health Vol.48 No.6
Objectives: Previous studies have shown that overweight (including obesity) has increased significantly in Korea in recent decades. However, it remains unclear whether this change has been uniform among all Koreans and to what extent socioeconomic and behavioral factors have contributed to this increase. Methods: Changes in overweight were estimated using data from the 1998, 2001, 2005, 2007-2009, and 2010-2012 Korea National Health and Nutrition Examination Survey (n=55 761). Results: Overweight increased significantly among men but not among women between 1998 and 2012. Changes in socioeconomic and behavioral factors over the time period were not associated with overall trends for both men and women. However, we found significant differences in the prevalence of overweight relative to key risk factors. For men, overweight increased at a significantly greater rate among the non-exercising (predicted probability [PP] from 0.23 to 0.32] and high-calorie (PP from 0.18 to 0.37) groups compared to their active and lower-calorie counterparts, respectively. For women, overweight increased only among the non-exercising (PP from 0.27 to 0.28) and low-income (PP from 0.31 to 0.36) groups during this period. Conclusions: These findings suggest that programs aimed at reducing overweight should target Korean men and women in specific socioeconomic and behavioral risk groups differentially.