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| 1 | Hepatitis B infection among adults in the philippines:A national seroprevalence study显示文摘AIM:To determine the prevalence of hepatitis B surface antigen(HBsAg)seropositivity among adult Filipinos.METHODS:Testing for HBsAg was performed on serum samples from persons aged ≥ 20 years old who participated in the National Nutrition and Health Survey(NNHeS)conducted in 2003.Information on age,sex,marital status,educational attainment,employment status,and income were collected.For this study,marital status was classified as never married or otherwise(i.e.,married,divorced,separated,widowed);educational attainment was classified as high school graduate or below or at least some tertiary education;and employment status was classified as currently employed or currently unemployed.Annual income was divided into 4 quartiles in Philippine pesos(PhP):Q1,≤ PhP 53064;Q2,PhP 53065-92192;Q3,PhP 92193-173387;and Q4,≥ PhP 173388.Prevalence estimates were weighted so that they represented the general population.Social and demographic factors were correlated with HBsAg seropositivity.Multivariate analysis was used to determine independent predictors of HBsAg seropositivity.RESULTS:A total of 2150 randomly selected adults,20 years and over,out of the 4753 adult participants of NNHeS were tested for HBsAg.The HBsAg seroprevalence was 16.7%(95%CI:14.3%-19.1%),which corresponded to an estimated 7278968 persons infected with hepatitis B.There was no significant difference between males and females(17.5% vs 16.0%;P = 0.555).This corresponded to an estimated 3721775 men and 3557193 women infected with hepatitis B.The HBsAg seroprevalence peaked at age 20-39 years old,with declining prevalence in the older age groups.The only independent predictor of HBsAg seropositivity was the annual income,with persons in the highest income quartile being less likely to be HBsAg positive(age-adjusted OR = 0.51;95%CI:0.30-0.86)compared to subjects in the lowest income quartile.Sex,marital status,educational attainment,and employment status were not found to be independent predictors of HBsAg seropositivity.CONCLUSION:The high HBsAg seroprevalence among adults in the Philippines classifies the country as hyperendemic for HBV infection and appears unchanged over the last few decades. | Stephen N Wong Janus P Ong Madalinee Eternity D Labio Oscar T Cabahug Maria Lourdes O Daez Erlinda V Valdellon Jose D Sollano Jr Marilyn O Arguillas | 2013 | World Journal of Hepatology2013，5，4： | 3 |
| 2 | Ferrocement laminates for strengthening RC T- beams 显示文摘 | Paramasivam P Ong K C G Lim C T E | 1994 | Cement and Concrete Composites1994，16，2： | 1 |
| 3 | Wet-pavement hydroplaning risk and skid resistance:modeling显示文摘 | Ong G P Fwa T F | | 0，，10： | 1 |
| 4 | Late angiographic stent thrombosis (LAST) events with drug-eluting stents显示文摘 | ONG A T L MCFADDEN E P REGAR E | 2005 | J Am Coll Cardiol2005，45，： | 1 |
| 5 | Image analysis by Krawtchouk moments 显示文摘 | Yap P T Paramesran R Ong Seng-Huat | 2003 | IEEE Transactions on Image Processing2003，12，11： | 1 |
| 6 | The treat- ment of open tibial fractures and of tibial non - union with a novel external fixator 显示文摘 | Ong C T Choon D S K Cabrera N P | 2002 | Injur2002，33，9： | 1 |
| 7 | Adsorption of thiocyanate on polyerystalline silver and gold electrodes studied in situ by sum-frequency spectroscopy显示文摘 | Ong T H Davies P B Bain C D | 1993 | The Journal of Physical Chemistry1993，97，12： | 1 |
| 8 | Narcissism, extraversion and adolescents' self- presentation on Facebook显示文摘 | ONG E Y L ANG R P HO J C M e t a l | 2011 | Pets Individ Oil2011，50，2： | 1 |
| 9 | Ferrocement Laminates for Strengthening RC T-beams显示文摘 | Paramasivarn P Ong K C G Lim C T E | 1994 | Cement & Concrete Composites1994，16，2： | 1 |
| 10 | Strengthening of RC Beams with Ferrocement Laminates 显示文摘 | Paramasivam P Lim C T E Ong K C G | 1998 | Cement & Concrete Composites1998，20，1： | 1 |
| 11 | Endogenous antimicrobial peptides and skin infections in atopic dermatitis显示文摘 | ONG P Y OHTAKE T BRANDT C | 2002 | N Engl J Med2002，347，： | 1 |
| 12 | Late angiographic stentthrombosis(LAST)events with drug-eluting stents显示文摘 | Ong A T McFadden E P Regar E de Jaegere P P vanDomburg R T Serruys P W | 2005 | J Am Coll Cardiol2005，45，： | 1 |
| 13 | Flexural strengthening of reinforced concrete beams using ferrocement laminates显示文摘 | Ong K C G Paramsivam P Lim C T E | 1992 | Journal of Ferrocement1992，22，4： | 1 |
| 14 | Ferrocement laminates for strengthening RC T-beams显示文摘 | Paramsivam P Ong K C G Lim C T E | 1994 | Cement & Concrete Composites1994，16，2： | 1 |
| 15 | Late angiographic stent thrombosis (LAST) events with drug-eluting stents显示文摘 | ONG A T MCFADDEN E P REGAR E | 2005 | J Am Coll Cardiol2005，45，： | 1 |
| 16 | Mechanistic interpretation of braking distance specifications and pavement friction requirements显示文摘 | Ong G P Fwa T F | 2010 | Transportation Research Record: Journal of the Transportation Research Board2010，，14： | 1 |
| 17 | Modeling Skid Resistance of Commercial Trucks on Highways 显示文摘 | ONG G P FWA T F | 2010 | Journal of Transportation Engineering2010，136，6： | 1 |
| 18 | Ferrocement laminates for strengthening RC T-beams 显示文摘 | PARAMASIVAM P ONG K C G LIM C T E | 1994 | Cement and Concrete Composites1994，16，2： | 1 |
| 19 | Extending 'Kampuchea”guava shelf-life at 27℃ using 1-methylcyclopropene显示文摘 | Phebe D Ong P T | | 0，，3： | 1 |
| 20 | Strengthening of RC beams with ferrocement laminates显示文摘 | PARAMASIVAM P LIM C T E ONG K C Q | 1998 | Cement and Concrete Composites1998，20，1： | 1 |
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