PandemieGrippaleV1, PascalFrancis, Curation, bibRecord, 001B39

Obesity and influenza associated mortality: Evidence from an elderly cohort in Hong Kong

Identifieur interne : 001B39 ( PascalFrancis/Curation ); précédent : 001B38; suivant : 001B40

Obesity and influenza associated mortality: Evidence from an elderly cohort in Hong Kong

Auteurs : LIN YANG [Hong Kong] ; KING PAN CHAN [Hong Kong] ; Ruby Siu-Yin Lee [Hong Kong] ; WAI MAN CHAN [Hong Kong] ; HAK KAN LAI [Hong Kong] ; THUAN QUOC THACH [Hong Kong] ; KWOK HUNG CHAN [Hong Kong] ; TAI HING LAM [Hong Kong] ; J. S. Malik Peiris [Hong Kong] ; CHIT MING WONG [Hong Kong]

Source :

Preventive medicine : (1972) [ 0091-7435 ] ; 2013.

RBID : Pascal:13-0185913

Descripteurs français

Pascal (Inist)
- Obésité, Grippe, Mortalité, Tabagisme, Epidémiologie, Personne âgée, Etude cohorte, Santé publique, Hong Kong, Appareil respiratoire, Voie respiratoire, Tabac, Etat nutritionnel.
Wicri :
- geographic : Hong Kong.
- topic : Mortalité, Tabagisme, Personne âgée, Santé publique, Tabac.

English descriptors

KwdEn :
- Cohort study, Elderly, Epidemiology, Hong Kong, Influenza, Mortality, Nutritional status, Obesity, Public health, Respiratory system, Respiratory tract, Tobacco, Tobacco smoking.

Abstract

Objective. Obesity was not identified as a risk factor for influenza until the recent 2009 H1 N1 pandemic. Based on a cohort of 66,820 subjects aged 65 years and over with the follow-up period from July 1998 to December 2010 in Hong Kong, we assessed the modifying effect of obesity on mortality risks specifically attributable to influenza infections (termed as "influenza associated mortality risks"). Methods. A Cox proportional model with time dependent covariates was adopted to assess the hazard ratio of mortality in each obesity group when influenza activity increased 10% in the community. Results. Hazard ratio of influenza-associated all-cause mortality was 1.081 (95% confidence interval 1.013, 1.154), 1.047 (1.012, 1.084), 0.981 (0.936, 1.028), 1.018 (0.980, 1.058) and 1.062 (0.972, 1.162) in the underweight, normal, overweight, moderate obesity and severe obesity groups, respectively. A similar U shape pattern across the obesity groups was also observed in influenza associated mortality risks of respiratory diseases, pneumonia and influenza. This pattern was more evident among ever smokers, although the influenza effect estimates in each obesity group had overlapping confidence intervals. Conclusion. There is some but limited evidence to suggest that underweight and obesity were associated with higher mortality risks of influenza in old population.

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A11	`01`	`1`		`@1 LIN YANG`
A11	`02`	`1`		`@1 KING PAN CHAN`
A11	`03`	`1`		`@1 LEE (Ruby Siu-Yin)`
A11	`04`	`1`		`@1 WAI MAN CHAN`
A11	`05`	`1`		`@1 HAK KAN LAI`
A11	`06`	`1`		`@1 THUAN QUOC THACH`
A11	`07`	`1`		`@1 KWOK HUNG CHAN`
A11	`08`	`1`		`@1 TAI HING LAM`
A11	`09`	`1`		`@1 MALIK PEIRIS (J. S.)`
A11	`10`	`1`		`@1 CHIT MING WONG`
A14	`01`			`@1 School of Public Health, The University of Hong Kong, Special Administrative Region @3 HKG @Z 1 aut. @Z 2 aut. @Z 5 aut. @Z 6 aut. @Z 8 aut. @Z 9 aut. @Z 10 aut.`
A14	`02`			`@1 Elderly Health Service, Department of Health, Special Administrative Region @3 HKG @Z 3 aut. @Z 4 aut.`
A14	`03`			`@1 Department of Microbiology, The University of Hong Kong, Queen Mary Hospital, Special Administrative Region @3 HKG @Z 7 aut.`
A14	`04`			`@1 The Hong Kong University Pasteur Research Centre, Special Administrative Region @3 HKG @Z 9 aut.`
A20				`@1 118-123`
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C01	`01`		`ENG`	@0 Objective. Obesity was not identified as a risk factor for influenza until the recent 2009 H1 N1 pandemic. Based on a cohort of 66,820 subjects aged 65 years and over with the follow-up period from July 1998 to December 2010 in Hong Kong, we assessed the modifying effect of obesity on mortality risks specifically attributable to influenza infections (termed as "influenza associated mortality risks"). Methods. A Cox proportional model with time dependent covariates was adopted to assess the hazard ratio of mortality in each obesity group when influenza activity increased 10% in the community. Results. Hazard ratio of influenza-associated all-cause mortality was 1.081 (95% confidence interval 1.013, 1.154), 1.047 (1.012, 1.084), 0.981 (0.936, 1.028), 1.018 (0.980, 1.058) and 1.062 (0.972, 1.162) in the underweight, normal, overweight, moderate obesity and severe obesity groups, respectively. A similar U shape pattern across the obesity groups was also observed in influenza associated mortality risks of respiratory diseases, pneumonia and influenza. This pattern was more evident among ever smokers, although the influenza effect estimates in each obesity group had overlapping confidence intervals. Conclusion. There is some but limited evidence to suggest that underweight and obesity were associated with higher mortality risks of influenza in old population.
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C03	`01`	`X`	`FRE`	`@0 Obésité @5 01`
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C03	`09`	`X`	`FRE`	`@0 Hong Kong @2 NG @5 11`
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C03	`13`	`X`	`FRE`	`@0 Etat nutritionnel @5 25`
C03	`13`	`X`	`ENG`	`@0 Nutritional status @5 25`
C03	`13`	`X`	`SPA`	`@0 Estado nutricional @5 25`
C07	`01`	`X`	`FRE`	`@0 Virose`
C07	`01`	`X`	`ENG`	`@0 Viral disease`
C07	`01`	`X`	`SPA`	`@0 Virosis`
C07	`02`	`X`	`FRE`	`@0 Infection`
C07	`02`	`X`	`ENG`	`@0 Infection`
C07	`02`	`X`	`SPA`	`@0 Infección`
C07	`03`	`X`	`FRE`	`@0 Homme`
C07	`03`	`X`	`ENG`	`@0 Human`
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C07	`06`	`X`	`FRE`	`@0 Trouble de la nutrition @5 37`
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C07	`06`	`X`	`SPA`	`@0 Trastorno nutricíon @5 37`
N21				`@1 168`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

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Pascal:13-0185913

Le document en format XML

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<author><name sortKey="Thuan Quoc Thach" sort="Thuan Quoc Thach" uniqKey="Thuan Quoc Thach" last="Thuan Quoc Thach">THUAN QUOC THACH</name>
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<author><name sortKey="Kwok Hung Chan" sort="Kwok Hung Chan" uniqKey="Kwok Hung Chan" last="Kwok Hung Chan">KWOK HUNG CHAN</name>
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<author><name sortKey="Malik Peiris, J S" sort="Malik Peiris, J S" uniqKey="Malik Peiris J" first="J. S." last="Malik Peiris">J. S. Malik Peiris</name>
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<author><name sortKey="Chit Ming Wong" sort="Chit Ming Wong" uniqKey="Chit Ming Wong" last="Chit Ming Wong">CHIT MING WONG</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Public Health, The University of Hong Kong, Special Administrative Region</s1>
<s3>HKG</s3>
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<seriesStmt><title level="j" type="main">Preventive medicine : (1972)</title>
<title level="j" type="abbreviated">Prev. med. : (1972)</title>
<idno type="ISSN">0091-7435</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cohort study</term>
<term>Elderly</term>
<term>Epidemiology</term>
<term>Hong Kong</term>
<term>Influenza</term>
<term>Mortality</term>
<term>Nutritional status</term>
<term>Obesity</term>
<term>Public health</term>
<term>Respiratory system</term>
<term>Respiratory tract</term>
<term>Tobacco</term>
<term>Tobacco smoking</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Obésité</term>
<term>Grippe</term>
<term>Mortalité</term>
<term>Tabagisme</term>
<term>Epidémiologie</term>
<term>Personne âgée</term>
<term>Etude cohorte</term>
<term>Santé publique</term>
<term>Hong Kong</term>
<term>Appareil respiratoire</term>
<term>Voie respiratoire</term>
<term>Tabac</term>
<term>Etat nutritionnel</term>
</keywords>
<keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Hong Kong</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Mortalité</term>
<term>Tabagisme</term>
<term>Personne âgée</term>
<term>Santé publique</term>
<term>Tabac</term>
</keywords>
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<front><div type="abstract" xml:lang="en">Objective. Obesity was not identified as a risk factor for influenza until the recent 2009 H1 N1 pandemic. Based on a cohort of 66,820 subjects aged 65 years and over with the follow-up period from July 1998 to December 2010 in Hong Kong, we assessed the modifying effect of obesity on mortality risks specifically attributable to influenza infections (termed as "influenza associated mortality risks"). Methods. A Cox proportional model with time dependent covariates was adopted to assess the hazard ratio of mortality in each obesity group when influenza activity increased 10% in the community. Results. Hazard ratio of influenza-associated all-cause mortality was 1.081 (95% confidence interval 1.013, 1.154), 1.047 (1.012, 1.084), 0.981 (0.936, 1.028), 1.018 (0.980, 1.058) and 1.062 (0.972, 1.162) in the underweight, normal, overweight, moderate obesity and severe obesity groups, respectively. A similar U shape pattern across the obesity groups was also observed in influenza associated mortality risks of respiratory diseases, pneumonia and influenza. This pattern was more evident among ever smokers, although the influenza effect estimates in each obesity group had overlapping confidence intervals. Conclusion. There is some but limited evidence to suggest that underweight and obesity were associated with higher mortality risks of influenza in old population.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Obesity and influenza associated mortality: Evidence from an elderly cohort in Hong Kong</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>LIN YANG</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>KING PAN CHAN</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>LEE (Ruby Siu-Yin)</s1>
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<fA11 i1="04" i2="1"><s1>WAI MAN CHAN</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>HAK KAN LAI</s1>
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<fA11 i1="06" i2="1"><s1>THUAN QUOC THACH</s1>
</fA11>
<fA11 i1="07" i2="1"><s1>KWOK HUNG CHAN</s1>
</fA11>
<fA11 i1="08" i2="1"><s1>TAI HING LAM</s1>
</fA11>
<fA11 i1="09" i2="1"><s1>MALIK PEIRIS (J. S.)</s1>
</fA11>
<fA11 i1="10" i2="1"><s1>CHIT MING WONG</s1>
</fA11>
<fA14 i1="01"><s1>School of Public Health, The University of Hong Kong, Special Administrative Region</s1>
<s3>HKG</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>5 aut.</sZ>
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<sZ>9 aut.</sZ>
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<fA14 i1="02"><s1>Elderly Health Service, Department of Health, Special Administrative Region</s1>
<s3>HKG</s3>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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<fA14 i1="03"><s1>Department of Microbiology, The University of Hong Kong, Queen Mary Hospital, Special Administrative Region</s1>
<s3>HKG</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>The Hong Kong University Pasteur Research Centre, Special Administrative Region</s1>
<s3>HKG</s3>
<sZ>9 aut.</sZ>
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<fA20><s1>118-123</s1>
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<fA21><s1>2013</s1>
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<fC01 i1="01" l="ENG"><s0>Objective. Obesity was not identified as a risk factor for influenza until the recent 2009 H1 N1 pandemic. Based on a cohort of 66,820 subjects aged 65 years and over with the follow-up period from July 1998 to December 2010 in Hong Kong, we assessed the modifying effect of obesity on mortality risks specifically attributable to influenza infections (termed as "influenza associated mortality risks"). Methods. A Cox proportional model with time dependent covariates was adopted to assess the hazard ratio of mortality in each obesity group when influenza activity increased 10% in the community. Results. Hazard ratio of influenza-associated all-cause mortality was 1.081 (95% confidence interval 1.013, 1.154), 1.047 (1.012, 1.084), 0.981 (0.936, 1.028), 1.018 (0.980, 1.058) and 1.062 (0.972, 1.162) in the underweight, normal, overweight, moderate obesity and severe obesity groups, respectively. A similar U shape pattern across the obesity groups was also observed in influenza associated mortality risks of respiratory diseases, pneumonia and influenza. This pattern was more evident among ever smokers, although the influenza effect estimates in each obesity group had overlapping confidence intervals. Conclusion. There is some but limited evidence to suggest that underweight and obesity were associated with higher mortality risks of influenza in old population.</s0>
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<s5>03</s5>
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<s5>04</s5>
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<fC03 i1="04" i2="X" l="ENG"><s0>Tobacco smoking</s0>
<s5>04</s5>
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<fC03 i1="04" i2="X" l="SPA"><s0>Tabaquismo</s0>
<s5>04</s5>
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<fC03 i1="05" i2="X" l="FRE"><s0>Epidémiologie</s0>
<s5>05</s5>
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Obesity and influenza associated mortality: Evidence from an elderly cohort in Hong Kong

Obesity and influenza associated mortality: Evidence from an elderly cohort in Hong Kong

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