The effect of losing the twin and losing the partner on mortality

Cecilia Tomassini, Alessandro Rosina, Francesco C Billari, Axel Skytthe, Kaare Christensen

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

Udgivelsesdato: 2002-Jun
OriginalsprogEngelsk
TidsskriftTwin research
Vol/bind5
Udgave nummer3
Sider (fra-til)210-217
Antal sider7
ISSN1369-0523
DOI
StatusUdgivet - 2002

Fingeraftryk

Spouses
Registries
Monozygotic Twins
Life Change Events
Denmark
Survival Analysis

Citer dette

Tomassini, Cecilia ; Rosina, Alessandro ; Billari, Francesco C ; Skytthe, Axel ; Christensen, Kaare. / The effect of losing the twin and losing the partner on mortality. I: Twin research. 2002 ; Bind 5, Nr. 3. s. 210-217.
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title = "The effect of losing the twin and losing the partner on mortality",
abstract = "Several studies have explored the impact of marital bereavement on mortality, while increasing emphasis has recently been placed on genetic factors influencing longevity - in this paper, we study the impact of losing the spouse and losing the co-twin, for twins aged 50 to 70. We use data from the Danish Twin Registry and the Population Register of Denmark for the period 1968 through 1999. Firstly, we use survival analysis to study mortality after the death of the spouse or the co-twin. We find that the risk of dying is highest in the first year after the death of the spouse, as well as in the second year after the death of the co-twin. We then use event history analysis techniques to show that there is a strong impact of the event 'losing the co-twin' even after controlling for age, sex and zygosity and that this effect is significantly higher in the second year of bereavement. The effect is similar for men and women, and it is higher for monozygotic twins. The latter confirms the influence of genetic factors on survival, while the mortality trajectory with a peak in the second year after the death of the co-twin is consistent with the existence of a twin bereavement effect.",
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author = "Cecilia Tomassini and Alessandro Rosina and Billari, {Francesco C} and Axel Skytthe and Kaare Christensen",
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pages = "210--217",
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The effect of losing the twin and losing the partner on mortality. / Tomassini, Cecilia; Rosina, Alessandro; Billari, Francesco C; Skytthe, Axel; Christensen, Kaare.

I: Twin research, Bind 5, Nr. 3, 2002, s. 210-217.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - The effect of losing the twin and losing the partner on mortality

AU - Tomassini, Cecilia

AU - Rosina, Alessandro

AU - Billari, Francesco C

AU - Skytthe, Axel

AU - Christensen, Kaare

PY - 2002

Y1 - 2002

N2 - Several studies have explored the impact of marital bereavement on mortality, while increasing emphasis has recently been placed on genetic factors influencing longevity - in this paper, we study the impact of losing the spouse and losing the co-twin, for twins aged 50 to 70. We use data from the Danish Twin Registry and the Population Register of Denmark for the period 1968 through 1999. Firstly, we use survival analysis to study mortality after the death of the spouse or the co-twin. We find that the risk of dying is highest in the first year after the death of the spouse, as well as in the second year after the death of the co-twin. We then use event history analysis techniques to show that there is a strong impact of the event 'losing the co-twin' even after controlling for age, sex and zygosity and that this effect is significantly higher in the second year of bereavement. The effect is similar for men and women, and it is higher for monozygotic twins. The latter confirms the influence of genetic factors on survival, while the mortality trajectory with a peak in the second year after the death of the co-twin is consistent with the existence of a twin bereavement effect.

AB - Several studies have explored the impact of marital bereavement on mortality, while increasing emphasis has recently been placed on genetic factors influencing longevity - in this paper, we study the impact of losing the spouse and losing the co-twin, for twins aged 50 to 70. We use data from the Danish Twin Registry and the Population Register of Denmark for the period 1968 through 1999. Firstly, we use survival analysis to study mortality after the death of the spouse or the co-twin. We find that the risk of dying is highest in the first year after the death of the spouse, as well as in the second year after the death of the co-twin. We then use event history analysis techniques to show that there is a strong impact of the event 'losing the co-twin' even after controlling for age, sex and zygosity and that this effect is significantly higher in the second year of bereavement. The effect is similar for men and women, and it is higher for monozygotic twins. The latter confirms the influence of genetic factors on survival, while the mortality trajectory with a peak in the second year after the death of the co-twin is consistent with the existence of a twin bereavement effect.

KW - Aged

KW - Bereavement

KW - Denmark

KW - Diseases in Twins

KW - Female

KW - Humans

KW - Male

KW - Marriage

KW - Middle Aged

KW - Mortality

KW - Registries

KW - Risk

KW - Spouses

KW - Survival Analysis

KW - Twins

KW - Widowhood

U2 - 10.1375/twin.5.3.210

DO - 10.1375/twin.5.3.210

M3 - Journal article

C2 - 12184889

VL - 5

SP - 210

EP - 217

JO - Twin Research and Human Genetics

JF - Twin Research and Human Genetics

SN - 1832-4274

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ER -