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Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal
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Zeitschriftentitel: | Epidemiology |
---|---|
Personen und Körperschaften: | , , , |
In: | Epidemiology, 6, 1995, 4, S. 419-422 |
Format: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Williams & Wilkins and Epidemiology Resources Inc.
|
finc.format |
ElectronicArticle |
---|---|
finc.mega_collection |
sid-55-col-jstorlife sid-55-col-jstorhealth JSTOR Life Sciences Archive JSTOR Health & General Sciences |
finc.id |
ai-55-aHR0cHM6Ly93d3cuanN0b3Iub3JnL3N0YWJsZS8zNzAyMDkx |
finc.source_id |
55 |
ris.type |
EJOUR |
rft.atitle |
Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal |
rft.epage |
422 |
rft.genre |
article |
rft.issn |
1044-3983 |
rft.issue |
4 |
rft.jtitle |
Epidemiology |
rft.tpages |
3 |
rft.pages |
419-422 |
rft.pub |
Williams & Wilkins and Epidemiology Resources Inc. |
rft.date |
1995-07-01 |
x.date |
1995-07-01T00:00:00Z |
rft.spage |
419 |
rft.volume |
6 |
abstract |
<p>Twins have been registered prospectively for 12-22 years in 42 small villages in the Bandafassi area of Eastern Senegal. We studied 98 pairs of twins to test whether twins in opposite-sex pairs have higher postneonatal mortality than same-sex twins. Neonatal mortality for twins was 41.3%; mortality for infants and for children under age 5 years was 53.0% and 66.8%, respectively. Neonatal mortality was identical for same-sex and opposite-sex twin pairs, but much higher for boys than girls [relative risk = 1.8; 95% confidence interval (CI) = 1.2-2.6]. There was clustering of double neonatal deaths for all types of twins. In the postneonatal period, female-female twins had lower mortality than other twin types. Twins had higher postneonatal mortality as long as the co-twin was alive [mortality rate ratio (MR) = 2.6; 95% CI = 1.0-6.7]. Girls had excess mortality when the co-twin was of the opposite sex (MR = 4.3; 95% CI = 1.2-15.3), whereas there was no difference for boys. In conclusion, contact with a co-twin of the opposite sex increased child mortality for female twins. Our data are not sufficient to determine whether this difference is specific for girls or applies to boys as well.</p> |
authors |
Array
(
[rft.aulast] => Aaby
[rft.aufirst] => Peter
)
Array ( [rft.aulast] => Pison [rft.aufirst] => Gilles ) Array ( [rft.aulast] => du Loû [rft.aufirst] => Annabel Desgrées ) Array ( [rft.aulast] => Andersen [rft.aufirst] => Marc ) |
languages |
eng |
url |
https://www.jstor.org/stable/3702091 |
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0.9 |
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author | Aaby, Peter, Pison, Gilles, du Loû, Annabel Desgrées, Andersen, Marc |
author_facet | Aaby, Peter, Pison, Gilles, du Loû, Annabel Desgrées, Andersen, Marc, Aaby, Peter, Pison, Gilles, du Loû, Annabel Desgrées, Andersen, Marc |
author_sort | aaby, peter |
collection | sid-55-col-jstorlife, sid-55-col-jstorhealth |
container_issue | 4 |
container_start_page | 419 |
container_title | Epidemiology |
container_volume | 6 |
description | <p>Twins have been registered prospectively for 12-22 years in 42 small villages in the Bandafassi area of Eastern Senegal. We studied 98 pairs of twins to test whether twins in opposite-sex pairs have higher postneonatal mortality than same-sex twins. Neonatal mortality for twins was 41.3%; mortality for infants and for children under age 5 years was 53.0% and 66.8%, respectively. Neonatal mortality was identical for same-sex and opposite-sex twin pairs, but much higher for boys than girls [relative risk = 1.8; 95% confidence interval (CI) = 1.2-2.6]. There was clustering of double neonatal deaths for all types of twins. In the postneonatal period, female-female twins had lower mortality than other twin types. Twins had higher postneonatal mortality as long as the co-twin was alive [mortality rate ratio (MR) = 2.6; 95% CI = 1.0-6.7]. Girls had excess mortality when the co-twin was of the opposite sex (MR = 4.3; 95% CI = 1.2-15.3), whereas there was no difference for boys. In conclusion, contact with a co-twin of the opposite sex increased child mortality for female twins. Our data are not sufficient to determine whether this difference is specific for girls or applies to boys as well.</p> |
facet_avail | Online |
format | ElectronicArticle |
format_de105 | Article, E-Article |
format_de14 | Article, E-Article |
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format_de540 | Article, E-Article |
format_dech1 | Article, E-Article |
format_ded117 | Article, E-Article |
format_degla1 | E-Article |
format_del152 | Buch |
format_del189 | Article, E-Article |
format_dezi4 | Article |
format_dezwi2 | Article, E-Article |
format_finc | Article, E-Article |
format_nrw | Article, E-Article |
geogr_code | not assigned |
geogr_code_person | not assigned |
id | ai-55-aHR0cHM6Ly93d3cuanN0b3Iub3JnL3N0YWJsZS8zNzAyMDkx |
imprint | Williams & Wilkins and Epidemiology Resources Inc., 1995 |
imprint_str_mv | Williams & Wilkins and Epidemiology Resources Inc., 1995 |
institution | DE-15, DE-14, DE-D13 |
issn | 1044-3983 |
issn_str_mv | 1044-3983 |
language | English |
last_indexed | 2024-03-01T22:42:45.682Z |
match_str | aaby1995lowermortalityforfemalefemaletwinsthanmalemaleandmalefemaletwinsinruralsenegal |
mega_collection | JSTOR Life Sciences Archive, JSTOR Health & General Sciences |
physical | 419-422 |
publishDate | 1995 |
publishDateSort | 1995 |
publisher | Williams & Wilkins and Epidemiology Resources Inc. |
record_format | ai |
recordtype | ai |
score | 18,864033 |
series | Epidemiology |
source_id | 55 |
spelling | Aaby, Peter Pison, Gilles du Loû, Annabel Desgrées Andersen, Marc 1044-3983 Williams & Wilkins and Epidemiology Resources Inc. https://www.jstor.org/stable/3702091 <p>Twins have been registered prospectively for 12-22 years in 42 small villages in the Bandafassi area of Eastern Senegal. We studied 98 pairs of twins to test whether twins in opposite-sex pairs have higher postneonatal mortality than same-sex twins. Neonatal mortality for twins was 41.3%; mortality for infants and for children under age 5 years was 53.0% and 66.8%, respectively. Neonatal mortality was identical for same-sex and opposite-sex twin pairs, but much higher for boys than girls [relative risk = 1.8; 95% confidence interval (CI) = 1.2-2.6]. There was clustering of double neonatal deaths for all types of twins. In the postneonatal period, female-female twins had lower mortality than other twin types. Twins had higher postneonatal mortality as long as the co-twin was alive [mortality rate ratio (MR) = 2.6; 95% CI = 1.0-6.7]. Girls had excess mortality when the co-twin was of the opposite sex (MR = 4.3; 95% CI = 1.2-15.3), whereas there was no difference for boys. In conclusion, contact with a co-twin of the opposite sex increased child mortality for female twins. Our data are not sufficient to determine whether this difference is specific for girls or applies to boys as well.</p> Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal Epidemiology |
spellingShingle | Aaby, Peter, Pison, Gilles, du Loû, Annabel Desgrées, Andersen, Marc, Epidemiology, Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal |
title | Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal |
title_full | Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal |
title_fullStr | Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal |
title_full_unstemmed | Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal |
title_short | Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal |
title_sort | lower mortality for female-female twins than male-male and male-female twins in rural senegal |
title_unstemmed | Lower Mortality for Female-Female Twins Than Male-Male and Male-Female Twins in Rural Senegal |
url | https://www.jstor.org/stable/3702091 |