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Titolo:
IS FORCED DEXTRALITY AN EXPLANATION FOR THE FALL IN THE PREVALENCE OFSINISTRALITY WITH AGE - A STUDY IN NORTHERN ENGLAND
Autore:
ELLIS SJ; ELLIS PJ; MARSHALL E; WINDRIDGE C; JONES S;
Indirizzi:
UNIV KEELE,N STAFFORDSHIRE ROYAL INFIRM,DEPT NEUROL KEELE ST4 7LN STAFFS ENGLAND KILDONAN HOUSE GRP PRACTICE HORWICH LANCS ENGLAND UNIV LEEDS,COMP SERV LEEDS W YORKSHIRE ENGLAND
Titolo Testata:
Journal of epidemiology and community health
fascicolo: 1, volume: 52, anno: 1998,
pagine: 41 - 44
SICI:
0143-005X(1998)52:1<41:IFDAEF>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
SYSTEMIC LUPUS-ERYTHEMATOSUS; LEFT-HANDEDNESS; LIFE-SPAN; DISEASE; LONGEVITY; ASSOCIATION; LATERALITY; DISORDERS; HANDERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
22
Recensione:
Indirizzi per estratti:
Citazione:
S.J. Ellis et al., "IS FORCED DEXTRALITY AN EXPLANATION FOR THE FALL IN THE PREVALENCE OFSINISTRALITY WITH AGE - A STUDY IN NORTHERN ENGLAND", Journal of epidemiology and community health, 52(1), 1998, pp. 41-44

Abstract

Objectives-The fall in the prevalence of left handedness with age hasbeen attributed to either premature mortality or a cohort effect of forced dextrality. Evidence for forced dextrality was sought to differentiate between these competing theories. Design-6097 Edinburgh handedness inventories were used to calculate laterality quotients (LQ) with and without the questions relating to writing and drawing. These questions might be expected to be most influenced by forced dextrality. Setting-The study was performed in a small industrial town in Lancashire,UK. Participants-Using the British family practitioner service where over 95% of the population are registered with a general practitioner a response rate of 82.17% was obtained with respect to the Edinburgh Inventory. Results-Questions about writing and drawing on the EdinburghInventory contributed to the positivity (right handedness) of the mean LQ, but equally across the ages. When a negative LQ was used to define left handedness the prevalence of left handedness fell from 11.2% at age 15 to 4.4% at age 70. Removal of the questions about writing anddrawing caused the prevalence of left handedness to fall from 10.5% at age 15 to 4.95% at age 70. Conclusions-Less than 20% of the fall in the prevalence of left handedness was accounted for by questions relating to writing and drawing. The fall in the prevalence of sinistrals in older age groups is not adequately explained by cohort effects of forced dextrality on the writing hand.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/11/20 alle ore 13:19:02