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Mental ability across childhood in relation to risk factors for premature mortality in adult life: the 1970 British Cohort Study

Mental ability across childhood in relation to risk factors for premature mortality in adult life: the 1970 British Cohort Study
Mental ability across childhood in relation to risk factors for premature mortality in adult life: the 1970 British Cohort Study
Objectives To examine the relation of scores on tests of mental ability across childhood with established risk factors for premature mortality at the age of 30 years.
Methods: A prospective cohort study based on members of the British Cohort Study born in Great Britain in 1970 who had complete data on IQ scores at five (N = 8203) or 10 (N = 8171) years of age and risk factors at age 30 years.
Results: In sex-adjusted analyses, higher IQ score at age 10 years was associated with a reduced prevalence of current smoking (OR(per 1 SD advantage in IQ) 0.84; 95% CI 0.80, 0.88), overweight (0.88; 0.84, 0.92), obesity (0.84; 0.79, 0.92), and hypertension (0.90; 0.83, 0.98), and an increased likelihood of having given up smoking by the age of 30 years (1.25; 1.18, 1.24). These gradients were attenuated after adjustment for markers of socioeconomic circumstances across the life course, particularly education. There was no apparent relationship between IQ and diabetes. Essentially the same pattern of association was evident when the predictive value of IQ scores at five years of age was examined.
Conclusions: The mental ability-risk factor gradients reported in the present study may offer some insights into the apparent link between low pre-adult mental ability and premature mortality
methods, Britain, overweight, public health, cardiovascular disease, prevalence, mortality, hypertension, obesity, risk, smoking, research, education, risk factors, cohort, diabetes, adult, health, cohort studies, childhood, Great Britain
0143-005X
997-1003
Batty, G.D.
bf322937-2cfb-4174-b5cb-dc016f0d0b8a
Deary, I.J.
e3403cfe-eb5b-4941-903d-87ef0db89c60
Schoon, I.
a22d1a2b-f2ad-401f-b0ee-80564ad12bb7
Gale, C.R.
5bb2abb3-7b53-42d6-8aa7-817e193140c8
Batty, G.D.
bf322937-2cfb-4174-b5cb-dc016f0d0b8a
Deary, I.J.
e3403cfe-eb5b-4941-903d-87ef0db89c60
Schoon, I.
a22d1a2b-f2ad-401f-b0ee-80564ad12bb7
Gale, C.R.
5bb2abb3-7b53-42d6-8aa7-817e193140c8

Batty, G.D., Deary, I.J., Schoon, I. and Gale, C.R. (2007) Mental ability across childhood in relation to risk factors for premature mortality in adult life: the 1970 British Cohort Study. Journal of Epidemiology & Community Health, 61 (11), 997-1003. (doi:10.1136/jech.2006.054494).

Record type: Article

Abstract

Objectives To examine the relation of scores on tests of mental ability across childhood with established risk factors for premature mortality at the age of 30 years.
Methods: A prospective cohort study based on members of the British Cohort Study born in Great Britain in 1970 who had complete data on IQ scores at five (N = 8203) or 10 (N = 8171) years of age and risk factors at age 30 years.
Results: In sex-adjusted analyses, higher IQ score at age 10 years was associated with a reduced prevalence of current smoking (OR(per 1 SD advantage in IQ) 0.84; 95% CI 0.80, 0.88), overweight (0.88; 0.84, 0.92), obesity (0.84; 0.79, 0.92), and hypertension (0.90; 0.83, 0.98), and an increased likelihood of having given up smoking by the age of 30 years (1.25; 1.18, 1.24). These gradients were attenuated after adjustment for markers of socioeconomic circumstances across the life course, particularly education. There was no apparent relationship between IQ and diabetes. Essentially the same pattern of association was evident when the predictive value of IQ scores at five years of age was examined.
Conclusions: The mental ability-risk factor gradients reported in the present study may offer some insights into the apparent link between low pre-adult mental ability and premature mortality

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More information

Published date: 2007
Keywords: methods, Britain, overweight, public health, cardiovascular disease, prevalence, mortality, hypertension, obesity, risk, smoking, research, education, risk factors, cohort, diabetes, adult, health, cohort studies, childhood, Great Britain
Organisations: Medicine

Identifiers

Local EPrints ID: 60897
URI: https://eprints.soton.ac.uk/id/eprint/60897
ISSN: 0143-005X
PURE UUID: b4495cf5-9a10-4698-bd77-45db48228fec
ORCID for C.R. Gale: ORCID iD orcid.org/0000-0002-3361-8638

Catalogue record

Date deposited: 04 Sep 2008
Last modified: 14 Mar 2019 01:52

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