Avan Aihie Sayer

Social inequalities in grip strength, physical function, and falls among community dwelling older men and women: findings from the Hertfordshire Cohort Study (2009)

Syddall, Holly, Evandrou, Maria, Cooper, Cyrus, Sayer, Avan Aihie

Objectives: To explore social inequalities in grip strength, SF-36 physical functioning (PF), and falls among older people. Methods: We analyzed data from 3,225 men and women (age 59-73 years) who...

A study of relationships between single nucleotide polymorphisms from the growth hormone-insulin-like growth factor axis and bone mass: the Hertfordshire cohort study (2009)

Dennison, Elaine M., Syddall, Holly E., Jameson, Karen A., Sayer, Avan Aihie, Gaunt, Tom R., Rodriguez, Santiago, ...

Objective: we sought evidence of association of candidate single nucleotide polymorphisms (SNP) within the growth hormone-insulin-like growth factor 1 (IGF1) axis, largely selected on the basis of...

Randomized controlled trial of the efficacy of aerobic exercise in reducing metabolic risk in healthy older people: The Hertfordshire Physical Activity Trial (2009)

Finucane, Francis M., Horton, Jessica, Purslow, Lisa R., Savage, David B., Brage, Soren, Besson, Hervé, ...

Background: while there are compelling observational data confirming that individuals who exercise are healthier, the efficacy of aerobic exercise interventions to reduce metabolic risk and improve...

Current patterns of diet in community-dwelling older men and women: results from the Hertfordshire Cohort Study (2009)

Robinson, Siân, Syddall, Holly, Jameson, Karen, Batelaan, Sue, Martin, Helen, Dennison, Elaine M., ...

Background: dietary patterns analysis takes account of the combined effects of foods and may be a more meaningful way of assessing dietary exposure than considering individual nutrients. Little is...

Peri-implantation and late gestation maternal undernutrition differentially affect fetal sheep skeletal muscle development (2008)

Costello, Paula M., Rowlerson, Anthea, Astaman, Nur Aida, Anthony, Fred Erick W., Sayer, Avan Aihie, Cooper, Cyrus, ...

Poor prenatal nutrition is associated with a greater risk of adult glucose intolerance and insulin insensitivity in the offspring. Skeletal muscle is the primary tissue for glucose utilization, and...

Association of diarrhoea in childhood with blood pressure and coronary heart disease in older age: analyses of two UK cohort studies (2007)

Batty, G. David, Smith, George Davey, Fall, Caroline H.D., Sayer, Avan Aihie, Dennison, Elaine, Cooper, Cyrus, ...

BACKGROUND: There is a suggestion that acute dehydration in childhood may lead to elevated blood pressure. We examined if episodes of diarrhoea in childhood, a recognized proxy for acute dehydration,...

Grip strength, body composition, and mortality (2007)

Gale, Catharine R, Martyn, Christopher N, Cooper, Cyrus, Sayer, Avan Aihie

Background Several studies in older people have shown that grip strength predicts all-cause mortality. The mechanisms are unclear. Muscle strength declines with age, accompanied by a loss of muscle...

Specific associations of insulin resistance with impaired health-related quality of life in the Hertfordshire Cohort Study (2007)

Schlotz, Wolff, Ambery, Phil, Syddall, Holly E., Crozier, Sarah R., Sayer, Avan Aihie, Cooper, Cyrus, ...

Insulin resistance is a metabolic abnormality that underlies Type 2 diabetes, the metabolic syndrome and cardiovascular disease, but it may also be associated with more global health deficits. This...

Prevalence and functionality of paucimorphic and private MC4R mutations in a large, unselected European British population, scanned by meltMADGE (2007)

Alharbi, Khalid K., Spanakis, Emmanuel, Tan, Karen, Smith, Matt J., Aldahmesh, Mohammed A., O'Dell, Sandra D., ...

Identification of unknown mutations has remained laborious, expensive, and only viable for studies of selected cases. Population-based "reference ranges" of rarer sequence diversity are not...

Grip strength, body composition, and mortality (2007)

Gale, Catharine R., Martyn, Christopher N., Cooper, Cyrus, Sayer, Avan Aihie

BACKGROUND: Several studies in older people have shown that grip strength predicts all-cause mortality. The mechanisms are unclear. Muscle strength declines with age, accompanied by a loss of muscle...

Association of diarrhoea in childhood with blood pressure and coronary heart disease in older age: analyses of two UK cohort studies (2007)

Batty, G David, Smith, George Davey, Fall, Caroline H D, Sayer, Avan Aihie, Dennison, Elaine, Cooper, Cyrus, ...

Background There is a suggestion that acute dehydration in childhood may lead to elevated blood pressure. We examined if episodes of diarrhoea in childhood, a recognized proxy for acute dehydration,...

Nurse-led implementation of the single assessment process in primary care: a descriptive feasibility study (2006)

Roberts, Helen C., Hemsley, Zoe M., Thomas, Gwen, Meakins, Philip, Powell, Jackie, Robison, Judy, ...

Objective: to determine the resources required to carry out the single assessment process in primary care. Design: prospective descriptive study. Setting: one urban primary care practice,...

Is grip strength associated with health-related quality of life? Findings from the Hertfordshire Cohort Study (2006)

Sayer, Avan Aihie, Syddall, Holly E, Martin, Helen J., Dennison, Elaine M., Roberts, Helen C., Cooper, Cyrus

Objective: to investigate the relationship between grip strength and health-related quality of life (HRQoL). Design: cross-sectional survey within a cohort study design. Setting: the county of...

Nurse-led implementation of the single assessment process in primary care: a descriptive feasibility study (2006)

Roberts, Helen C., Hemsley, Zoe M., Thomas, Gwen, Meakins, Philip, Powell, Jackie, Robison, Judy, ...

Objective: to determine the resources required to carry out the single assessment process in primary care. Design: prospective descriptive study. Setting: one urban primary care practice,...

Is grip strength associated with health-related quality of life? Findings from the Hertfordshire Cohort Study (2006)

Sayer, Avan Aihie, Syddall, Holly E., Martin, Helen J., Dennison, Elaine M., Roberts, Helen C., Cooper, Cyrus

Objective: to investigate the relationship between grip strength and health-related quality of life (HRQoL). Design: cross-sectional survey within a cohort study design. Setting: the county of...

Falls, Sarcopenia, and Growth in Early Life: Findings from the Hertfordshire Cohort Study (2006)

Sayer, Avan Aihie, Syddall, Holly E., Martin, Helen J., Dennison, Elaine M., Anderson, Frazer H., Cooper, Cyrus

Recent studies have shown that people whose early growth is poor have an increased risk of sarcopenia. Sarcopenia is an important risk factor for falls, but it is not known whether poor early growth...

Developmental Origins of Midlife Physical Performance: Evidence from a British Birth Cohort (2006)

Kuh, Diana, Hardy, Rebecca, Butterworth, Suzanne, Okell, Lucy, Richards, Marcus, Wadsworth, Michael, ...

The authors hypothesized that 1) physical growth, as a marker of the early development of muscle fibers, and 2) advanced childhood motor and cognitive abilities, as markers of central nervous system...

Nurse-led implementation of the single assessment process in primary care: a descriptive feasibility study (2006)

Roberts, Helen C., Hemsley, Zoe M., Thomas, Gwen, Meakins, Philip, Powell, Jackie, Robinson, Judy, ...

Objective: To determine the resources required to carry out the single assessment process in primary care. Design: Prospective descriptive study. Setting: One urban primary care practice,...

Nurse-led implementation of the single assessment process in primary care: a descriptive feasibility study (2006)

Roberts, Helen C., Hemsley, Zoe M., Thomas, Gwen, Meakins, Philip, Powell, Jackie, Robison, Judy, ...

Objective: To determine the resources required to carry out the Single Assessment Process in primary care. Design: Prospective descriptive study. Setting: One urban primary care practice,...

Is grip strength associated with health-related quality of life? Findings from the Hertfordshire Cohort Study (2006)

Sayer, Avan Aihie, Syddall, Holly E., Martin, Helen J., Dennison, Elaine M., Roberts, Helen C., Cooper, Cyrus

Objective: To investigate the relationship between grip strength and health-related quality of life (HRQoL). Design: Cross-sectional survey within a cohort study design. Setting: The county of...

Grip strength, body composition, and mortality (2006)

Gale, Catharine R., Martyn, Christopher N., Cooper, Cyrus, Sayer, Avan Aihie

Background Several studies in older people have shown that grip strength predicts all-cause mortality. The mechanisms are unclear. Muscle strength declines with age, accompanied by a loss of muscle...

Polymorphism of the IGF2 gene, birth weight and grip strength in adult men (2002)

Sayer, Avan Aihie, Syddall, Holly, O'Dell, Sandra D., Chen, Xiao-he, Briggs, Patricia J., Briggs, R., ...

BACKGROUND: Grip strength is a simple measure of skeletal muscle function but a powerful predictor of disability, morbidity and mortality. Recent evidence has shown that prenatal and infant growth...

Null mutation in human ciliary neurotrophic factor gene confers higher body mass index in males (2002)

O'Dell, Sandra D., Syddall, Holly E., Sayer, Avan Aihie, Cooper, Cyrus, Fall, Caroline H.D., Dennison, Elaine M., ...

Ciliary neurotrophic factor (CNTF) administration reduces weight in leptin-resistant mice via the signalling pathway normally activated by leptin. A G>A null mutation in the CNTF gene results in...

Polymorphism of the IGF2 gene, birth weight and grip strength in adult men (2002)

Sayer, Avan Aihie, Syddall, Holly, O'Dell, Sandra D., Chen, Xiao-he, Briggs, Patricia J., Briggs, R., ...

Background: grip strength is a simple measure of skeletal muscle function but a powerful predictor of disability, morbidity and mortality. Recent evidence has shown that prenatal and infant growth...

Are rates of ageing determined in utero? (1998)

SAYER, AVAN AIHIE, COOPER, CYRUS, EVANS, JENNIFER R., RAUF, ABDUL, WORMALD, RICHARD P. L, OSMOND, CLIVE, ...

Background: epidemiological studies have shown that poor early growth is associated with cardiovascular and other degenerative diseases. This has been explained by programming, whereby undernutrition...

Aging and its relationship to early growth. (1997)

Sayer, Avan Aihie.

Thesis (Ph. D.)--University of Southampton, 1997.

Growth in early life predicts bone strength in late adulthood: The Hertfordshire Cohort Study

Oliver, Helen, Jameson, Karen A., Sayer, Avan Aihie, Cooper, Cyrus, Dennison, Elaine M.

Infant growth is a determinant of adult bone mass, and poor childhood growth is a risk factor for adult hip fracture. Peripheral quantitative computed tomography (pQCT) allows non-invasive assessment...

Peri-implantation and late gestation maternal undernutrition differentially affect fetal sheep skeletal muscle development

Costello, Paula M, Rowlerson, Anthea, Astaman, Nur Aida, Anthony, Fred Erick W, Sayer, Avan Aihie, Cooper, Cyrus, ...

Poor prenatal nutrition is associated with a greater risk of adult glucose intolerance and insulin insensitivity in the offspring. Skeletal muscle is the primary tissue for glucose utilization, and...

Current and future worldwide prevalence of dependency, its relationship to total population, and dependency ratios.

Harwood, Rowan H., Sayer, Avan Aihie, Hirschfeld, Miriam

OBJECTIVE: To estimate the number of people worldwide requiring daily assistance from another person in carrying out health, domestic or personal tasks. METHODS: Data from the Global Burden of...