Secular changes and predictors of adult height for 86 105 male and female members of the Thai Cohort Study born between 1940 and 1990

Jordan, Susan, Lim, Lynette, Seubsman, Sam-ang, Bain, Christopher, Sleigh, Adrian and Thai Cohort Study Team (2012) Secular changes and predictors of adult height for 86 105 male and female members of the Thai Cohort Study born between 1940 and 1990. Journal of Epidemiology and Community Health, 66 1: 75-80. doi:10.1136/jech.2010.113043

Author Jordan, Susan
Lim, Lynette
Seubsman, Sam-ang
Bain, Christopher
Sleigh, Adrian
Thai Cohort Study Team
Title Secular changes and predictors of adult height for 86 105 male and female members of the Thai Cohort Study born between 1940 and 1990
Journal name Journal of Epidemiology and Community Health   Check publisher's open access policy
ISSN 0143-005X
Publication date 2012-01
Year available 2010
Sub-type Article (original research)
DOI 10.1136/jech.2010.113043
Volume 66
Issue 1
Start page 75
End page 80
Total pages 6
Place of publication London, U.K.
Publisher BMJ Group
Collection year 2011
Language eng
Formatted abstract
Background: Height trends can be useful indicators of population health but, despite Thailand's rapid socioeconomic development since the 1950s, few studies have examined accompanying secular changes in adult height or the effects of the transition on the heights of rural versus urban populations. This study therefore sought to document average heights in different age groups of rural and urban Thais and to investigate factors associated with attained height.

Methods: Data from 86 105 Thai Cohort Study participants was used to estimate mean heights for men and women in different birth year groups. Simple regression was used to calculate the change in height per decade of birth year among those based in rural or urban locations as children. Multiple linear regression was used to investigate effects of other childhood factors on height.

Results: Overall, average heights were found to have increased by approximately 1 cm per decade in those born between 1940 and 1990. However, the rate of increase was 0.4e0.5 cm per decade greater among urban-based Thais compared with those from the countryside. Parental education levels, household assets, birth size, sibling number, birth rank and region of residence were also significantly associated with adult height.

Conclusions: These data suggest a marked secular increase in Thai heights in the second half of the 20th century probably reflecting improved childhood health and nutrition over this time. Rural-born Thais, who benefited to a lesser extent from the changes, may face future health challenges with greater risks of, among other things, obesity and its health consequences.
Keyword Height trends
Secular changes
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published Online First 30 August 2010. The Thai Cohort Study team consists of: Thailand: Jaruwan Chokhanapitak, Chaiyun Churewong, Suttanit Hounthasarn, Suwanee Khamman, Daoruang Pandee, Suttinan Pangsap, Tippawan Prapamontol, Janya Puengson, Yodyiam Sangrattanakul, Sam-ang Seubsman, Boonchai Somboonsook, Nintita Sripaiboonkij, Pathumvadee Somsamai, Duangkae Vilainerun, Wanee Wimonwattanaphan.Australia: Chris Bain, Emily Banks, Cathy Banwell, Bruce Caldwell, Gordon Carmichael, Tarie Dellora, Jane Dixon, Sharon Friel, David Harley, Matthew Kelly, Tord Kjellstrom, Lynette Lim, Anthony McMichael, Tanya Mark, Adrian Sleigh, Lyndall Strazdins.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
School of Public Health Publications
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Created: Tue, 08 Mar 2011, 15:39:45 EST by Geraldine Fitzgerald on behalf of School of Public Health