We use the parameters of the World Health Organization: child - 0 to 9 years

Teen - 10-19 years, young - 15 to 24 years and adult - 25 to 59

We use the parameters of the World Health Organization: child - 0 to 9 years

Teen - 10-19 years, young - 15 to 24 years and adult - 25 to 59

Dear Marco Nunes,

Thank you for your help! May I bother you once again to tell me the specific reference material (article) on which you read this information (if you remember it/can get it easily)?.

Hi Befikadu,

http://www.who.int/mediacentre/factsheets/fs334/en/

Hello Befikadu,

You can check out the Standard International age classifications here: 

http://unstats.un.org/unsd/publication/SeriesM/SeriesM_74e.pdf. 

Sorry, may I ask about the reference of age categories? for the standard classification that mentioned by @omotola Olasupo is old reference (1982). is there the update one?

Hi 

Please check this reference page 14:

http://apps.who.int/iris/bitstream/10665/97035/1/9789241548649_eng.pdf?ua=1

hi

The one which i referred from the above mentioned reference: who is mainly for girls and women. i hope i could find the universal age group definition and its cut off points. thanks

Hi, I though it could be useful. See the Page 18

http://www.ins.gob.pe/repositorioaps/0/5/zop/zona_izquierda_1/Informe%20Indicadores%20PAN%20_180111.pdf 

A commonly used classification is the 5-year interval (

Hi. I need help. I am writing a paper on nursing students perception about their clinical learning environment in my country- The Gambia. I am having trouble with caterigorizing the ages of my students which ranges from18 - 50. Any suggestions?

I think nice answer is given by Marco Antonio Prado Nunes.

The link below may help

http://www.who.int/hiv/pub/guidelines/arv2013/intro/keyterms/en/

I will recommend you look at the age categorisation structure adopted the Demographic and Health Surveys. The are a standardised and provides accurate measurements for health research.

Hi everyone,

I am looking for a literary reference on years of work experience in the construction industry for my research. Any ideas please?

Hi, can any one help me please in the true definition of school age children in health research with reference.