title: Scientific production on indoor air quality of environments used for physical exercise and sports practice: Bibliometric analysis.
abstract: BACKGROUND
  In order to minimize adverse health effects and increase the benefits of physical activity, it is important to systematize indoor air quality study in environments used for physical exercise and sports.
  
  
  OBJECTIVE
  To investigate and analyze the scientific production related to indoor air quality of environments used for physical exercise and sports practice through a bibliometric analysis.
  
  
  METHODS
  The databases Scielo, Science Direct, Scopus, Lilacs, Medline via Pubmed, and SportDiscus were searched from their inception to March 2016. Bibliometric analysis was performed for authors, institutions, countries, and collaborative networks, in relation to publication year, theme, citation network, funding agency, and analysis of titles and keywords of publications. Country, area, and impact factor of the journals were analyzed.
  
  
  RESULTS
  Of 1281 studies screened, 34 satisfied the inclusion criteria. The first publication occurred in 1975. An increase in publications was observed in the last 15 years. Most of the studies were performed by researchers in the USA, followed by Portugal and Italy. Seventeen different scientific journals have published studies on the subject, and most are in the area of Environmental Sciences. It was noted that the categories of author keywords associated with "Pollutants," "Sport Environment," and "Physical Exercise" were the most commonly used in most studies. A total of 68% of the studies had at least one funding agency, and 81% of studies published in the last decade had funding.
  
  
  CONCLUSIONS
  Our results demonstrate that there is recent exponential growth, driven in the last decade by researchers in environmental science from European institutions.
authors.affiliation: Laboratory of Sport and Exercise Psychology, Center of Health and Sport Science, Santa Catarina State University, Florianópolis, Santa Catarina, Brazil; Federal Institute of Education, Science and Technology of Santa Catarina, São José, Santa Catarina, Brazil. Electronic address: alexandro.andrade.phd@gmail.com.
authors.forename: Alexandro
authors.initials: A
authors.lastname: Andrade
authors.affiliation: Laboratory of Sport and Exercise Psychology, Center of Health and Sport Science, Santa Catarina State University, Florianópolis, Santa Catarina, Brazil. Electronic address: fabiohdominski@hotmail.com.
authors.forename: Fábio Hech
authors.initials: FH
authors.lastname: Dominski
authors.affiliation: Laboratory of Sport and Exercise Psychology, Center of Health and Sport Science, Santa Catarina State University, Florianópolis, Santa Catarina, Brazil. Electronic address: daniloreiscoimbra@yahoo.com.br.
authors.forename: Danilo Reis
authors.initials: DR
authors.lastname: Coimbra
mesh_terms: D016902:Air Pollution, Indoor; D015706:Bibliometrics; D015444:Exercise; D006801:Humans; D007558:Italy; D055811:Journal Impact Factor; D011174:Portugal; D013177:Sports
keywords: Air pollutants; Air pollution; Bibliometric; Health; Indoor; Motor activity; Sports