PT  - JOURNAL ARTICLE
AU  - Stefano Mattioli
AU  - Andrea Farioli
AU  - Robin M T Cooke
AU  - Alberto Baldasseroni
AU  - Jani Ruotsalainen
AU  - Donatella Placidi
AU  - Stefania Curti
AU  - Gianpiero Mancini
AU  - Mauro Fierro
AU  - Giuseppe Campo
AU  - Francesca Zanardi
AU  - Francesco S Violante
TI  - Hidden effectiveness? Results of hand-searching Italian language journals for occupational health interventions
AID  - 10.1136/oemed-2011-100180
DP  - 2012 Jul 01
TA  - Occupational and Environmental Medicine
PG  - 522--524
VI  - 69
IP  - 7
4099  - http://oem.bmj.com/content/69/7/522.short
4100  - http://oem.bmj.com/content/69/7/522.full
SO  - Occup Environ Med2012 Jul 01; 69
AB  - Objective To compare the yield of hand-searching with optimised electronic search strategies in retrieving occupational health (OH) intervention studies published in a language other than English. Methods The authors systematically hand-searched and screened reports of OH intervention studies published in Italian in peer-reviewed scientific journals between 1990 and 2008. The authors evaluated how many of them met the Cochrane Occupational Safety and Health Review Groups (OSHRG) definition of being an OH intervention study and how many potentially relevant studies retrieved by hand-searching would not be found by PubMed alone using the OSHRG's most specific and most sensitive search strings. Results Hand-searching retrieved 25 articles (reporting 27 studies), including nine not indexed in MEDLINE. Most studies (81%, 22/27) had a before–after design and only one was a randomised trial. The OSHRG's most sensitive search string retrieved all 16 articles published in the Italian language journals that were indexed in MEDLINE, while the most specific search strategy retrieved nine articles (56%, 9/16). The most specific search string showed a lower ‘number needed to read’ value than the most sensitive one (60 vs 132). Conclusions These findings suggest that a sensitive electronic search strategy may be able to find most of the OH interventions published in languages other than English that are indexed in MEDLINE. Hand-searching of important national journals not indexed in MEDLINE should be considered when conducting particularly in-depth research.