Meat and colorectal cancer in Middle Eastern and North African countries: update of literature review

Public Health Reviews

Table 1 Quality assessment of published papers on meat and colorectal cancer in Middle East and North African countries

Author/Year/Reference	Relevant to this SR	Aims clearly stated	Appropriate study method	Sample representative of target population	Confounding and bias considered	Good response rate?	Were questions piloted?	Tables/figures understandable	Can results be applied to local situation?	Accepted as type IV evidence? [17]
Nashar and Almurshed, 2008 [18]	Yes	Yes	Yes	No	No	Yes	No	Yes	Yes	No (type III)
Bener et al., 2010 [19]	Yes	Yes	Yes	No	Yes	No	No	Yes	Yes	No (type III)
Guesmi et al., 2010 [20]	Yes	Yes	No	No	No	Yes	No	Yes	Yes	No (type III)
Arafa et al., 2011 [21]	Yes	Yes	Yes	No	Yes	No	No	Yes	Yes	No (type III)
Safari et al., 2013 [22]	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	No (type III)
Mahfouz et al., 2014 [23]	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes	No (type III)
Abu Mweis et al., 2015 [24]	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	No (type III)
Tayyem et al., 2015 [25]	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	No (type III)
Azizi et al., 2015 [26]	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	No (type III)
Tayyem et al., 2016 [27]	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	No (type III)
El-Moselhy et al., 2017 [28]	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes	No (type III)

ISSN: 2107-6952