Table 2.

Risk of Bias in studies on the prevalence of diabetes and prediabetes in Peru

	1	2	3	4	5	6	7	8	9
Study, Year	Was the sampling frame appropriate to address the target population?	Were the study participants recruited in an appropriate manner?	Was the sample size adequate?	Were the subjects and the setting of the study described in detail?	Was the data analysis conducted with sufficient coverage of the identified sample?	Were valid methods used for the identification of the condition?	Was the condition measured in a standard and reliable manner for all participants?	Was the statistical analysis appropriate?	Was the response rate adequate and, if not, was the low response rate adequately managed?	Total Score	Risk Level
ENINBSC (2004–2005)	*	*	*	*	*	*	*	*	*	9	Low
Schargrodsky 2008	*	*	*	*	*	*	*	*	*	9	Low
PERU MIGRANT 2011	*	*	*	*	*	*	*	*	*	9	Low
Revilla L. 2014	*	*	*	*	*	*	*	*		8	Low
Bernabe-Ortiz 2015	*	*	*	*	*	*	*	*		8	Low
Seclen 2015	*	*	*	*	*	*	*	*	*	9	Low
VIANEV 2017–2018	*	*	*	*	*	*	*	*	*	9	Low
Albitres-Flores 2020 (Tumbes)	*	*	*	*	*	*	*	*		8	Low