Table 1.

Screening form to assess the eligibility of the potential research articles 

Study Characteristics			Page/ Para/ Figure #
Type of Study (Interventional studies)	□ Observational study • □ Case–control • □ Cross-sectional • □ Cohort	□ Interventional study • □ Randomized controlled trial • □ Quasi-experimental study • □ Pre-post design
	□ Qualitative study • Exploratory • Descriptive • Ethnography • other	□ Other design (specify):
	Does the study design meet the criteria for inclusion? Yes □ No □ →Exclude Unclear □
Study Participants (Studies involving women of reproductive age 15–49 years	Describe the participants included:
	Are participants defined as women of reproductive age from 15–49 years?	Yes □ No □ Unclear □ Details:
	How is the age or gender defined?	Details: Specific age group and gender (e.g. men / women):
	Do the participants meet the criteria for inclusion?	Yes □ No □ →Exclude Unclear □
Study setting: Developing countries Follow the list of all developing countries of Asia and Africa based on World bank definition of 2018	Is the study conducted in developing countries?	Yes □ No □ →Exclude Unclear □ Specify the region: –––––- Specify the country:–––––––-
Intervention (Studies will be included that have measured the efficacy and effectiveness of iron)	Intervention
	Does the study measure the efficacy and effectiveness of iron in reducing anemia ?	Yes □ No □ →Exclude Unclear □
	Does the study measure the effects of iron (in any form) in reducing anemia ?	Yes □ No □ →Exclude Unclear□
Types of outcome measures (anemia or hemoglobin levels): defined as Hb < 12.0 g/dl or Hct < 36% among non-pregnant women, and Hb < 11.0 g/dl or Hct < 33.0% among pregnant women	List outcomes:	Give definition of anemia used by author:
	Do the outcome measures meet the criteria for inclusion?	Yes □ No □ →Exclude Unclear□
Year of Publication 2000 to 2020	Is the identified article published between 2000 and 2020?	Yes □ No □ →Exclude Unclear □ Specify the year––––-
Language of the published article English language	Is the identified article published in English language?	Yes □ No □ →ExcludeUnclear □ Specify the language––––
Type of journal Peer reviewed journal (Check from the list of all relevant journals or run a google search)	Is the identified journalpeer reviewed?	Yes □ No □ →ExcludeUnclear □ Specify the journal ––––
Summary of Assessment for Inclusion
Include in review □	Exclude from review □
Independently assessed by two authors, and then compared? Yes □ No □	Differences resolved Yes □ No □
Notes: