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Table 2 Coding of study designs for a review of diabetes in pregnancy among indigenous women

From: Diabetes in pregnancy among indigenous women in Australia, Canada, New Zealand, and the United States: a method for systematic review of studies with different designs

Research purpose Study design
Descriptive Descriptive (cross-sectional survey or qualitative study) or analytical (cohort study, case-control study or cross-sectional study with control group)
Intervention Experimental (control group) or other
Measurement Screening test efficacy studies
Other Reviews, opinions, guidelines, etc.