Official Journal of the Human Genome Organisation
From: The use of race, ethnicity and ancestry in human genetic research
 | Sankar et al. (2007) | Current study |
---|---|---|
Data derived from articles from publication years | 2001–2004 | 2008–2009 |
# Articles | 330 | 170 |
Sample selection criteria | Medline search strategy: race and ethnicity, genetics and population keywords; AND publication in one of 3 journal type samples (genetics, clinical, and general); mainly high impact journals | Pubmed search strategy: (race OR ethnicity OR ancestry) AND (SNP OR polymorphism OR CNV) keywords; AND publication in one of six leading journals for the publication of human genetic research; mainly high impact journals |
Variables coded | |||
---|---|---|---|
Basic features | P value by chi sq | ||
 Hypothesis | 99 (30%) | 169 (99.4%) | <0.001* |
 Limitations | 75 (22.70%) | 87 (52.4%) | <0.001* |
 Sample origin | 206 (62.40%) | 163 (95.9%) | <0.001* |
Reason for using populations | |||
 Why populations | 36 (10.90%) | 113 (66.5%) | <0.001* |
 Why this population | 37 (11.20%) | 116 (68.2%) | <0.001* |
 Defines generic ‘race and ethnicity’ or ‘ancestry’ | 0% |  0% | N/A |
Ways of using populations in research | |||
 Label for study population only | 76 (23%) | 82 (48.2%) | <0.001* |
 Independent variable | 154 (46.70%) | 87 (51.2%) | 0.389 |
 Dependent variable | 16 (4.80%) | 1 (0.59%) | 0.026* |
 DNA with a label | 35 (10.60%) |  23 (13.5%) | 0.412 |