Table 1.

Quality Grading of Studies Included in a Systematic Review on Medical Students’ Primary Care Career Choices

Scale	Components of scale
Study quality 1 = low 5 = high	Appropriate research design Attention to ethical concerns Adequate recruitment of participants Adequate data collection methods Appropriate analyses
Quality of information provided in the published article 1 = low 5 = high	Statement of study objectives and research questions Sufficient information on sampling, data collection and possible bias Detailed description of analysis
Strength of findings	1 = no clear conclusions can be drawn 2 = results are weak or ambiguous, but there appears to be a trend 3 = conclusions can probably be drawn from the results 4 = results are clear and very likely to be true 5 = results are unequivocal
Overall quality rating	High quality = sum of the three scores ≥ 10 and no score < 3 Low quality = sum of the three scores < 10 or any score < 3