Quality of reporting in chiropractic mixed methods research: a methodological review protocol

Table 2 Unadjusted and adjusted odds ratios for the proportion of Good Reporting of A Mixed Methods Study (GRAMMS) items reported among included studies

Factor	Unadjusted OR (95% CI)	P-value	Adjusted OR (95% CI)	P-value
Year of publication
Pre-2009	Reference		Reference
Post-2009	X	X	X	X
Journal impact factor^a
Lower	Reference		Reference
Higher	X	X	X	X
Number of authors^a
Lower	Reference		Reference
Higher	X	X	X	X
Inclusion of methodologist
No/unclear	Reference		Reference
Yes	X	X	X	X

CI confidence interval, OR odds ratio
^aThis factor will be dichotomized at the median value, calculated across included studies

ISSN: 2045-709X