Table 3.

Factor loadings of nine author contributions on three main factors (‘Final approval of the article’ was omitted, and loadings <0.3 are not shown)

	Dimension 1 (Thinker)	Dimension 2 (Scribe)	Dimension 3 (Soldier)
Conception and design of the study	0.70 (0.55)
Analysis and interpretation of the data		0.66 (0.55)
Drafting of the article		0.60 (0.41)
Critical revision of the article for important intellectual content	0.69 (0.56)
Provision of study materials or patients			0.64 (0.52)
Statistical expertise		0.76 (0.67)
Obtaining of funding	0.65 (0.55)
Administrative, technical, or logistical support			0.58 (0.47)
Collection and assembly of data			0.75 (0.65)

Same analysis based on tetrachoric correlations in parentheses.