APPENDIX B.

Pearson's correlation coefficients for the relation between individual cognitive test scores and major cognitive function factors in a sample of Puerto Ricans living in Massachusetts¹

Individual test	Factor 1 (executive function)	Factor 2 (memory)	Factor 3 (attention)
Letter fluency	0.49	—	0.42
Figure copying	0.60	—	0.30
Digits forward	—	—	0.78
Digits backward	0.29	—	0.70
Clock drawing	0.63	—	—
Stroop 1	0.73	—	—
Stroop 2	0.82	—	—
Stroop 3	0.75	—	—
Word list learning sum score	0.27	0.78	—
Recognition	—	0.77	—
Short-term recall facilitated	—	0.87	—
Long-term recall facilitated	—	0.88	—
Mini-Mental State Examination, attention	—	—	0.48

¹Correlation coefficients <0.25 were omitted for simplicity.