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. Author manuscript; available in PMC: 2018 Oct 15.
Published in final edited form as: Exp Gerontol. 2017 Jul 6;97:9–16. doi: 10.1016/j.exger.2017.07.003

Figure 2. ICA model for middle-aged 9-hole pegboard test.

Figure 2

Correlations between the four outcome measures and the covariance they explained for the three significant independent components. Upward bars indicate positive correlations and downward bars denote negative correlations. 9HPT = time to complete the 9-hole pegboard test, Error double wrist 10% = force error of double-action wrist extension at 10% MVC, Match time index 5% = time to match a 5% index finger abduction force target, and Education = ordinal measure of education level from the NIH Toolbox.