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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Med Decis Making. 2018 Feb 13;38(3):334–343. doi: 10.1177/0272989X17753392

Table 4.

Validity Analyses

Variable CHAI P-Value
Construct Validity
Multidimensional Health Locus of Control – Internal         rp =0.38 <0.001
Conscientiousness (NEO)         rp =0.41 <0.001
Discriminant Validity
Health Literacy, Mean (SD)   0.57
Adequate 76.7 (15.2)
Limited 75.6 (14.8)
Predictive Validity
Depression (PROMIS)         rp =−0.28 <0.001
Anxiety (PROMIS)         rp =−0.22 <0.001
Physical Functioning (PROMIS)         rp =0.22 <0.001
Decline in Physical Functioning (PROMIS), Mean (SD)   0.04
 No Decline     77.4 (14.8)
 Decline     73.3 (15.3)
Self-rated Overall Health         rs =−0.16   0.01
Self-report # Chronic Conditions         rs =−0.10   0.07

rp =Pearson’s r, rs =Spearman’s rho