Table 3.
Convergent validity analyses comparing correlations between FACT-Cog Perceived Cognitive Impairments 18 item subscale and PROMIS Cog 8a
| Thinking and Living with Cancer Study (N=471) |
Mind Body Study (N=132) | Cognition After Breast Cancer Study (N=90) |
||||
|---|---|---|---|---|---|---|
| Construct | FACT-Cog PCI- 18 |
PROMIS Cog 8a |
FACT-Cog PCI-18 |
PROMIS Cog 8a |
FACT-Cog PCI-18 | PROMIS Cog 8a |
| Depression r | −0.338** | −0.378** | −.646** | −.643** | −.55** | −.56** |
| (specific measure) | (CES-D) | (BDI-II) | (PROMIS-Emotional Distress- Depressive Short Form 8a) |
|||
| Anxiety r | −0.260** | −0.290** | −.455** | −.467** | −.52** | −.51** |
| (specific measure) | (STAI State-Anxiety subscale) | (STAI State-Anxiety subscale) |
(PROMIS-Emotional Distress- Anxiety Short Form 8a) |
|||
| Stress r | - | - | −.534** | −.516** | −.66** | −.67** |
| (specific measure) | - | (PSS) | (PSS) | |||
| Fatigue r | 0.342** | 0.366** | .542** | .559** | −.62** | −.62** |
| (specific measure) | (FACIT-F) | (MFSI-Vigor subscale) | (PROMIS-Fatigue Short Form 8a) | |||
| Sleep r | −0.205** | −0.215** | −.322** | −.315** | −.51** | −.48** |
| (specific measure) | (PSQI) | (PSQI) | (PSQI) | |||
| Loneliness | - | - | - | - | −.51** | −.51** |
| (specific measure) | - | - | (UCLA Loneliness v 3) | |||
| Cognitive Abilities | 0.619** | 0.596** | .746** | .690** | .82** | .82** |
| (specific measure) | (FACT-Cog PCA subscale) | (FACT-Cog PCA subscale) | (FACT-Cog PCA subscale) | |||
| Quality of Life | 0.554** | 0.569** | .731** | .749** | .78** | .77** |
| (specific measure) | (FACT-Cog QOL subscale) | (FACT-Cog QOL subscale) | (FACT-Cog QOL subscale) | |||
| Comments from Others about Cognition | 0.340** | 0.362** | .617** | .649** | .62** | .63** |
| (specific measure) | (FACT-Cog CO subscale) | (FACT-Cog CO subscale) | (FACT-Cog CO subscale) | |||
| Cognitive Complaints: Squire Memory Questionnaire | .659** | .562** | ||||
| Cognitive Complaints: Patient’s Assessment of Own Functioning Inventory Total | .710** | .665** | ||||
Abbreviations: BDI-II: Beck Depression Inventory-II ; CES-D: Center for Epidemiologic Studies Depression Scale; CO: Comments from Others; FACIT-F: Functional Assessment of Chronic Illness Therapy Fatigue; FACT Cog: Functional Assessment of Cancer Therapy - Cognitive Function; MFSI: Multidimensional Fatigue Symptom Inventory; PCA: Perceived Cognitive Abilities; PCI: Perceived Cognitive Impairments; PROMIS: Patient-Reported Outcomes Measurement Information System; PSS: Perceived Stress Scale; PSQI: Pittsburgh Sleep Quality Index; STAI: State-Trait Anxiety Inventory; QOL: Quality of Life
**
p < .001