Table 3.
Multiple linear regression model to predict quality of life (n=71)
| Variables | T | B | P-value | R2 | [df] F |
|---|---|---|---|---|---|
| WHOQoL (physical health) | |||||
| Modified Barthel Index | 5.590 | 0.495 | 0.000 | 0.633 | [3,67] 38.462 |
| GDS | −2.740 | −0.258 | 0.008 | ||
| SNAQ | 2.704 | 0.228 | 0.009 | ||
| WHOQoL (psychological) | |||||
| GDS | −6.624 | −0.624 | 0.000 | 0.558 | [2,68] 42.953 |
| IADL | 2.202 | 0.202 | 0.034 | ||
| WHOQoL (social relationship) | |||||
| MOS-social support | 6.506 | 0.562 | 0.000 | 0.539 | [2,68] 39.763 |
| The MoCA | 3.850 | 0.332 | 0.000 | ||
| WHOQoL (environment) | |||||
| MOS-social support | 6.338 | 0.573 | 0.000 | 0.496 | [2,68] 33.403 |
| The MoCA | 3.007 | 0.272 | 0.004 | ||
Notes: Adjusted for WHOQoL (physical health): SNAQ, iron intake (mg), MoCA, GDS, B-IPQ, modified Barthel Index, and IADL. Adjusted for WHOQoL (psychological): MoCA, GDS, B-IPQ, B-IPQ (treatment control), B-IPQ (concern), IADL, and MOS-Social Support. Adjusted for WHOQoL (social relationship): MoCA, GDS, B-IPQ (treatment control), B-IPQ (concern), B-IPQ (understanding), IADL, and MOS-social support. Adjusted for WHOQoL (environment): MoCA, GDS, B-IPQ, B-IPQ (concern), IADL, MOS-social support, and DKQ. P<0.05 significant using multiple linear regression.
Abbreviations: B-IPQ, Brief-Illness Perception Questionnaire; DKQ, Diabetes Knowledge Questionnaire; GDS, Geriatric Depression Scale; IADL, instrumental activities of daily living; MoCA, Montreal Cognitive Assessment; MOS, Medical Outcome Study; SNAQ, simplified nutritional appetite questionnaire; WHOQoL, World Health Organization Quality of Life.