Table 2.
Estimated means of QoL measures according to comorbidity and attitudes to aging (N = 361)
| Comorbidity/attitudes to aging | N | Generic QoL | Older-specific QoL | ||||
|---|---|---|---|---|---|---|---|
| Mean (SE) | Coefficient (95 % CI) | P value | Mean (SE) | Coefficient (95 % CI) | P value | ||
| Comorbidity | |||||||
| None | 176 | 60.6 (1.1) | (Reference) | – | 64.4 (1.1) | (Reference) | – |
| Low | 159 | 56.5 (1.1) | −4.2 (−7.0:−1.3) | 0.004 | 59.6 (1.1) | −4.8 (−7.8:−1.8) | 0.002 |
| Moderate and high | 26 | 54.1 (2.6) | −6.6 (−12.1:−1.1) | 0.019 | 59.4 (2.7) | −5.0 (−10.7: 0.8) | 0.089 |
| CCI (continuous) | 361 | −3.7 (−5.9:−1.5) | 0.001 | −3.6 (−5.9:−1.3) | 0.003 | ||
| Attitudes to aging | |||||||
| Highest tertile | 112 | 69.1 (1.0) | (Reference) | – | 73.6 (1.1) | (Reference) | – |
| Middle tertile | 118 | 58.3 (1.0) | −10.8 (−13.6:−8.0) | <0.001 | 61.9 (1.0) | −11.7 (−14.5:− 8.8) | <0.001 |
| Lowest tertile | 131 | 48.5 (1.0) | −20.6 (−23.3:−17.9) | <0.001 | 51.3 (1.0) | −22.3 (−25.1:−19.5) | <0.001 |
| AAQ (continuous) | 361 | 0.8 (0.7: 0.9) | <0.001 | 0.9 (0.8: 1.0) | <0.001 | ||
Generalized linear models adjusted for age, gender, education, and living arrangements
SE standard error, CI confidence interval, CCI Charlson comorbidity index (a higher index indicates a severer comorbidity), AAQ Attitudes to Aging Questionnaire (a higher score indicates more positive attitudes toward aging)