Regression coefficients (95% CIs) for the relationship between physical frailty status and standardised factor score estimates of slope of cognitive ability between ages 70 and 79 years
| Adjustments | Physical frailty status | Visuospatial ability | Memory | Speed | Crystallised ability | General cognitive ability |
| Age and sex | Not frail | Reference | Reference | Reference | Reference | Reference |
| Prefrail | −0.07 (−0.21 to 0.06) | −0.04 (−0.17 to 0.10) | −0.07 (−0.20 to 0.06) | −0.08 (−0.22 to 0.05) | −0.08 (−0.21 to 0.06) | |
| Frail | −0.45 (−0.70 to –0.20) | −0.32 (−0.56 to –0.07) | −0.47 (−0.72 to –0.22) | −0.43 (−0.68 to –0.18) | −0.45 (−0.70 to –0.21) | |
| Multivariable* | Not frail | Reference | Reference | Reference | Reference | Reference |
| Prefrail | −0.05 (−0.19 to 0.08) | −0.03 (−0.17 to 0.10) | −0.05 (−0.19 to 0.08) | −0.07 (−0.20 to 0.07) | −0.06 (−0.20 to 0.07) | |
| Frail | −0.39 (−0.66 to –0.17) | −0.31 (−0.58 to –0.04) | −0.40 (−0.67 to –0.13) | −0.36 (−0.63 to –0.09) | −0.39 (−0.66 to –0.12) |
*Age, sex, smoking status, years of education, number of chronic physical diseases and depressive symptom score.