Regression coefficients (95% CIs) for the relationship between physical frailty status and standardised factor score estimates of level of cognitive ability at age 70 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 | −0.20 (−0.33 to –0.07) | −0.16 (−0.29 to –0.03) | −0.22 (−0.34 to –0.09) | −0.17 (−0.31 to –0.04) | −0.20 (−0.33 to –0.07) | |
| Frail | −0.83 (−1.07 to –0.58) | −0.72 (−0.97 to –0.48) | −0.95 (−1.19 to –0.71) | −0.58 (−0.82 to –0.33) | −0.85 (−1.10 to –0.61) | |
| Multivariable* | Not frail | Reference | Reference | Reference | Reference | Reference |
| Prefrail | −0.08 (−0.20 to 0.04) | −0.04 (−0.16 to 0.08) | −0.10 (−0.22 to 0.02) | −0.05 (−0.17 to 0.06) | −0.07 (−0.19 to 0.04) | |
| Frail | −0.41 (−0.65 to –0.17) | −0.31 (−0.55 to –0.07) | −0.51 (−0.76 to –0.27) | −0.16 (−0.39 to 0.07) | −0.40 (−0.64 to –0.16) |
*Age, sex, smoking status, years of education, number of chronic physical diseases and depressive symptom score.