Table 1.
Participants' characteristics.
| Variable | Younger adults (Y) | Older adults high physical function (HM) | Older adults low physical function (LM) | Pairwise comparison | ||
|---|---|---|---|---|---|---|
| Y vs. HM | Y vs. LM | HM vs. LM | ||||
| Participants, n | 24 | 29 | 15 | |||
| Sex (M/F), n* | 11/13 | 14/15 | 3/12 | |||
| Age, years | 22.8 ± 3.3 | 73.5 ± 4.9 | 75.1 ± 6.8 | < 0.001 | < 0.001 | 0.587 |
| BMI, kg/m2 | 23.4 ± 3.3 | 25.5 ± 3.7 | 29.4 ± 5.5 | 0.172 | < 0.001 | 0.015 |
| SPPB, score | 12.0 ± 0.0 | 11.0 ± 0.8 | 8.2 ± 0.8 | < 0.001 | < 0.001 | < 0.001 |
| 400-m walk, min | 5.7 ± 0.8 | 6.1 ± 1.0 | 6.8 ± 1.1 | 0.467 | 0.005 | 0.049 |
| MoCA, score | 28.0 ± 1.6 | 27.1 ± 1.6 | 27.3 ± 1.6 | 0.115 | 0.387 | 0.917 |
Data are presented as mean ± standard deviation (s.d.), except for participants and sex, which are reported as counts.
BMI, body mass index; SPPB, short physical performance battery; MoCA, Montreal cognitive assessment.
*Chi-square (χ2) tests were conducted to compare the distribution of sex between groups.