Table 2.
Partial correlations with ride frequency.
| Ride frequency | ||||
|---|---|---|---|---|
| Sample post-RCTa (n = 30) | Excluding outlier (n = 29) | |||
| r | p | r | p | |
| Demographics | ||||
| MCI classification | 0.18 | 0.38 | 0.13 | 0.54 |
| Physical illness scale | 0.08 | 0.69 | 0.06 | 0.77 |
| Executive function | ||||
| Stroop C-A (prior intervention change: post-pre)b | 0.38 | 0.05 | 0.43 | 0.03 |
| Exercise attitudes | ||||
| Exercise benefits and barriers scale (benefits) | −0.28 | 0.16 | −0.15 | 0.47 |
| Exercise benefits and barriers scale (barriers) | 0.37 | 0.06 | 0.37 | 0.07 |
| Social support for exercise scale (family) | −0.10 | 0.62 | −0.11 | 0.59 |
| Social support for exercise scale (friends) | 0.03 | 0.89 | −0.05 | 0.81 |
| Self-efficacy physical activity scale (total) | 0.52 | 0.01 | 0.42 | 0.04 |
| Motivation for physical activity measure (enjoy) | −0.15 | 0.48 | −0.20 | 0.33 |
| Motivation for physical activity measure (appearance) | −0.41 | 0.04 | −0.55 | 0.004 |
| Motivation for physical activity measure (fitness) | 0.00 | 1.00 | 0.01 | 0.98 |
| Motivation to exercise for cognitive benefit | 0.35 | 0.08 | 0.32 | 0.12 |
Note. Control variables included: group, age, education, and prior executive function (at enrollment).
aThe “Sample post-RCT” refers to those who completed the original RCT and the follow-up (even if they had zero rides).
bUsed change in difference score formula consistent with Best et al. (2014).