Table 5

 Summary of association of the three gait factors with baseline and rate of change on general and specific cognitive domains assessed by linear mixed models, controlled for age, sex and education

Cognitive domainGeneralMemoryExecutive functionAttention
Cognitive testBlessedFCSRTDigit SymbolLetter FluencyDigit Span
FCSRT, Free and Cued Selective Reminding Test.
See methods for explanation of model terms.
Values are estimates with 95% CI.
Significant interactions are in bold.
*p = 0.02, **p = 0.01, ***p<0.001.
Pace factor
    Factor0.40 (0.14, 0.66)–0.0002 (–0.15, 0.15)–3.57 (–4.86, –2.29)–3.02 (–4.28, –1.77)–0.53 (–0.89, –0.16)
    Time0.23 (0.11, 0.34)–0.14 (–0.27, –0.02)2.48 (2.08, 2.88)0.50 (0.16, 0.84)0.71 (0.58, 0.83)
    Factor×time0.15 (0.03, 0.27)**–0.09 (–0.22, 0.04)–0.73 (–1.15, –0.31)***–0.46 (–0.82, –0.11)***–0.09 (–0.23, 0.04)
Rhythm factor
    Factor0.34 (0.08, 0.59)–0.05 (–0.19, 0.08)–1.05 (–2.30, 0.19)–0.92 (–2.14, 0.29)–0.18 (–0.53, 0.18)
    Time0.23 (0.11, 0.34)–0.14 (–0.27, –0.02)2.48 (2.08, 2.88)0.50 (0.16, 0.84)0.71 (0.58, 0.83)
    Factor×time0.05 (–0.07, 0.17)–0.15 (–0.28, –0.02)*–0.09 (–0.51, 0.33)–0.01 (–0.37, 0.34)–0.09 (–0.22, 0.04)
Variability factor
    Factor0.16 (–0.08, 0.41)–0.11 (–0.24, 0.02)–0.61 (–1.81, 0.58)–0.20 (–1.36, 0.96)–0.14 (–0.48, 0.20)
    Time0.23 (0.11, 0.34)–0.14 (–0.27, –0.02)2.48 (2.08, 2.88)0.50 (0.16, 0.84)0.71 (0.58, 0.83)
    Factor×time0.08 (–0.04, 0.20)0.04 (–0.09, 0.16)–0.11 (–0.53, 0.32)–0.21 (–0.57, 0.15)0.07 (–0.05, 0.20)