Ires Ghielen

88 Chapter 5 Table 3. Crude and adjusted regression coefficients for the following relationships: 1) between FoG and FoF, 2) between FoG and anxiety. β 95% CI p-value Change β compared to crude 1) FoG/FoF Crude 0.06 0.05 to 0.07 <0.001 Adjusted group 1* 0.06 0.05 to 0.08 <0.001 0% Adjusted group 2** 0.03 0.01 to 0.05 0.001 -50% Adjusted group 3*** 0.04 0.03 to 0.05 <0.001 -33,3% 2) FoG/anxiety Crude 0.28 0.17 to 0.38 <0.001 Adjusted group 1* 0.21 0.10 to 0.32 0.001 -25% Adjusted group 2** 0.18 0.08 to 0.29 0.002 -35,7% Adjusted group 3*** 0.10 0.001 to 0.19 0.048 -64,3% Abbreviations: FoG = Freezing of Gait, FoF = Fear of Falling, β = regression coefficient, CI = confidence interval. * Adjusted for demographics, **Adjusted for disease characteristics, ***Adjusted for medication and adverse effects. Table 4. Crude and adjusted regression coefficients for the relationship 3) between FoG (dependent) and FoF and anxiety (independent variables). Crude FoG β 95% CI p-value FoF 0.05 0,04 to 0.07 <0.0001 Anxiety 0.16 0.06 to 0.26 0.003 Adjusted group 1* Change in β compared to crude FoF 0.06 0,04 to 0.07 <0.0001 +20% Anxiety 0.11 0.01 to 0.22 0.0363 -31,3% Adjusted group 2** FoF 0.03 0,02 to 0.05 <0.0001 -40% Anxiety 0.16 0.05 to 0.26 0.0034 0% Adjusted group 3*** FoF 0.038 0,02 to 0.05 <0.0001 -24% Anxiety 0.042 0.05 to 0.14 0.3816 -73,7% Abbreviations: FoG = Freezing of Gait, FoF = Fear of Falling, β = regression coefficient, CI = confidence interval. * Adjusted for demographics, **Adjusted for disease characteristics, ***Adjusted for medication and adverse effects.