Research Article

Walking Ability Is a Major Contributor to Fear of Falling in People with Parkinson's Disease: Implications for Rehabilitation

Table 1

Sample characteristics and bivariate associations with FES(S) scores ( ).

Total sampleSpearman correlations with FES(S) scoresP value

Mean (SD) age, years70 (9.1)−0.240.003
Mean (SD) PD duration, years6 (5.4)−0.42<0.001
Fatigue (FACIT-F), median (q1–q3)36 (27–42)0.67<0.001
Physical function (PF), median (q1–q3)65 (40–84)0.79<0.001
Pain (NHP), median (q1–q3)0 (0–25)−0.50<0.001
Walk-12G, median (q1–q3)13 (6–23)−0.82<0.001

n/total%Median (q1–q3) FES(S) scoresP-valuea

Dichotomous variablesNoYes

Education: university degree37/15324115 (69–130)112 (70–130)0.941
Living alone38/15025119 (80–130)96 (55–130)0.125
Comorbidity77/14250107 (60–130)120 (74–130)0.271
Motor fluctuations90/15258124 (86–130)104 (64–128)0.010
Dyskinesia57/15337124 (85–130)93 (53–117)<0.001
Freezing of gaitb57/15237128 (112–130)69 (47–101)<0.001
Turning hesitationsc58/15038128 (113–130)69 (48–102)<0.001
Experienced falls50/14933123 (90–130)81 (44–113)<0.001
Experienced near falls69/14745129 (111–130)84 (52–115)<0.001
Needing help from others in daily activities42/15327124 (104–130)59 (35–91)<0.001
Sex, women62/15241Women
116 (52–130)
Men
112 (77–130)
0.407

Possible score ranges: FACIT-F, 0–52 (higher = better); PF, 0–100 (higher = better); NHP-Pain, 0–100 (higher = worse); Walk-12G, 0–42 (higher = worse); FES(S), 0–130 (higher = better).
aMann Whitney U-test.
bAs assessed by item 3 (“freezing”) of the FOGQsa (Freezing of Gait Questionnaire, self-administered version). Those scoring ≥1 were categorized as freezers.
cAs assessed by item 6 (“turning hesitations”) of the FOGQsa. Those scoring ≥1 were categorized as having turning hesitations.
FACIT-F: the Functional Assessment of Chronic Illness Therapy-Fatigue scale; FES(S): the Swedish version of the Falls Efficacy Scale; NHP: the Nottingham Health Profile; PD: Parkinson’s disease; SD: standard deviation; q1–q3: first and third quartiles.