Examination of useful items for the assessment of fall risk in the community-dwelling elderly Japanese population

Demura, Shinichi; Sato, Susumu; Yokoya, Tomohisa; Sato, Toshiro

doi:10.1007/s12199-009-0124-7

Environmental Health and Preventive Medicine

Table 3 The result of factor analysis on disease and physical symptoms

From: Examination of useful items for the assessment of fall risk in the community-dwelling elderly Japanese population

Items	Factor analysis							High-fall risk rate
	Factor loading						Communality	Non-faller (%)	Faller (%)	Difference (%)
	F1	F2	F3	F4	F5	F6	Communality	Non-faller (%)	Faller (%)	Difference (%)
Lightheadedness upon standing up^a	0.773	0.018	0.130	−0.019	−0.031	0.055	0.323	19.8	33.1	13.3 ns
Feel dizzy upon standing up^a	0.817	0.070	0.051	−0.010	0.007	0.012	0.354	14.4	26.9	12.5 ns
Feel light in one’s head on standing up too quickly	0.578	0.072	0.158	0.256	0.102	0.028	0.217	12.1	24.0	11.9 ns
Medication (daily)^a	0.012	0.752	0.010	0.089	0.020	0.205	0.316	60.2	68.6	8.4 ns
Circulatory disease^a	0.041	0.796	−0.029	0.170	0.028	−0.048	0.354	37.5	45.7	8.2 ns
Medication (sleeping drugs, blood pressure medications or tranquilizers)	0.060	0.803	0.053	−0.140	0.070	−0.018	0.357	28.7	36.0	7.3 ns
Forgetfulness^a	0.218	−0.005	0.553	0.138	0.197	−0.074	0.130	51.3	67.4	16.1 ns
Hearing disorder^a	0.098	0.062	0.590	0.002	0.045	0.138	0.087	26.0	35.4	9.4 ns
Seeing disorder^a	0.142	0.019	0.696	0.088	0.031	−0.042	0.116	28.0	37.1	9.1 ns
Feel groggy^a	0.296	0.069	−0.130	0.689	0.083	0.027	0.150	3.6	8.6	5.0 ns
Stroke^a	−0.160	0.033	0.243	0.740	−0.028	0.078	0.084	1.4	4.0	2.6 ns
Articular disorder^a	0.106	0.244	0.071	0.092	0.531	−0.136	0.113	21.6	35.4	13.8*
Osteoporosis^a	−0.062	0.024	0.071	−0.012	0.776	−0.004	0.074	13.2	17.7	4.5 ns
Complications from a disease^a	0.136	0.051	0.012	0.117	0.447	0.541	0.096	2.0	10.3	8.3 ns
Diabetes^a	0.012	0.053	0.004	0.031	−0.077	0.847	0.056	8.8	9.7	0.9 ns
Sleep disorder	0.272	0.357	0.209	−0.207	0.304	0.088	0.195	14.4	25.1	10.7 ns
Fainted	0.366	0.034	−0.316	0.265	0.318	−0.175	0.106	1.0	5.1	4.1 ns
Eigenvalue	2.04	2.06	1.42	1.31	1.35	1.15
Accumulative contribution	12.0%	24.1%	32.4%	40.1%	48.1%	54.8%

Values in italics mean representative items of each factor
F1, Dizziness and blackout; F2 medication; F3, sight/hearing and cognition disorder; F4, cerebral vascular disease; F5, arthritic and bone disease; F6, circulatory disease; ns, not significant
*P < 0.05
^aSelected items as useful items

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