Table 2. RR Associated With Frequency of 2-Year Risk of Falling for Stroke Survivors Interviewed in HRS.

Risk Factor	Age, Gender, and Time From First Stroke Adjusted RR (95% CI), P	Full Model RR (95% CI), P
Age per 5-year increase	1.0 (0.98–1.1), 0.15	1.1 (1.0–1.2), 0.01
Female	1.1 (0.93–1.3), 0.27	1.1 (0.90–1.3), 0.46
Race
White	Reference, P=0.30	Reference, P=0.48
Black	0.84 (0.66–1.1)	0.88 (0.70–1.1)
Other	0.83 (0.47–1.5)	0.87 (0.51–1.5)
Living arrangements
Live with others	Reference, P=0.001	Reference, P=0.002
Live with spouse	1.2 (0.98–1.5)	1.2 (1.0–1.5)
Live alone	0.87 (0.7–1.1)	0.91 (0.75–1.1)
Comorbid conditions*
General health score per unit increase (1–5)	1.1 (1.0–1.2), 0.001	1.0 (0.97–1.1), 0.42
Time from first stroke, per 2-year interval	1.2 (1.1–1.2), <0.0001	1.1 (1.1–1.2), <0.0001
Past injury from fall	0.97 (0.86–1.1), 0.60	0.82 (0.73–0.92), 0.002
Psychiatric problems	1.7 (1.5–2.0), <0.0001	1.6 (1.4–1.8), <0.0001
Memory problems	1.2 (0.96–1.4), 0.13	1.1 (0.93–1.4), 0.22
Urinary incontinence	1.4 (1.2–1.5), <0.0001	1.3 (1.1–1.4), <0.0001
Impaired vision	0.97 (0.84–1.1), 0.71	0.97 (0.84–1.1), 0.73
Impaired hearing	1.1 (0.9–1.2), 0.50	0.93 (0.81–1.1), 0.34
Pain	1.4 (1.3–1.6), <0.0001	1.2 (1.1–1.4), 0.0003
Motor impairment per unit increase (0–4)	1.2 (1.1–1.2), <0.0001	1.1 (1.1–1.2), <0.0001
Multiple strokes	1.0 (0.82–1.2), 0.99	0.91 (0.75–1.1), 0.34
Past frequency of falling
0	Reference, P<0.0001	Reference, P<0.0001
1–2	1.3 (1.2–1.5)	1.3 (1.2–1.5)
≥3	1.2 (1.1–1.3)	1.1 (0.98–1.3)

^*Comorbid conditions are assessed for the past 2 years for each interview wave.