Table 2.

Falls in the Past Year According to Traumatic Brain Injury Severity

	Raw			Adjusted
Falls in Past Year	% With Falls	RR Falls	95% CI	RR Falls	95% CI
Entire cohort
No TBI (n = 85); Ref	14.1	—	—	—	—
Any TBI (n = 78)	25.6	1.82	0.95–3.47	1.70	0.88–3.28
Mild TBI (n = 51)	21.6	1.53	0.73–3.21	1.33	0.60–2.96
Mod/sev TBI (n = 27)	33.3	2.36	1.11–5.00*	2.46	1.12–5.39*
Excluding veterans with first TBI within past 30 years
No TBI (n = 85); Ref	14.1	—	—	—	—
Any TBI (n = 68)	27.9	1.98	1.03–3.79	1.83	0.91–3.67
Mild TBI (n = 45)	24.4	1.73	0.83–3.61	1.46	0.64–3.33
Mod/sev TBI (n = 23)	34.8	2.46	1.14–5.32*	2.67	1.16–6.16*
Excluding veterans with any TBI due to a fall
No TBI (n = 85); Ref	14.1	—	—	—	—
Any TBI (n = 45)	31.1	2.20	1.12–4.35	1.73	0.86–3.47
Mild TBI (n = 31)	29.0	2.06	0.96–4.41	1.56	0.69–3.50
Mod/sev TBI (n = 14)	35.7	2.53	1.05–6.10*	2.15	0.87–5.31

Notes: CI = confidence interval; Mod/sev = moderate/severe; Ref = reference value; RR = risk ratio.

Adjusted model is adjusted for site, age, sex, diabetes, depression, and substance abuse.

*Significant at p < .05.