Table 2.

Smoking status by patient demographics

	Never smoked	Past smoker	Current smoker
	N = 332 (27%)	N = 615 (51%)	N = 263 (22%)
	% or mean (std)	% or mean (std)	% or mean (std)
Mean age (years)*	58.34 (13.7)	63.16 (10.9)	56.30 (10.0)
Age <50 years†	29	9	22
White	78	80	78
Male	94	97	96
Married‡	58	59	36
Live alone§	21	23	33
Tetraplegia	38	34	40
Incomplete injury¶	55	58	73
Mean duration of injury (years)**	20.39 (13.9)	21.79 (15.6)	18.60 (17.0)
Injury duration (<10 years)	28	32	34

*Never vs. past P < 0.0001; past vs. current P < 0.0001.

^†Never vs. past P < 0.0001; past vs. current P < 0.0001.

^‡Past vs. current P < 0.0001; never vs. current P < 0.0001.

^§Never vs. current P = 0.0014.

^¶Past vs. current P < 0.0001; never vs. current P < 0.0001.

**Past vs. current P = 0.0046.