Table 2 .

Logistic regression models of self-reported chest illness in the past 3 years (N = 430)

Variable	OR†	aOR‡	95% CI‡	P value‡
Female	1.93	2.21	1.04–4.71	0.040
Nonwhite	0.71	0.80	0.34–1.84	0.591
Age	1.01	1.01	0.99–1.02	0.281
Job status
Employed/student	0.95	1.04	0.67–1.60	0.869
Unemployed/retired	Ref
Years post injury	1.01	1.01	1.00–1.03	0.127
Level of injury
Cervical complete and AIS C	1.04	1.17	0.68–2.01	0.896
Non-cervical complete and AIS C	0.68	0.76	0.46–1.24	0.265
AIS D	Ref
BMI
Underweight (<18.5)	1.60	1.68	0.55–5.13	0.368
Normal (≥18.5 to <25.0)	Ref
Overweight (≥25.0 to <30.0)	0.83	0.85	0.51–1.40	0.143
Obese (≥30.0)	1.24	1.24	0.74–2.06	0.737
Smoking status
Never smoker	Ref
Ex-smoker	1.38	–	0.87–2.17	0.167
Current smoker packs per day	2.35*	–	1.39–3.97	0.002
COPD	4.14*	3.81	1.95–7.41	<0.001
Asthma	2.68*	2.78	1.50–5.18	0.001
Obstructive lung disease	3.16*	3.03	1.79–5.11	<0.001
Hypertension	1.04	1.09	0.70–1.68	0.710
Diabetes	1.20	1.20	0.64–2.23	0.577
Heart disease in past 10 years	2.43*	2.45	1.31–4.57	0.005
Chronic cough	1.77*	1.45	0.86–2.46	0.166
Chronic phlegm	2.19*	1.87	1.13–3.07	0.014
Any wheeze	4.28*	3.95	2.49–6.25	<0.001
FEV1/FVC	0.29	0.67	0.08–5.92	0.719
FEV1/FVC ≤0.7	1.08	0.92	0.53–1.60	0.773
% Predicted FEV1	0.99	0.99	0.98–1.00	0.088
% Predicted FEV1 in quartiles				0.212
Quartile 1 – (28–61%)	1.34	1.32	0.74–2.34
Quartile 2 – (61–78%)	1.30	1.29	0.72–2.29
Quartile 3 – (78–90%)	0.77	0.75	0.41–1.37
Quartile 4 – (90–132%)	Ref
% Predicted FVC	0.99	0.99	0.98–1.00	0.105
% Predicted FVC in quartiles				0.162
Quartile 1 – (25–61%)	1.27	1.44	0.81–2.55
Quartile 2 – (61–78%)	0.97	1.02	0.57–1.82
Quartile 3 – (78–89%)	0.64	0.73	0.40–1.34
Quartile 4 – (89–124%)	Ref

^†Crude odds ratio.

^‡Odds ratio adjusted for smoking status (never smoker, ex-smoker, current smoker packs per day).

*P < 0.05 for the crude odds ratio.

Ref, reference group.