Table 1.

Unadjusted odds of having a cough duration >14 days from onset (n = 106).

	ORa	95% CI	p-Value
Variable
Demographics and social factors
Sex
Female	1.00	Reference
Male	0.55	(0.19–1.56)	0.260
Race/ethnicity
Otherc	1.00	Reference
White, non-Hispanic	0.95	(0.28–3.22)	0.940
Income
>$75k	1.00	Reference
<$25k	1.45	(0.14–15.16)	0.252
$25k–$49k	0.23*	(0.06–0.94)	0.035
$50k–$74k	0.33	(0.07–1.55)	0.175
Education
College graduate	1.00	Reference
No education	0.24	(0.02–3.19)	0.687
High school graduate	0.23	(0.05–1.08)	0.406
Some college	0.27	(0.07–1.06)	0.550
Current smoker
Never	1.00	Reference
Current	1.30	(0.34–4.96)	0.706
Self-reported signs and symptomsb
Wheezing	3.06*	(1.10–8.45)	0.032
Post-tussive vomiting	1.97	(0.60–6.48)	0.262
Sputum	1.91	(0.69–5.32)	0.216
Paroxysmal cough	1.90	(0.63–5.72)	0.254
Dyspnea	1.47	(0.54–4.00)	0.448
Sneezing	1.38	(0.50–3.80)	0.531
Red or watery eyes	1.34	(0.49–3.63)	0.568
Chills or sweats	1.28	(0.47–3.50)	0.626
Trouble sleeping	0.91	(0.18–4.52)	0.904
Felt warm or feverish	0.54	(0.19–1.56)	0.256
Runny nose	0.35	(0.07–1.63)	0.180
Headache	0.37	(0.08–1.73)	0.207
Clinician recorded signsb
Heart rate (≥100/min)	1.02	(0.26–3.98)	0.974
Chest sounds (any)	0.23*	(0.08–0.67)	0.007
Respiratory rate (≥20/min)	0.22*	(0.07–0.70)	0.010
Temperature (>37.7 °C)	0.21	(0.01–3.50)	0.277
Chest exam
Normal	1.00	Reference
Wheezes	0.55	(0.12–2.45)	0.217
Crackles	0.16	(0.05–0.58)	0.245
Wheezes and crackles	0.07	(0.01–0.50)	0.052
Continuous variables
Heart rate	1.01	(0.98–1.05)	0.507
Age, years	0.99	(0.96–1.02)	0.576
Respiratory rate	0.89	(0.71–1.11)	0.293
Temperature, Celsius	0.64	(0.19–2.14)	0.471

CI = confidence interval.

^aUnadjusted odds ratio: probability modeled patient received a chest x-ray, systemic corticosteroid or cough suppressant.

^bReference value is not having sign or symptom.

^cAfrican-American, Asian, White Hispanic, or Hispanic only (race not selected).

^*Statistically significant p-value <0.05.