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. Author manuscript; available in PMC: 2013 May 30.
Published in final edited form as: JAMA. 2012 Feb 15;307(7):685–692. doi: 10.1001/jama.2012.138

Table 1.

Baseline Characteristics Of 166 Study Participants With Clinically Diagnosed Acute Sinusitis, By Treatment Group

Variable Intervention Group (n=85) Control Group (n=81) p-Value
Sociodemographic characteristics
Age in years, median (range) 32 (18–69) 31 (18–66) 0.22
Male gender, n (%) 31 (36%) 29 (36%) 0.93
Racial group, n (%)
White 61 (72%) 69 (85%) 0.11
Black 17 (20%) 9 (11%)
Other 7 (8%) 3 (4%)
Hispanic, n (%) 4 (5%) 1 (1%) 0.37
Educational level, n (%)
High school or less 50 (59%) 63 (78%) 0.0158
Bachelors degree 19 (22%) 13 (16%)
Post graduate/professional degree 16 (19%) 5 (6%)
Health insurance, n (%)
Employment-based/Private 56 (66%) 56 (69%) 0.59
Government 9 (11%) 6 (7%)
No insurance 5 (6%) 2 (2%)
Private 15 (18%) 17 (21%)
Lives alone, n (%) 15 (18%) 14 (17%) 0.95
Family income/year
< $10,000 5 (6%) 4 (5%) 0.65
$10,000 – $24,999 11 (13%) 5 (6%)
$25,000 – $49,999 13 (15%) 15 (19%)
$50,000 – $99,999 23 (27%) 28 (35%)
≥ $100,000 20 (24%) 16 (20%)
Declined to answer 13 (15%) 13 (16%)

Number (%) of participants with children at home who are:
< 18 years old 33 (39%) 24 (30%) 0.21
< 2 years old 3 (4%) 5 (6%) 0.49
In daycare 4 (5%) 6 (7%) 0.34
Medical History n (%)
Usual health excellent or very good 41 (48%) 50 (62%) 0.08
History of sinus disease 62 (77%) 60 (82%) 0.39
Allergic rhinitis 27 (32%) 27 (33%) 0.83
Nasal polyps 3 (4%) 0 0.25
History of allergy 14 (16%) 14 (17%) 0.89
Positive test to mold, dust, pollen, or animal dander. 34 (49%) 35 (52%) 0.67
Asthma 9 (11%) 9 (11%) 0.91
COPD 0 0
Using nasal steroids daily 7 (8%) 4 (5%) 0.39
Smoker 11 (13%) 21 (26%) 0.0340
Sinus Symptoms
SNOT-16 score
 Mean, sd 1.71 (0.53) 1.70 (0.51) 0.88
 Median, IQ range 1.75 (1.31 to 2.12) 1.62 (1.38 to 2.06)
Symptom severity
Moderate 41 (48%) 39 (48%) 0.93
Severe 37 (44%) 34 (42%)
Very severe 7 (8%) 8 (10%)
Days of symptoms
 Mean, sd 11.2 (5.7) 11.1 (5.8) 0.87
 Median, IQ range 10.0 (7.0 to 14.0) 10.0 (7.0 to 14.0)
Days missed from work before visit
 Mean, sd 1.1 (2.0) 1.7 (4.1) 0.23
 Median, IQ range 0 (0 to 2.0) 0 (0 to 2.0)
Days unable to do usual non-work activities before visit
 Mean, sd 3.2 (3.6) 3.3 (3.8) 0.88
 Median, IQ range 2.0 (0 to 5.0) 2.0 (0 to 5.0)
Used symptomatic treatment before visit, n (%) 82 (96%) 74(91%) 0.17
Flu shot this winter, n (%) 23 (27%) 26 (32%) 0.48

Abbreviations: IQ range, Interquartile (25% to 75%) range; sd, standard deviation

The SNOT-16 score is the mean of the 16 sinusitis symptom (0=no symptoms, 3=symptoms are a large problem).