Skip to main content
. Author manuscript; available in PMC: 2017 Aug 11.
Published in final edited form as: Otolaryngol Head Neck Surg. 2012 Aug 8;147(6):1083–1092. doi: 10.1177/0194599812457324

Table 1.

Study Population: Demographics

Categorical Data Items Community, No. (%) Academic, No. (%) P Valuea
Total 145 210
Sex 1.000
 Male 102 (70.3) 147 (70.0)
 Female 43 (29.7) 63 (30.0)
Smoker .017b
 Never or former 78 (53.8) 136 (64.8)
 Current 63 (43.4) 63 (30.0)
 Unknown 4 (2.8) 11 (5.2)
Comorbidities
 Diabetes .220
  Yes 14 (9.7) 12 (5.7)
  No 130 (89.7) 187 (89.0)
  Unknown 1 (0.7) 11 (5.2)
 Heart disease .149
  Yes 24 (16.6) 22 (10.5)
  No 120 (82.8) 178 (84.8)
  Unknown 1 (0.7) 10 (4.8)
 Stroke 1.000
  Yes 2 (1.4) 2 (1.0)
  No 142 (97.9) 198 (94.3)
  Unknown 1 (0.7) 10 (4.8)
 Lung disease .068
  Yes 24 (16.6) 19 (9.0)
  No 120 (82.8) 181 (86.2)
  Unknown 1 (0.7) 10 (4.8)
 Arthritis .400
  Yes 20 (13.8) 21 (10.0)
  No 124 (85.5) 179 (85.2)
  Unknown 1 (0.7) 10 (4.8)
 Psychiatric disease .614
  Yes 19 (13.1) 22 (10.5)
  No 125 (86.2) 177 (84.3)
  Unknown 1 (0.7) 11 (5.2)
Marital status at diagnosis .363
 Married 83 (57.2) 135 (64.3)
 Not married 55 (38.0) 72 (34.3)
 Unknown 7 (4.8) 3 (1.4)
Work status at diagnosis .154
 Employed 66 (45.5) 119 (56.6)
 Not employed 42 (29.0) 52 (24.8)
 Unknown 37 (25.5) 39 (18.6)
Insurance .350
 No insurance 1 (0.7) 0
 Private 71 (49.0) 116 (55.2)
 Medicare/Medicaid 55 (37.9) 68 (32.4)
 Other government insurance 2 (1.4) 5 (2.4)
 Other 0 0
 Unknown 16 (11.0) 21 (10.0)
Rural/urban (code = 1) 80/145 (55.2) 170/210 (81.0) <.001b

Ordered or Continuous Data Items Community, Median (Min/Max) Academic, Median (Min/Max) P Valuec

Age at diagnosis, y 58 (21/92) 56 (19/90) .043b
 Unknown, No. (%) 1 (0.7) 0
Drinker .549
 Never 36 (24.8) 45 (21.4)
 Former 37 (25.5) 53 (25.2)
 Current 67 (46.2) 100 (47.6)
 Unknown 5 (3.4) 12 (5.7)
Days between first and last visit 646 (25/2711) 1020 (60/6895) <.001b
Distance from home, miles 34 (2/349) 16 (1/1499) <.001b
Income, $ $45,147 (24,028/95,372) $54,358 (20,330/100,270) .001b
Unknown, No. (%) 0 1 (0.5)
a

The P value was derived from the χ2 or the Fisher exact test.

b

Indicates statistical significance with a P <.05.

c

The P value was derived from the Wilcoxon rank sum test.