Table 1.

Characteristics of oropharyngeal cancer patients and matched controls

CharacteristicCasesControlsP
Number of patients467467
Age, mean (SD), years54.62 (7.38)54.26 (7.47)0.459
Sex, N (%)
 Male382 (81.80)382 (81.80)Matched
 Female85 (18.20)85 (18.20)
Follow-up, mean (SD), years1.51 (0.80)1.73 (0.91)<0.001
Employee classification, N (%)
 Salary78 (16.70)125 (26.77)<0.001
 Hourly97 (20.77)113 (24.2)
 Other29 (6.21)38 (8.14)
 Missing/unknown263 (56.32)191 (40.9)
Union/nonunion, N (%)
 Union39 (8.35)52 (11.13)<0.001
 Nonunion138 (29.55)171 (36.62)
 Other27 (5.78)53 (11.35)
 Missing/unknown263 (56.32)191 (40.9)
Employment status, N (%)<0.001
 Active full time177 (37.90)267 (57.17)
 Active part time or seasonal3 (0.64)5 (1.07)
 Retired39 (8.35)42 (8.99)
 COBRA(continue)/long-term disability/surviving spouse/dependent6 (1.28)1 (0.21)
 Other/unknown242 (51.82)152 (32.55)
Plan type, N (%)0.571
 Comprehensive9 (1.93)13 (2.78)
 EPO/missing22 (4.71)15 (3.21)
 HMO/POS/POS with capitation68 (14.56)78 (16.70)
 PPO338 (72.38)329 (70.45)
 CDHP/HDHP30 (6.42)32 (6.85)
Region, N (%)0.481
 Southeast219 (46.90)230 (49.25)
 Northeast201 (43.04)200 (42.83)
 West47 (10.06)37 (7.92)
CCI, mean (SD)a0.49 (1.00)0.45 (0.96)0.594
PDGs, mean (SD)a,b0.09 (0.30)0.07 (0.28)0.373
Healthcare cost for 3 months before OPC diagnosis, mean (SD), USDc3,205 (9,748)2,220 (10,254)0.133
  • Abbreviations: CDHP, consumer-driven health plan; COBRA, Consolidated Omnibus Budget Reconciliation Act; EPO, exclusive provider organization; HDHP, high-deductible health plan; HMO, health maintenance organization; OPC, oropharyngeal cancer; POS, point of service plan; PPO, preferred provider organization; USD, United States dollars.

  • aMeasured 6 months before the index date.

  • bThe score indicated the average number of mental psychiatric diagnostic disease groupings among our case and control group.

  • cThe cost incurred during the 3 months immediately prior to the index diagnosis date was excluded to avoid including the cost of treating symptoms of an undiagnosed cancer.