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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Gynecol Oncol. 2008 Nov 25;112(2):365–369. doi: 10.1016/j.ygyno.2008.10.013

Table 2. Demographics, stage and treatment received by smoking status.

Known Non-smoker # (%) (REF) Known Current Smoker # (%)p-value* Unknown tobacco status # (%)p-value*
N=854 N= 1292 N= 515
Age (mean age, STD) 51.9 ±17.6 49.3 ±14.2 p<0.001 50.8 ±18.1 p=0.24
Ethnicity
 White 764 (89.5%) 1164 (90.1%) 431 (83.7%)
 Non white 90 (10.5%) 128 (9.9%) p=0.64 84 (16.3%) p=0.002
Rural residence
 Metro 429 (50.2%) 717 (55.5%) 267 (51.8%)
 Urban 339 (39.7%) 443 (34.3%) 200 (38.8%)
 Rural 86 (10.1%) 132 (10.2%) 48 (9.3%)
 p for trend p= 0.03 p=0.82
Payor source
 Private Insurance 396 (46.4%) 509 (39.4%) 191 (37.1%)
 Government insurance 338 (39.6%) 586 (45.4%) p=0.002 150 (29.1%) p=0.53
 Unknown 49 (5.7%) 49 (3.8%) p=0.24 149 (28.9%)p<0.001
 No insurance / self pay 71 (8.3%) 148 (11.5%) p= 0.002 25 (4.9%) p=0.20
Cervical cancer cell type
 Squamous 621 (72.7%) 1104 (85.4%) 401 (77.9%)
 Non squamous 233 (27.3%) 188 (14.6%) p<0.001 114 (22.1%) p=0.03
Stage at diagnosis
 Localized 480 (56.2%) 650 (50.3%) 263 (51.1%)
 Regional 243 (28.4%) 462 (35.8%) 101 (19.6%)
 Distant 82 (9.6%) 134 (10.4%) 35 (6.8%)
 Unknown 49 (5.7%) 46 (3.5%) 116 (22.5%)
 p for trend p<0.001 p<0.001
Treatment received (comprehensive)
 No treatment / unknown treatment 49 (5.7%) 49 (3.8%) 133 (25.8%)
 Surgery alone 317 (37.1%) 404 (31.3%) p=0.26 188 (36.5%) p<0.001
 Surgery + other treatment* 188 (22.0%) 274 (21.2%) p=0.09 79 (15.3%)p<0.001
 Other treatment*, no surgery 300 (35.1%) 565 (43.7%) p=0.003 115 (22.3%)p<0.001
*

Chi Square p value, non-tobacco user is the referent.

Rural residence defined using Beale codes: Metro, codes 1-3; Suburban, codes 4-7, Rural, codes 8-9.

REF = Referent group to whom the (a) known current smokers and (b) unknown tobacco status (missing) groups are compared to each demographic or cancer attributes.