Table 1: Distribution of maternal socio-demographic, perinatal, behavioral, and hospital characteristics among delivery-related discharges, by cervical cancer (CCA) diagnosis status, HCUP-NIS, 1998-2009.

Characteristic Na CCA (%) No CCA (%) OR (95% CI)
Overall 47,446,658     n/a
Maternal age (years)
< 20
20 - 24
25 - 29
30 - 34
≥ 35		   5,179,407
11,694,618
12,899,876
11,020,945
6,626,859		   6.43
27.05
32.21
20.74
13.57		   10.92
26.64
27.19
23.23
13.97		   0.50 (0.40-0.61)
0.93 (0.81-1.06)
Reference
0.75 (0.65-0.88)
0.82 (0.70-0.96)
Maternal race
White-NH
Black-NH
Hispanic
Other-NH
Missing/Unknown		   18,951,456
4,670,322
8,203,578
3,599,691
12,021,611		   45.37
9.53
15.60
3.74
25.76		   39.94
9.84
17.29
7.59
25.33		   Reference
0.85 (0.70-1.04)
0.79 (0.63-1.00)
0.43 (0.33-0.57)
0.90 (0.76-1.05)
Tobacco useb 1,610,608 13.29 3.39 4.36 (3.74-5.09)
Alcohol useb 46,113 0.53 0.10 5.51 (2.44-12.46)
Drug useb 486,005 2.72 1.02 2.71 (1.93-3.81)
Hospital region
Northeast
Midwest
South
West		   7,937,070
10,249,569
17,498,148
11,761,871		   13.30
24.86
41.34
20.50		   16.73
21.60
36.88
24.79		   0.96 (0.67-1.37)
1.39 (1.13-1.72)
1.36 (1.10-1.68)
Reference
Hospital location
Rural
Urban		   5,893,039
41,432,694		   15.87
84.13		   12.45
87.55		   Reference
0.75 (0.63-0.91)
Hospital teaching status
Non-teaching
Teaching		   25,549,873
21,775,860		   47.24
52.76		   53.99
46.01		   Reference
1.31 (1.12-1.54)
Hospital Bed size
Small
Medium
Large		   5,324,708
12,660,955
29,340,070		   10.80
25.77
63.43		   11.25
26.75
62.00		   1.00 (0.80-1.24)
Reference
1.06 (0.89-1.27)
Household income
Lowest quartile
2nd quartile
3rd quartile
Highest quartile
Missing/Unknown		   12,143,344
11,981,361
11,419,328
11,092,423
810,202		   34.21
28.58
21.61
13.59
2.01		   25.59
25.25
24.07
23.38
1.71		   2.30 (1.92-2.75)
1.95 (1.64-2.32)
1.54 (1.30-1.84)
Reference
2.03 (1.38-2.97)
Primary payer
Medicare/Medicaid
Private
Other		   18,723,901
25,662,632
3,060,125		   1.61
1.67
0.73		   39.46
54.09
6.45		   1.82 (1.60-2.07)
Reference
1.38 (1.09-1.75)
Clinical comorbidities 1,963,585 5.87 4.14 1.45 (1.19-1.76)
Pregnancy comorbidities 5,663,671 13.91 11.94 1.19 (1.04-1.37)
STD 60,740 0.34 0.13 2.67 (1.67-6.09)
HIV 51,071 0.66 0.11 6.19 (3.55-10.79)
Obesity 626,608 1.50 1.32 1.14 (0.77-1.67)

CCA = cervical cancer, NH = non-Hispanic, OR = odds ratio, CI = confidence interval, STD = sexually transmitted disease, HIV = human immunodeficiency virus, aWeighted to estimate national frequency; sum of all groups may not add up to the total due to missing data, bReference group is represented by the absence of the condition/characteristic.