Table 1.
Characteristic | Cases ( n = 173) | Controls ( n = 563) | P-value |
---|---|---|---|
Age in years, mean ± SD |
37.0 ± 11.0 |
43.5 ± 11.8 |
<0.001 |
Race/ethnicity, n (%) |
|
|
|
Non-Hispanic White |
90 (52.0) |
296 (52.6) |
0.180 |
Non-Hispanic Black |
36 (20.8) |
85 (15.1) |
|
Hispanic |
39 (22.5) |
137 (24.3) |
|
Other |
8 (4.6) |
45 (8.0) |
|
Education in years, mean ± SD |
13.1 ± 1.98 |
13.4 ± 3.57 |
0.376 |
Marital status, n (%) |
|
|
|
Never |
45 (26.0) |
102 (18.2) |
0.038 |
Married/partnered |
85 (49.1) |
331 (58.9) |
|
Divorced/widowed/separated |
43 (24.9) |
129 (23.0) |
|
Smoking status, n (%) |
|
|
|
Never |
108 (62.4) |
389 (69.1) |
0.101 |
Ever |
65 (37.6) |
174 (30.9) |
|
HPV status, n (%) |
|
|
|
Positive |
129 (74.6) |
408 (72.5) |
0.587 |
Negative |
44 (25.4) |
155 (27.5) |
|
Histology, n (%) |
|
|
|
CIN I (mild dysplasia) |
141 (81.5) |
|
|
CIN II (moderate dysplasia) |
19 (11.0) |
|
|
CIN III (severe dysplasia) |
13 (7.5) |
|
|
Clinic, n (%) |
|
|
|
MD Anderson Cancer Center |
141 (81.0) |
481 (85.4) |
0.153 |
Lyndon B. Johnson General Hospital | 33 (19.0) | 82 (18.6) |
Abbreviations: SD, standard deviation; HPV, human papillomavirus; CIN, cervical intraepithelial neoplasia.