Table 2.
a. Demographic, socioeconomic, and health-related factors, Diagnostic and Screening populations, Houston, TX and Vancouver, BC, 1999-2005.
| Diagnostic Population | Screening Population | Prev. Ratio | p Value | |
|---|---|---|---|---|
|
| ||||
| Race | 850 | 1000 | <0.0001 | |
|
| ||||
| White | 543 (63.9%) | 491 (49.1%) | 1.3 | |
| Black | 94 (11.1%) | 154 (15.4%) | 0.72 | |
| Hispanic | 112 (13.2%) | 276 (27.6%) | 0.48 | |
| Asian | 63 (7.4%) | 67 (6.7%) | 1.11 | |
| Native American | 8 (0.9%) | 3 (0.3%) | 3.14 | |
| Other | 30 (3.5%) | 9 (0.9%) | 3.92 | |
|
| ||||
| Age | 850 | 1000 | <0.0001 | |
|
|
|
|||
| Mean ± Std Dev (Yrs) | 36.6 ± 11.8 | 44.1 ± 12.1 | ||
| Range (Yrs) | 18-85 | 18-80 | ||
|
|
|
|||
| Birthplace | 820 | 999 | <0.0001 | |
|
| ||||
| United States/Canada | 663 (80.9%) | 676 (67.7%) | 1.19 | |
| Mexico | 27 (3.3%) | 74 (7.4%) | 0.44 | |
| Central America | 11 (1.3%) | 33 (3.3%) | 0.41 | |
| South America | 12 (1.5%) | 78 (7.8%) | 0.19 | |
| Puerto Rico | 3 (0.4%) | 6 (0.6%) | 0.61 | |
| Vietnam | 4 (0.5%) | 5 (0.5%) | 0.97 | |
| China | 13 (1.6%) | 11 (1.1%) | 1.44 | |
| Other | 87 (10.6%) | 116 (11.6%) | 0.91 | |
|
| ||||
| Annual Household Income* | 816 | 998 | <0.0001 | |
|
| ||||
| Low ($0-$19,999) | 161 (19.7%) | 177 (17.7%) | 1.11 | |
| Medium ($20,000-$39,999) | 197 (24.1%) | 285 (28.6%) | 0.85 | |
| High (> $40,000) | 352 (43.1%) | 464 (46.5%) | 0.93 | |
| Don’t Know/Refused | 106 (13.0%) | 72 (7.2%) | 1.80 | |
|
| ||||
| Education Level | 844 | 999 | <0.131 | |
|
| ||||
| High School/GED or Less | 239 (28.3%) | 242 (24.2%) | 1.17 | |
| College | 501 (59.4%) | 622 (62.3%) | 0.95 | |
| Graduate School | 104 (12.3%) | 135 (13.5%) | 0.91 | |
|
| ||||
| Employment Status | 834 | 999 | <0.0001 | |
|
| ||||
| Full/Part Time | 565 (67.7%) | 679 (68%) | 1.00 | |
| Unemployed/Retired/Housewife | 185 (22.2%) | 293 (29.3%) | 0.76 | |
| Student | 83 (10.0%) | 25 (2.5%) | 3.98 | |
| Refused | 1 (0.1%) | 2 (0.2%) | 0.60 | |
|
| ||||
| Martial Status | 849 | 1000 | <0.0001 | |
|
| ||||
| Single (Never Married) | 244 (28.7%) | 198 (19.8%) | 1.45 | |
| Married/Married-Like Situation | 410 (48.3%) | 595 (59.5%) | 0.81 | |
| Divorced/Separated | 175 (20.6%) | 181 (18.1%) | 1.14 | |
| Widowed | 18 (2.1%) | 26 (2.6%) | 0.82 | |
| Refused | 2 (0.2%) | 0 (0.0%) | -- | |
|
| ||||
| b. Demographic, socioeconomic, and health-related factors, Diagnostic and Screening populations, Houston, TX and Vancouver, BC, 1999-2005. | ||||
|
| ||||
| Smoking | 848 | 1000 | <0.0001 | |
|
| ||||
| Ever, Yes | 374 (44.0%) | 337 (33.7%) | 1.31 | |
| Ever, No | 473 (55.9%) | 663 (66.3%) | 0.84 | |
| Refused | 1 (0.1%) | 0 (0.0%) | -- | |
|
|
||||
| Length of Time (Yrs) | 371 | 337 | <0.003 | |
|
|
|
|||
| Mean ± Std Dev (Yrs) | 13.44 ± 9.61 | 15.81 ± 11.54 | ||
| Range (Yrs) | 0-57 | 0-51 | ||
|
|
|
|||
| Alcohol Use | 849 | 999 | <0.001 | |
|
| ||||
| Yes | 615 (72.4%) | 645 (64.6%) | 1.12 | |
| No | 234 (27.6%) | 353 (35.3%) | 0.78 | |
| Refused | 0 (0.0%) | 1 (0.1%) | 0.00 | |
|
| ||||
| Genital Infections | 827 | 986 | <0.0001 | |
|
| ||||
| Any, Yes | 277 (33.5%) | 204 (20.7%) | 1.62 | |
| Any, No | 550 (66.5%) | 782 (79.3%) | 0.84 | |
|
| ||||
|
Reproductive History
| ||||
| Status | 850 | 999 | <0.0001 | |
|
| ||||
| Premenopausal | 707 (83.2%) | 568 (56.9%) | 1.46 | |
| Perimenopausal | 24 (2.8%) | 131 (13.1%) | 0.22 | |
| Postmenopausal | 119 (14.0%) | 300 (30.0%) | 0.47 | |
|
|
||||
| Menarche | 847 | 1000 | <0.224 | |
|
|
|
|||
| Mean ± Std Dev (Yrs) | 12.63 ± 1.54 | 12.72 ± 1.62 | ||
| Range (Yrs) | 8-19 | 8-19 | ||
|
|
|
|||
| Parity | 850 | 993 | <0.0001 | |
|
|
|
|||
| Mean ± Std Dev (Yrs) | 1.31 ± 1.42 | 1.67 ± 1.55 | ||
| Range (Yrs) | 0-9 | 0-14 | ||
|
|
||||
| Current Oral Contraceptive Use | 850 | 993 | <0.0001 | |
|
| ||||
| Yes | 214 (25.2%) | 71 (7.2%) | 3.52 | |
| No | 636 (74.8%) | 922 (92.8%) | 0.81 | |
|
|
||||
| Current Condom Use | 824 | 978 | <0.001 | |
|
|
||||
| Yes | 180 (21.8%) | 151 (15.4%) | 0.71 | |
| No | 644 (78.2%) | 827 (84.6%) | 1.08 | |
|
| ||||
|
Sexual History
| ||||
| Age of Sexual Debut | 841 | 987 | <0.0001 | |
|
|
|
|||
| Mean ± Std Dev (Yrs) | 17.47 ± 3.27 | 18.95 ± 3.94 | ||
| Range (Yrs) | 2-32 | 4-50 | ||
|
|
|
|||
| Number of Lifetime Partners | 795 | 955 | <0.122 | |
|
|
|
|||
| Mean ± Std Dev (Yrs) | 9.05 ± 21.74 | 6.91 ± 33.47 | ||
| Range (Yrs) | 0-500 | 0-1000 | ||
*
Stratification into Low, Medium, and High is with respect to the currency of the country where each participant was seen (United States or Canada).