| |
Total
|
Did not complete study
|
Relative Risk (95% confidence interval)
|
|---|
| |
N
|
n
|
%
| |
|---|
|
Age
| | | | |
|
≤25 years
|
660
|
317
|
48.0
|
1.29 (1.15 – 1.45)
|
|
> 25 years
|
854
|
318
|
37.2
|
1
|
|
Relationship
| | | | |
|
single not living with partner
|
522
|
247
|
47.3
|
1.21 (1.07 – 1.36)
|
|
married or living with partner
|
992
|
388
|
39.1
|
1
|
|
Living children
| | | | |
|
None
|
639
|
288
|
45.1
|
1.14 (1.0 1 – 1.28)
|
|
Any
|
875
|
347
|
39.7
|
1
|
|
Baseline coital frequency
| | | | |
|
≥8 acts per month
|
862
|
389
|
45.1
|
1.21 (1.07 – 1.37)
|
|
≤7 acts per month
|
640
|
239
|
37.3
|
1
|
|
Geographic region of US
| | | | |
|
West
|
424
|
215
|
50.7
|
1.28 (1.12 – 1.46)
|
|
South
|
460
|
170
|
37.0
|
0.93 (0.80 – 1.09)
|
|
Northeast
|
630
|
250
|
39.7
|
1
|
|
Center type
| | | | |
|
university*
|
1069
|
476
|
44.5
|
1.25 (1.08 – 1.44)
|
|
other
|
445
|
159
|
35.7
|
1
|
|
Recruitment rate at study site
| | | | |
|
≤4 per month
|
640
|
301
|
47.0
|
1.23 (1.09 – 1.38)
|
|
> 4 per month
|
874
|
334
|
38.2
|
1
|
|
Reimbursement rate
| | | | |
|
≤$200
|
462
|
232
|
50.2
|
1.31 (1.16 – 1.47)
|
|
>$200
|
1052
|
403
|
38.3
|
1
|
|
Participation in colposcopy study
| | | | |
|
No
|
1381
|
590
|
42.7
|
1.26 (0.99, 1.61)†
|
|
Yes
|
133
|
45
|
33.8
|
1
|
- *University centers were defined as those at which participants were seen in a primary university clinic setting. These included: University of Alabama at Birmingham, Birmingham, AL; University of Tennessee at Memphis, Memphis, TN; The University of Texas Health Science Center at San Antonio, San Antonio, TX; Baylor College of Medicine, Houston, TX; Medical University of South Carolina, Charleston, SC; University of Pittsburgh and the Magee-Womens Research Institute, Pittsburgh, PA; University of Pennsylvania Medical Center, Philadelphia, PA; University of Arizona Health Sciences Center, Tucson, AZ; NYU School of Medicine, New York, NY. Other centers included: Johns Hopkins Medical Services Corporation, Baltimore, MD; Vermont Women's Choice Program of Planned Parenthood, Burlington, VT; Eastern Virginia Medical School, Norfolk, VA; Minneapolis Medical Research Foundation, Minneapolis, MN; Planned Parenthood of Central and Northern Arizona, Phoenix, AZ
-
†Although this confidence limit includes 1, the p-value for the association between this factor and early withdrawal was 0.047.
