Table 1:
Participant characteristics among women initiating a copper intrauterine device 6–14 days after unprotected sex (N=134)
| Age (years) | |
| 18–19 | 111 (83%) |
| 20–24 | 13 (10%) |
| 25+ | 10 (7%) |
| Race/Ethnicity | |
| White | 81 (60%) |
| Hispanic | 27 (20%) |
| Other | 26 (19%) |
| Previously pregnant | 83 (62%) |
| Relationship status* | |
| Single | 63 (48%) |
| Married/Cohabitating | 69 (52%) |
| Education | |
| High school or less | 57 (43%) |
| College, vocational training | 75 (57%) |
| BMI (kg/m2)* | |
| Underweight (<18.5) | 2 (3%) |
| Normal (18.5–24.9) | 26 (39%) |
| Overweight (25–29.9) | 17 (26%) |
| Obese (≥30) | 21 (32%) |
| Cycle length 25–35 days | 109 (81%) |
| Menstrual cycle day | 18.5 (9–25) |
| UPI in fertile window** | 59 (44%) |
| UPI episodes 6–14 days | 2.4 ±2.0 |
Data are presented as n(%), mean ± standard deviation, or median (interquartile range)
*
Variables with missing data
**
Fertile window is the set of 5 days prior to and one day after calculated ovulation date [6]
BMI – body mass index
UPI – unprotected intercourse