Table 2

Demographic characteristics of women participating in the Bioceptive suction cervical retractor (SCR) study

VariableStage 2Stage 3p value†
(n=10)Intervention*Control*
(n=11)(n=13)
Average age (years)30.5 (SD 6.7)31.1 (SD 8.3)26.8 (SD 4.0)0.327
Race/ethnicity
 Non-white4 (40.0%)4 (36.4%)2 (15.4%)0.192
 White6 (60.0%)7 (63.6%)11 (84.6%)
Marital status
 Married1 (10.0%)3 (27.3%)1 (7.7%)0.357
 Not married9 (90.0%)8 (72.7%)12 (92.3%)
Education
 High school/GED3 (33.3%)4 (36.4%)4 (30.8%)0.861
 Some college3 (33.3%)5 (45.4%)5 (38.4%)
 College graduate3 (33.3%)2 (18.2%)4 (30.8%)
Body mass index (kg m-2)
 <18.50 (0.0%)0 (0.0%)0 (0.0%)0.581
 18.5–24.95 (50.0%)7 (63.6%)6 (46.2%)
 25.0–29.93 (30.0%)4 (36.4%)5 (38.4%)
 30+2 (25.0%)0 (0%)2 (15.4%)
Gravidity
 Nulligravid2 (20.0%)4 (36.4%)7 (53.8%)0.444
 Primi/multigravida8 (80.0%)7 (63.6%)6 (46.2%)
  • *Intervention: women randomised to receive their intrauterine device (IUD) using the Bioreceptive SCR device. Control: women who received their IUD using the single-tooth tenaculum.

  • †p values are output from either Wilcoxon rank sum tests (continuous variables) or Fischer’s exact tests (categorical variables).

  • GED,General Education Development.