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. 2018 Nov 7;13(11):e0199724. doi: 10.1371/journal.pone.0199724

Table 1. Sample summary statistics (N = 77).

Highest level of education N %
 Completed high school or GED 13 17%
 Currently in college 28 36%
 Graduated from college 26 34%
 Education beyond college 10 13%
Annual household income
 Less than $12,000 24 31%
 $12,000-$23,999 15 19%
 $24,000-$35,999 16 21%
 $36,000-$47,999 5 6%
 $48,000-$60,000 9 12%
 More than $60,000 8 10%
Insurance status
 No insurance 11 14%
 Private insurance 62 82%
 Medicaid 1 1%
 Don't know 2 3%
Insurance covers birth control
 Yes 29 48%
 No 6 10%
 Don't know 25 42%
Marital status
 Single, never married 48 62%
 Single, living with partner 12 16%
 Married 10 13%
 Divorced 5 6%
 Separated 2 3%
BMI
 Underweight 3 4%
 Normal 50 65%
 Overweight 14 18%
 Obese 10 13%
Ever Used Hormonal BC 57 74%
Ever Used Cu IUD 2 3%
Mean period duration in 3 months prior to IUD insertion
 3 to 4 days 38 49%
 5 to 7 days 39 51%
Age (mean and SD) 25.4 (x¯) 5.20 (σ)

Note: GED-General Equivalency Diploma; BC-birth control; IUD—intrauterine device