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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Contraception. 2018 Mar 27;97(6):552–558. doi: 10.1016/j.contraception.2018.03.031

Table 4.

Among women at risk of unintended pregnancy, unadjusted and adjusted odds ratios of using female sterilization, the pill, and not using: 2011-2015 NSFG (odds ratios in bold are statistically significant at p<0.05 or better)

Female Sterilization Pill Not using (“no method”)
Total N 7,505 7,505 7,505
OR aOR* OR aOR* OR aOR*
DISABILITY STATUS
Reference: no disability
Cognitive disability only 1.27 (0.96-1.69) 1.54 (1.12-2.12) 0.73 (0.50-1.07) 0.67 (0.44-1.01) 1.93 (1.40-2.66) 1.90 (1.36-2.66)
Physical disability only 1.96 (1.44-2.67) 1.59 (1.08-2.34) 0.45 (0.32-0.63) 0.57 (0.40-0.82) 1.28 (0.85-1.93) 1.26 (0.83-1.90)
Both disabilities 2.84 (2.04-3.97) 2.67 (1.71-4.16) 0.33 (0.18-0.60) 0.37 (0.21-0.66) 1.40 (0.90-2.18) 1.45 (0.91-2.32)
AGE
Reference: 25-34
15-24 years 0.05 (0.03-0.08) 0.14 (0.09-0.22) 2.35 (1.97-2.82) 1.23 (1.00-1.52) 1.24 (1.01-1.53) 0.87 (0.70-1.08)
35-44 years 2.72 (2.25-3.31) 2.28 (1.80-2.89) 0.44 (0.34-0.56) 0.62 (0.48-0.80) 0.89 (0.69-1.14) 1.16 (0.87-1.55)
PARITY
Reference: 1 birth
No births 0.18 (0.12-0.27) 0.40 (0.22-0.73) 3.40 (2.71-4.26) 1.64 (1.08-2.49) 0.86 (0.68-1.08) 0.87 (0.57-1.31)
2 births or more 8.73 (6.67-11.42) 6.35 (4.81-8.39) 0.38 (0.29-0.49) 0.43 (0.32-0.58) 0.45 (0.34-0.60) 0.43 (0.31-0.59)
Ever had unintended pregnancy
ref: Ever pregnant, never had unintended pregnancy
Never pregnant 0.04 (0.02-0.06) 1.13 (0.52-2.42) 5.99 (4.73-7.59) 1.70 (1.08-2.67) 1.23 (0.97-1.57) 1.00 (0.63-1.59)
Ever pregnant, at least 1 unintended pregnancy 2.04 (1.69-2.46) 2.26 (1.80-2.83) 0.91 (0.72-1.16) 0.95 (0.73-1.24) 0.71 (0.56-0.90) 0.61 (0.47-0.80)
RACE & ORIGIN
reference: NH White
NH Black 1.54 (1.23-1.93) 1.36 (1.05-1.76) 0.56 (0.45-0.70) 0.65 (0.51-0.81) 1.54 (1.22-1.94) 1.61 (1.26-2.05)
Hispanic 1.39 (1.10-1.77) 0.93 (0.72-1.20) 0.50 (0.39-0.65) 0.70 (0.53-0.91) 1.52 (1.20-1.94) 1.63 (1.26-2.11)
Other 0.73 (0.47-1.14) 0.75 (0.46-1.23) 0.64 (0.42-0.96) 0.59 (0.40-0.87) 1.26 (0.93-1.71) 1.26 (0.93-1.71)
INSURANCE COVERAGE
Reference: private insurance
Govt plan 1.80 (1.50-2.16) 1.57 (1.25-1.97) 0.49 (0.40-0.59) 0.65 (0.53-0.80) 1.50 (1.17-1.91) 1.56 (1.18-2.06)
No insurance 1.72 (1.38-2.15) 1.52 (1.18-1.95) 0.35 (0.28-0.43) 0.42 (0.34-0.53) 1.48 (1.12-1.94) 1.47 (1.10-1.97)
*

Adjusted models include disability status, age, parity, ever had an unintended pregnancy, race/origin, and insurance coverage.