Table 2:
Multinomial logistic regression of birth, new LARC insertion, and sterilization after LARC discontinuation: Women who discontinued LARC use, 2002–2017, Relative Risk Ratios.
| Live birth | New LARC insertion | Sterilization | |
|---|---|---|---|
| Age at LARC discontinuation | *** | ||
| 15–19 | 1.17 | 0.18* | 0.21 |
| 20–24 | 1.97* | 1.04 | 0.57 |
| 25–29 | 1.70* | 0.56 | 0.52+ |
| 30–34 | 1.00 | 1.00 | 1.00 |
| 35+ | 1.31 | 1.47 | 3.51* |
| Education at LARC discontinuation | |||
| <High School | 1.21 | 0.90 | 0.62 |
| High School | 1.00 | 1.00 | 1.00 |
| Some College | 1.13 | 0.89 | 0.53+ |
| BA+ | 1.43 | 0.58 | 0.60 |
| Race/ethnicity | *** | ||
| White | 1.00 | 1.00 | 1.00 |
| Hispanic | 1.08 | 0.98 | 0.85 |
| Black | 0.69+ | 1.57 | 0.42+ |
| Other | 4.79*** | 8.44*** | 3.34+ |
| Parity at LARC discontinuation | *** | ||
| 0 | 0.43*** | 0.72 | 0.75 |
| 1 | 1.00 | 1.00 | 1.00 |
| 2+ | 0.62** | 0.69 | 2.40* |
| Union status at LARC discontinuation | ** | ||
| Married | 1.00 | 1.00 | 1.00 |
| Cohabiting | 0.67* | 0.76 | 0.53 |
| Single | 0.47*** | 1.09 | 0.60 |
| Duration of LARC use before discontinuation | *** | ||
| 1 year | 2.43*** | 7.96*** | 1.38 |
| 2 years | 1.00 | 1.00 | 1.00 |
| 3 years | 1.46+ | 1.65 | 1.51 |
| 4+ years | 1.53* | 0.66 | 1.51 |
| Time since the year of LARC discontinuation | *** | ||
| 1 years | 0.61** | 1.01 | 2.98* |
| 2 years | 1.00 | 1.00 | 1.00 |
| 3 years | 0.76 | 1.73 | 1.28 |
| 4 or more years | 0.25*** | 0.68 | 1.81 |
| Calendar year of LARC discontinuation | |||
| 2002–2006 | 0.78 | 0.84 | 0.65 |
| 2007–2011 | 1.04 | 1.18 | 1.19 |
| 2012–2017 | 1.00 | 1.00 | 1.00 |
Notes:
+
p < .10,
*
p < .05,
**
p < .01,
***
p < .001.
Symbols opposite of variable names indicate results of Wald test of null hypothesis that the full set of variable coefficients are jointly equal to one.
Sources: 2006–2010, 2011–2013, 2013–2015 and 2015–2017 NSFG cycles, N = 598 person-years, and NLSY97 2002 to 2017 waves, N = 1,189 person-years.