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Table 3 Factors associated with method selection in simultaneous multiple regression models

From: Does access to no-cost contraception change method selection among individuals who report difficulty paying for health-related care?

  Implant Copper IUD Hormonal IUD Contraceptive Pills Injectable Vaginal Ring
aOR [95% CI] aOR [95% CI] aOR [95% CI] aOR [95% CI] aOR [95% CI] aOR [95% CI]
Study period
Control (Referent)      
Intervention 6.00 [2.72, 13.24]*** 2.02 [0.98, 4.14] 3.15 [1.68, 5.90]*** 0.43 [0.29, 0.63]*** 0.47 [0.30, 0.75]** 1.40 [0.62, 3.19]
Enrollment Sitea
 Clinic 1 (Referent)      
 Clinic 2 1.32 [0.88, 1.99] 0.68 [0.42, 1.10] 0.74 [0.50, 1.11] 0.94 [0.66, 1.34] 1.71 [1.06, 2.76]* 0.98 [0.49, 1.96]
 Clinic 3 0.92 [0.57, 1.49] 0.62 [0.35, 1.11] 1.02 [0.66, 1.58] 0.88 [0.59, 1.32] 1.29 [0.74, 2.25] 2.51 [1.29, 4.90]**
Race & Ethnicity
 Latine (with any other race) (Referent)      
 Non-White, Other, non-Latine 0.56 [0.31, 1.01] 1.39 [0.69, 2.81] 1.15 [0.59, 2.23] 0.84 [0.49, 1.46] 1.70 [0.85, 3.40] 1.42 [0.62, 3.24]
 White, Non-Latine 0.50 [0.33, 0.76]*** 0.93 [0.53, 1.61] 1.86 [1.16, 2.98]** 1.09 [0.74, 1.60] 1.51 [0.90, 2.56] 0.65 [0.33, 1.26]
Education level
 High school or less (Referent)      
 Any college 0.91 [0.61, 1.34] 0.98 [0.61, 1.56] 1.26 [0.86, 1.83] 1.26 [0.90, 1.75] 0.70 [0.46, 1.08] 0.85 [0.47, 1.54]
Employment status
Full- or part-time (Referent)      
 Student 0.98 [0.57, 1.68] 0.81 [0.42, 1.58] 1.27 [0.77, 2.09] 0.93 [0.58, 1.47] 0.91 [0.48, 1.76] 1.32 [0.60, 2.86]
 Out of Workforceb 0.90 [0.40, 2.00] 1.46 [0.67, 3.19] 0.49 [0.20, 1.16] 0.78 [0.39, 1.58] 1.61 [0.77, 3.39] 1.21 [0.39, 3.74]
 Unemployed 1.17 [0.74, 1.85] 0.55 [0.29, 1.05] 0.85 [0.53, 1.37] 1.13 [0.76, 1.69] 1.26 [0.77, 2.08] 1.00 [0.48, 2.10]
Insurance type
 Private (Referent)      
 Medicaid or Medicare 1.34 [0.53, 3.40] 0.86 [0.26, 2.90] 0.59 [0.19, 1.87] 1.55 [0.59, 4.05] 1.09 [0.41, 2.92] 1.00 [1.00, 1.00]
 None 0.71 [0.47, 1.08] 0.75 [0.45, 1.24] 0.90 [0.61, 1.35] 2.19 [1.48, 3.25]*** 0.70 [0.44, 1.14] 0.93 [0.50, 1.75]
Federal poverty level (FPL)
 Up to 138% (Referent)      
 138% and greater 1.15 [0.76, 1.72] 0.58 [0.34, 0.99]* 1.37 [0.94, 2.00] 1.11 [0.78, 1.57] 0.53 [0.32, 0.87]* 1.53 [0.85, 2.75]
Parity
 Nulliparous (Referent)      
 Parous 1.18 [0.74, 1.88] 0.97 [0.55, 1.73] 1.49 [0.95, 2.34] 0.74 [0.49, 1.13] 0.99 [0.59, 1.65] 0.93 [0.46, 1.88]
Ever-use of LARC
 No (Referent)      
 Yes 1.02 [0.68, 1.53] 1.50 [0.93, 2.41] 1.70 [1.17, 2.48]** 0.62* [0.43, 0.89] 0.49 [0.30, 0.80]** 0.92 [0.49, 1.71]
Age category
 18–19 (Referent)      
 20–24 1.15 [0.67, 1.95] 1.06 [0.52, 2.16] 0.96 [0.55, 1.68] 1.17 [0.73, 1.87] 1.00 [0.54, 1.88] 1.05 [0.42, 2.62]
 25–29 0.97 [0.53, 1.77] 1.35 [0.62, 2.95] 0.75 [0.41, 1.40] 0.96 [0.57, 1.64] 1.49 [0.75, 2.99] 1.68 [0.64, 4.42]
 30–34 0.50 [0.21, 1.18] 1.60 [0.63, 4.03] 0.91 [0.43, 1.93] 0.88 [0.45, 1.74] 1.88 [0.83, 4.26] 1.62 [0.49, 5.31]
 35 +  0.41 [0.16, 1.05] 0.96 [0.32, 2.85] 1.43 [0.64, 3.17] 1.21 [0.57, 2.60] 1.53 [0.60, 3.92] 1.61 [0.41, 6.38]
History of abortion
No (Referent)      
Yes 0.69 [0.39, 1.23] 1.22 [0.68, 2.18] 1.12 [0.69, 1.83] 0.80 [0.50, 1.27] 1.30 [0.77, 2.21] 1.36 [0.65, 2.84]
  1. Exponentiated coefficients; 95% confidence intervals in brackets
  2. *p < 0.05, **p < 0.01, ***p < 0.001
  3. aClinic 1 represents PPAU’s Salt Lake location, 2 is the West Valley City clinic, 3 is the South Jordan clinic
  4. bIncludes participants who reported they are on leave, retired, homemakers, or “other”