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. Author manuscript; available in PMC: 2013 Jan 18.
Published in final edited form as: Obstet Gynecol. 2011 May;117(5):1105–1113. doi: 10.1097/AOG.0b013e31821188ad

Table 3.

Baseline Demographic and Reproductive Characteristics of Users of Long-Acting Reversible Contraceptive and Non--Long-Acting Reversible Contraceptive Methods

Non--Long-Acting
Reversible Contraceptive
Methods (n=1,321)
Long-Acting
Reversible Contraceptive
Methods (n=2,846)
Age (y) 24.1±5.1 25.8±5.9 [lt].001
Race .535
 African American 637 (48.5) 1,330 (46.9)
 White 577 (43.9) 1,297 (45.8)
 Others 100 (7.6) 207 (7.3)
Education .004
 High school diploma or less 404 (30.6) 1,020 (35.9)
 Some college 588 (44.5) 1,184(41.6)
 College degree or graduate school 328 (24.8) 641 (22.5)
Income per month .001
 None 209 (16.5) 477(17.1)
 $1–800 461 (36.3) 847 (30.4)
 $801–1,600 368 (29.0) 857 (30.8)
 $1,601 or more 232 (18.3) 605 (21.7)
Body mass index [lt].001
 Underweight 69 (5.2) 65 (2.3)
 Normal 621 (47.0) 1,043 (36.6)
 Overweight 287 (21.7) 772 (27.1)
 Obese 344 (26.0) 966 (33.9)
Receiving public assistance [lt].001
 No 995 (75.3) 1,790 (62.9)
 Yes 326 (24.7) 1,056 (37.1)
Trouble paying for basic expenses .906
 No 793 (60.0) 1,703 (59.8)
 Yes 528 (40.0) 1,143 (40.2)
Insurance [lt].001
 None 612 (46.9) 1,190 (42.1)
 Private 616 (47.2) 1,249 (44.2)
 Public 78 (6.0) 388 (13.7)
Gravidity [lt].001
 0 553 (41.9) 631 (22.2)
 1 318 (24.1) 589(20.7)
 2 198 (15.0) 559 (19.6)
 3 or higher 252 (19.1) 1,067 (37.5)
Parity [lt].001
 0 864 (65.4) 1,121 (39.4)
 1 249 (18.8) 777(27.3)
 2 137 (10.4) 587 (20.6)
 3 or higher 71 (5.4) 361 (12.7)
Unintended pregnancies [lt].001
 0 601 (45.6) 807 (28.4)
 1 382 (29.0) 777 (27.4)
 2 175 (13.3) 529 (18.6)
 3 or more 159 (12.1) 726 (25.6)
History of abortion .007
 No 838 (63.4) 1,680 (59.0)
 Yes 483 (36.6) 1,166 (41.0)
History of STI .018
 No 838 (63.4) 1,696 (59.6)
 Yes 483 (36.6) 1,150 (40.4)
Any current STI .687
 No 1,235 (93.5) 2,670 (93.8)
 Yes 86 (6.5) 176 (6.2)

STI, sexually transmitted infection.

Data are mean±standard deviation or n (%) unless otherwise specified.