Skip to main content

Table 2 Demographics and clinical characteristics of the study cohorts

From: Medicaid spending on contraceptive coverage and pregnancy-related care

 

Index contraceptive

  

Patient characteristics

SARC

LARC

Pregnancy cohort n = 97,972

 

OC n = 115,873

Transdermal n = 11,577

Vaginal ring n = 7,970

Injectable n = 29,817

IUD n = 37,767

Implant n = 6,526

 

Demographics at index date

       

 Age, years, mean (±SD) [Median]

22.7 (7.0) [21]

22.3 (6.4) [21]

24.0 (5.6) [23]

22.6 (7.2) [21]

24.9 (5.6) [24]

21.7 (5.1) [21]

23.3 (6.7) [21]

Age distribution, years, n (%)

       

 14-16 yrs

22,626( 19.5%)

2,145 (18.5%)

378 (4.7%)

6,037 (20.2%)

491 (1.3%)

871 (13.3%)

10,158 (10.4%)

 17-19 yrs

24,784 (21.4%)

2,555 (22.1%)

1,306 (16.4%)

6,332 (21.2%)

4,278 (11.3%)

1,575 (24.1%)

27,917 (28.5%)

 20-24 yrs

30,136 (26.0%)

3,275 (28.3%)

3,110 (39.0%)

8,112 (27.2%)

16,480 (43.6%)

2,559 (39.2%)

24,194 (24.7%)

 25-29 yrs

19,451 (16.8%)

2,039 (17.6%)

1,998 (25.1%)

4,627 (15.5%)

9,748 (25.8%)

1,047 (16.0%)

17,864 (18.2%)

 30-34 yrs

10,162 (8.8%)

926 (8.0%)

765 (9.6%)

2,259 (7.6%)

4,028 (10.7%)

297 (4.6%)

10,205 (10.4%)

 35-39 yrs

5,170 (4.5%)

409 (3.5%)

292 (3.7%)

1,342 (4.5%)

1,856 (4.9%)

130 (2.0%)

5,335 (5.4%)

 40-44 yrs

2,487 (2.1%)

171 (1.5%)

97 (1.2%)

744 (2.5%)

668 (1.8%)

36 (0.6%)

1,903 (1.9%)

 45-49 yrs

1,057 (0.9%)

57 (0.5%)

24 (0.3%)

364 (1.2%)

218 (0.6%)

11 (0.2%)

396 (0.4%)

Region, n (%)

       

 New Jersey

28,532 (24.6%)

3,754 (32.4%)

2,670 (33.5%)

3,976 (13.3%)

3,414 (9.0%)

196 (3.0%)

31,391 (32.0%)

 Florida

21,518 (18.6%)

2,142 (18.5%)

1,507 (18.9%)

3,102 (10.4%)

11,067 (29.3%)

590 (9.0%)

16,138 (16.5%)

 Missouri

40,641 (35.1%)

3,239 (28.0%)

2,347 (29.4%)

7,381 (24.8%)

12,923 (34.2%)

2,912 (44.6%)

22,716 (23.2%)

 Kansas

7,083 (6.1%)

571 (4.9%)

274 (3.4%)

3,022 (10.1%)

2,801 (7.4%)

328 (5.0%)

4,946 (5.0%)

 Iowa

18,099 (15.6%)

1,871 (16.2%)

1,172 (14.7%)

12,336 (41.4%)

7,562 (20.0%)

2,500 (38.3%)

22,781 (23.3%)

Race, n (%)

       

 White

72,948 (63.0%)

5,669 (49.0%)

4,186 (52.5%)

13,168 (44.2%)

22,335 (59.1%)

3,534 (54.2%)

46,802 (47.8%)

 Black

22,065 (19.0%)

3,723 (32.2%)

2,263 (28.4%)

9,532 (32.0%)

5,914 (15.7%)

1,211 (18.6%)

30,324 (31.0%)

 Latin/Hispanic

9,434 (8.1%)

1,077 (9.3%)

735 (9.2%)

1,430 (4.8%)

4,373 (11.6%)

289 (4.4%)

8,704 (8.9%)

 Others/Unknown

11,426 (9.9%)

1,108 (9.6%)

786 (9.9%)

5,687 (19.1%)

5,145 (13.6%)

1,492 (22.9%)

12,142 (12.4%)

Year of index date, n (%)

       

 2005

17,725 (15.3%)

5,209 (45.0%)

702 (8.8%)

4,602 (15.4%)

2,724 (7.2%)

14 (0.2%)

14,641 (14.9%)

 2006

22,251 (19.2%)

2,201 (19.0%)

1,548 (19.4%)

5,977 (20.0%)

4,738 (12.5%)

32 (0.5%)

18,464 (18.8%)

 2007

24,927 (21.5%)

1,529 (13.2%)

1,919 (24.1%)

6,158 (20.7%)

7,790 (20.6%)

696 (10.7%)

20,609 (21.0%)

 2008

27,136 (23.4%)

1,393 (12.0%)

1,934 (24.3%)

6,532 (21.9%)

11,813 (31.3%)

2,186 (33.5%)

24,030 (24.5%)

 2009

16,850 (14.5%)

890 (7.7%)

1,339 (16.8%)

4,750 (15.9%)

7,208 (19.1%)

2,287 (35.0%)

14,335 (14.6%)

 2010

6,984 (6.0%)

355 (3.1%)

528 (6.6%)

1,798 (6.0%)

3,494 (9.3%)

1,311 (20.1%)

5,893 (6.0%)

Charlson comorbidity index 1 , n (%)

       

 0

103,869 (89.6%)

10,576 (91.4%)

7,222 (90.6%)

26,381 (88.5%)

34,189 (90.5%)

6,031 (92.4%)

89,246 (91.1%)

 1

10,013 (8.6%)

832 (7.2%)

656 (8.2%)

2,646 (8.9%)

3,070 (8.1%)

436 (6.7%)

7,054 (7.2%)

 2

1,348(1.2%)

109 (0.9%)

60 (0.8%)

474 (1.6%)

363 (1.0%)

36 (0.6%)

972 (1.0%)

 3

299 (0.3%)

17 (0.1%)

13 (0.2%)

118 (0.4%)

70 (0.2%)

12 (0.2%)

234 (0.2%)

 4

72 (0.1%)

9 (0.1%)

0 (0.0%)

36 (0.1%)

21 (0.1%)

2 (0.0%)

66 (0.1%)

 5 or more

272 (0.2%)

34 (0.3%)

19 (0.2%)

162 (0.5%)

54 (0.1%)

9 (0.1%)

400 (0.4%)

Other comorbidities 1 , n (%)

       

 Cardiovascular diseases

2,737 (2.4%)

215 (1.9%)

179 (2.2%)

823 (2.8%)

1,135 (3.0%)

153 (2.3%)

1,607 (1.6%)

 Hypertension

3,125 (2.7%)

202 (1.7%)

199 (2.5%)

974 (3.3%)

1,246 (3.3%)

134(2.1%)

2,182 (2.2%)

 Diabetes

2,705 (2.3%)

192 (1.7%)

150 (1.9%)

697 (2.3%)

1,037 (2.7%)

97 (1.5%)

1,703 (1.7%)

 Pelvic inflammatory disease

8,851 (7.6%)

945 (8.2%)

843 (10.6%)

2,511 (8.4%)

3,704 (9.8%)

475 (7.3%)

7,350 (7.5%)

 Alcohol

697 (0.6%)

49 (0.4%)

42 (0.5%)

270 (0.9%)

161 (0.4%)

30 (0.5%)

753 (0.8%)

 Smoking

5,630 (4.9%)

539 (4.7%)

546 (6.9%)

2,035 (6.8%)

3,206(8.5%)

549 (8.4%)

2,945(3.0%)

Parous status 2 , n (%)

50,312 (43.4%)

5,072 (43.8%)

4,541 (57.0%)

13,709 (46.0%)

31,802 (84.2%)

4,204 (64.4%)

2,998 (3.1%)

Baseline healthcare payments 1 , dollars, mean (±SD)

      

 Inpatient services

$1,615 (4,453)

$1,411 (4,133)

$1,634 (3,344)

$1,554 (4,482)

$2,648 (3,770)

$1,774 (3,295)

$169 (3,021)

 Outpatient

$1,574 (4,524)

$1,413 (4,279)

$1,106 (2,009)

$1,856 (4,947)

$1,539 (1,796)

$1,469 (1,930)

$872 (2,461)

 Long-term care3 services

$78 (2,919)

$32 (1,810)

$0 (6)

$56 (1,881)

$14 (1,142)

$0 (18)

$29 (1,697)

 Emergency room services

$37 (161)

$36 (138)

$30 (114)

$49 (190)

$34 (126)

$46 (161)

$40 (227)

 Pharmacy

$298 (1,554)

$221 (924)

$181 (919)

$302 (1,409)

$170 (750)

$317 (927)

$204 (1,031)

 Total payments

$3,602 (7,598)

$3,113 (6,951)

$2,951 (4,236)

$3,818 (7,826)

$4,405 (4,560)

$3,606 (4,269)

$1,315 (4,914)

Observation period 4 , days, mean (±SD)

317 (91)

324 (88)

316 (90)

325 (90)

265 (133)

305 (101)

337 (63)

  1. Notes: SARC: short-acting reversible contraceptive; LARC: long-acting reversible contraceptive; OC: oral contraceptive; IUD: intrauterine device.
  2. 1. Based on a period of 180 days prior to index date.
  3. 2. Identified by claims with ICD-9-CM codes for delivery any time prior to the index date. The mother status, available in FL, was also used to identify parous status, as well as the family ID in NJ.
  4. 3. Identified with service claims for long-term care, skilled nursing facility, intermediate care facility, and swing beds.
  5. 4. From the index date to the earliest date between end of eligibility, end of data availability, or 12 months after the index date.