Table 3 Post-hoc analysis of other demographic and clinical characteristics across clusters

Sociodemographic

Age, mean (SD), year

35.01 (4.73)

33.78 (4.29)

32.68 (4.66)

< 0.001

Average Poverty Rate, mean (SD), %

1.35 (1.83)

1.42 (1.87)

2.07 (2.61)

< 0.001

Cesarean Section, no. (%)

Yes

510 (26.37)

833 (20.17)

535 (18.54)

< 0.001

No

1424 (73.63)

3296 (79.83)

2351 (81.46)

Insurance, no. (%)

Commercial

1603 (82.89)

3492 (84.57)

2424 (83.99)

0.45

Medicaid

283 (14.63)

552 (13.37)

391 (13.55)

Other (Medicare, Self-pay, Unknown)

48 (2.48)

85 (2.06)

71 (2.46)

Other Medication Prescriptions

Other Analgesics and Antipyretics, no. (%)

324 (16.75)

534 (12.93)

324 (11.23)

< 0.001

Opioids, no. (%)

285 (14.74)

323 (7.82)

243 (8.42)

< 0.001

Thyroid Preparations, no. (%)

291 (15.05)

273 (6.61)

84 (2.91)

< 0.001

Drugs for Functional Gastrointestinal Disorders, no. (%)

171 (8.84)

235 (5.69)

150 (5.2)

< 0.001

Antiemetics and Antinauseants, no. (%)

170 (8.79)

242 (5.86)

145 (5.02)

< 0.001

Other Plain Vitamin Preparations, no. (%)

172 (8.89)

252 (6.10)

83 (2.88)

< 0.001

Beta-lactam Antibacterials, Penicillins, no. (%)

175 (9.05)

245 (5.93)

81 (2.81)

< 0.001

Progestogens, no. (%)

284 (14.68)

156 (3.78)

42 (1.46)

< 0.001

Other Clinical Characteristics

Normal Delivery, no. (%)

1435 (74.2)

3346 (81.04)

2310 (80.04)

< 0.001

Complication Occurring During Pregnancy, no. (%)

887 (45.86)

1439 (34.85)

605 (20.96)

< 0.001

Unplanned Pregnancy, no. (%)

641 (33.14)

1178 (28.53)

742 (25.71)

< 0.001

Post-term Pregnancy, no. (%)

465 (24.04)

1116 (27.03)

532 (18.43)

< 0.001

Elderly Primigravida, no. (%)

674 (34.85)

935 (22.64)

360 (12.47)

< 0.001

High Risk Pregnancy, no. (%)

536 (27.71)

662 (16.03)

297 (10.29)

< 0.001

Abnormal Glucose Level, no. (%)

479 (24.77)

757 (18.33)

163 (5.65)

< 0.001

Advanced Maternal Age Gravida, no. (%)

416 (21.51)

675 (16.35)

222 (7.69)

< 0.001

Disorder of Pregnancy, no. (%)

342 (17.68)

499 (12.09)

276 (9.56)

< 0.001

Pre-pregnancy BMI, mean (SD), kg/m²

24.24 (5.19)

23.55 (4.32)

23.77 (3.54)

< 0.001

Gestational Week, mean (SD), week

38.58 (2.12)

38.83 (1.92)

38.55 (2.26)

< 0.001

Post-delivery ED visits (within 6-months), mean (SD)

0.10 (0.37)

0.06 (0.29)

0.05 (0.28)

< 0.001

Postpartum Depression

Yes, no. (%)

130 (6.72)

110 (2.66)

33 (1.14)

< 0.001

No, no. (%)

1804 (93.28)

4019 (97.34)

2853 (98.86)