Table 1 Demographics of women giving birth before and after Hurricane Michael in the most affected areas in Florida (2017–2019)

Total number of births

3420

1258

3289

998

Maternal age

27.23 (5.69)

26.91 (5.56)

0.08

27.31 (5.70)

27.07 (5.96)

0.24

Maternal education level

 High School or GED or less

1699 (50.72)

604 (49.51)

 < 0.01

1641 (51.75)

538 (56.22)

 < 0.01

 Some College Credit, but No Degree or Associate Degree

1063 (31.73)

452 (37.05)

938 (29.58)

290 (30.30)

 Bachelor’s Degree and above

588 (17.55)

164 (13.44)

592 (18.67)

129 (13.48)

Maternal ethnicity

 Non-Hispanic White

2323 (68.67)

814 (66.23)

0.06

2235 (69.11)

619 (64.61)

 < 0.01

 Hispanic White

189 (5.59)

65 (5.29)

189 (5.84)

49 (5.11)

 Black

701 (20.72)

264 (21.48)

672 (20.78)

222 (23.17)

 Other

170 (5.03)

86 (7)

138 (4.27)

68 (7.10)

WIC program

1980 (59.16)

792 (64.71)

 < 0.01

1761 (54.02)

576 (59.08)

 < 0.01

Pre-pregnancy BMI

27.91 (7.25)

28.23 (7.66)

0.22

28.20 (7.36)

28.47 (8.02)

0.36

Smoking during pregnancy

278 (8.18)

103 (8.22)

0.96

354 (10.88)

101 (10.31)

0.61

Alcohol use during pregnancy

36 (1.12)

6 (0.49)

0.05

24 (0.79)

3 (0.33)

0.13

Low birth weight (LBW)

245 (7.17)

105 (8.37)

0.17

296 (9.02)

92 (9.23)

0.84

Preterm birth (PTB)

431 (12.60)

161 (12.80)

0.86

403 (12.25)

104 (10.42)

0.12

Small for gestational age (SGA)

387 (11.32)

150 (11.92)

0.56

434 (13.20)

130 (13.03)

0.89

Caesarean section

1095 (32.03)

382 (30.41)

0.29

1079 (32.82)

317 (31.80)

0.55

No breastfeeding

776 (23.21)

251 (20.51)

0.05

714 (22.06)

239 (24.72)

0.08

Gestational month of 1st PNC

2.81 (1.57)

3.03 (1.77)

0.002

2.98 (1.74)

3.11 (1.90)

0.16

PNC (yes/no)

3356 (98.79)

1237 (99.20)

0.23

3218 (98.11)

977 (97.90)

0.67

Intermediate/Inadequate PNC

708 (24.82)

281 (27.79)

0.06

866 (31.03)

278 (34.36)

0.07