Skip to main content

Table 1 Characteristics of firefighters at 2017 survey with at least one pregnancy, by employment and wildland statusa

From: Occupational factors and miscarriages in the US fire service: a cross-sectional analysis of women firefighters

  Employment status Wildland firefighter status Total
Volunteer
n = 157
Career
n = 917
Structural
n = 709
Wildland/WUI
n = 363
n = 1074
Demographics in 2017      
  Median (IQR)  
Age at survey (years) 37 (31–46) 38 (34–45) 41 (35–47) 34 (34–39) 38 (34–45)
Total pregnanciesb 2 (1–3) 2 (1–3) 2 (1–3) 1 (1–2) 2 (1–3)
Total livebirths 1 (1–2) 1 (1–2) 2 (1–2) 1 (1–2) 1 (1–2)
  N (%)  
Race, white 148 (95) 845 (93) 643 (92) 349 (96) 993 (93)
Hispanic ethnicity < 5 51 (6) 44 (6) 10 (3) 55 (5)
BMI
  ≤ 24.9 kg/m2 48 (31) 479 (52) 254 (36) 272 (75) 527 (49)
 25–29.9 kg/m2 51 (32) 295 (32) 287 (40) 58 (16) 346 (32)
  ≥ 30 kg/m2 58 (37) 143 (16) 168 (24) 33 (9) 201 (19)
Highest completed education
 Some college or less 102 (65) 538 (59) 370 (52) 269 (74) 640 (60)
 College and above 55 (35) 379 (41) 339 (48) 94 (26) 434 (40)
Marital status
 Married or in partnership 107 (68) 721 (79) 515 (73) 312 (86) 828 (77)
Household income
  > $75,000 77 (49) 601 (66) 570 (81) 107 (29) 678 (63)
  ≤ $75,00 79 (51) 315 (34) 137 (19) 256 (71) 394 (37)
Smoking status
 Current 22 (14) 30 (3) 41 (6) 11 (3) 55 (5)
 Former 47 (30) 155 (17) 165 (23) 37 (10) 202 (19)
 Never 88 (56) 732 (80) 503 (71) 319 (87) 820 (76)
History of miscarriage 70 (45) 261 (28) 279 (39) 51 (14) 331 (31)
History of pre-term birth 135 (15) 36 (23) 136 (19) 34 (9) 171 (16)
Menopause status
 Premenopausal 103 (71) 693 (78) 494 (72) 302 (86) 796 (77)
 Perimenopausal 17 (12) 91 (10) 85 (12) 22 (6) 108 (10)
 Postmenopausal 25 (17) 109 (12) 105 (15) 28 (8) 134 (13)
Occupational factors in 2017      
  Median (IQR)  
Years since most recent pregnancy in fire service 8 (3–14) 5 (2–12) 8 (3–14) 2 (2–8) 6 (2–13)
  N (%)  
Employment status
 Volunteer 118 (17) 39 (11) 157 (15)
 Career 591 (83) 324 (89) 917 (85)
Wildland fire activity
 No (structural) 118 (75) 591 (65) 709 (100) 709 (66)
 Yes (wildland only) < 5 22 (2) 26 (7) 26 (2)
 Yes (WUI) 35 (22) 302 (33) 337 (93) 337 (31)
Current rank
 Firefighter 75 (48) 328 (36) 160 (23) 242 (67) 403 (38)
 Firefighter/paramedic 30 (19) 225 (25) 212 (30) 43 (12) 255 (24)
 Driver operator 7 (5) 77 (8) 66 (9) 18 (5) 84 (8)
 Lieutenant 10 (6) 89 (10) 82 (12) 16 (4) 99 (9)
 Captain 8 (5) 95 (10) 76 (11) 27 (7) 103 (10)
 Chief 14 (9) 74 (8) 77 (11) 11 (3) 88 (8)
 Paramedic 5 (3) 5 (1) 10 (1) 0 (0) 10 (1)
 Other 8 (5) 23 (3) 26 (4) 5 (1) 31 (3)
Shift schedule (career only)
 24 h or more on shift 735 (80) 444 (76) 290 (90) 735 (80)
 Less than 24 h on shift 179 (20) 144 (24) 34 (10) 179 (20)
Department policy regarding pregnancy and/or maternity
 Yes 57 (36) 712 (78) 461 (65) 306 (84) 769 (72)
 No 72 (46) 173 (19) 204 (29) 41 (11) 245 (23)
 Don’t know 28 (18) 32 (3) 44 (6) 16 (4) 60 (6)
  1. IQR interquartile range, BMI Body mass index (kg/m2), WUI wildland urban interface
  2. Responses may not sum to totals due to missing responses not shown here. Percentages may not sum to 100 due to rounding
  3. a All data were collected at time of survey in 2017. Unless otherwise noted, variable is self-reported in 2017
  4. b Includes pregnancies that resulted in either livebirth, miscarriage, stillbirth, or pregnancy termination