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Table 3 Previous pregnancy(s) and outcomes according to maternal self-reported tobacco use (N = 73)

From: Central Australian Aboriginal women’s pregnancy, labour and birth outcomes following maternal smokeless tobacco (pituri) use, cigarette use or no-tobacco use: a prospective cohort study

Variable

Maternal self-reported tobacco use

Total

N = 73

No-tobacco use

n = 31

Chewer

n = 19

Smoker

n = 23

n (column %, 95 confidence interval)

Gravida

 1

19 (27, 18–39)

12 (40, 24–59)

3 (17, 5–42)

4 (18, 7–41)

 2–3

33 (47, 36–59)

13 (43, 27–62)

10 (56, 32–77)

10 (45, 26–67)

 4+

18 (26,17–37)

5 (17, 7–35)

5 (28, 12–53)

8 (36, 19–59)

 Unknowna

3

1

1

1

Parity

 0

24 (34, 24–46)

17 (57, 38–73)

3 (17, 5–42)

4 (18, 7–41)

 1–2

34 (49, 37–60)

10 (33, 19–52)

12 (67, 42–85)

12 (55, 33–74)

 3+

12 (17, 10–28)

3 (10, 3–28)

3 (17, 5–42)

6 (27, 12–50)

 Unknowna

3

1

1

1

Birth outcomes

 Livebirths

  0

25 (34, 24–46)

16, (52, 34–69)

3 (16, 5–40)

6 (26, 12–48)

  1–2

33 (45, 34–57)

11 (35, 20–54)

12 (63, 39–82)

10 (43, 25–64)

  3+

15 (21, 13–32)

4 (13, 5–30)

4 (21, 8–46)

7 (30, 15–52)

Stillbirths

3

1

1

1

Neonatal deaths

2

0

1

1

  1. aUnknown/missing data not included in %