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Table 2 Maternal demographics 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
Maternal age in years
 Median (range) 24 (18–38) 22 (18–37) 26 (18–34) 23 (18–38)
Maternal age categorized, n (col %, 95 CI)
 <  20 15 (21, 13–32) 11 (35, 20–54) 1 (5,1–31) 3 (13, 4–35)
 20–29 41 (56, 44–67) 15 (48, 31–66) 10 (53, 30–74) 16 (70, 48–85)
 30–39 17 (23, 15–35) 5 (16, 7–34) 8 (42, 22–65) 4 (17, 6–39)
 Median (range) 10 (5–12) 9.5 (5–12) 8.5 (5–11) 10 (7–12)
Left school in/at Grade, n (col %, 95 CI)
 ≤ 7 13 (22, 13–34) 4 (17, 6–38) 7 (39, 19–63) 2 (11, 3–36)
 8–12 47 (78, 66–87) 20 (83, 62–94) 11 (61, 37–81) 16 (89, 63–97)
 Unknowna 13 7 1 5
Residential distance from Alice Springs - kilometres
 Median (range) 294 (0–1020) 195 (0–700) 350 (0–1020) 294 (0–788)
Urban or rural/remoteb, n (col %, 95 CI)
 Urban 12 (16, 9–27) 6 (19, 9–38) 2 (11, 2–35) 4 (17, 6–39)
 Rural/remote 61 (84, 73–91) 25 (81, 62–91) 17 (89, 65–98) 19 (83, 61–94)
Reported alcohol use, n (col %, 95 CI)
 Yes 10 (14, 8–24) 4 (13, 5–30) 3 (17, 5–42) 3 (13, 5–30)
 No 62 (86, 76–92) 27 (87, 70–95) 15 (83, 58–95) 20 (87, 65–96)
 Unknowna 1   1  
  1. aMissing values (unknown) not included in %
  2. bUrban or rural/remote dichotomized as residing < 20 km> from delivery hospital