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Table 1 Proportion of current smoking among patients presenting to health facilities, by age, sex and health system level

From: Smoking behaviour among adult patients presenting to health facilities in four provinces of Vietnam

  All facilities
(46 facilities)
N = 9700
Central/provincial hospital
(8 facilities)
N = 4890
District hospital
(16 facilities)
N = 4287
Commune health centre
(22 facilities)
N = 523
Male
N = 4620
Female
N = 5080
Male
N = 2373
Female
N = 2517
Male
N = 1956
Female
N = 2331
Male
N = 291
Female
N = 232
n/N % (95% CI)a n/N % (95% CI)a n/N % (95% CI)a n/N % (95% CI)a n/N % (95% CI)a n/N % (95% CI)a n/N % (95% CI)a n/N % (95% CI)a
All age 1595/4620 34.6 (33.2–36.0) 53/5080 1.1 (0.8–1.3) 699/2373 31.0 (29.2–32.8) 21/2517 0.8 (0.5–1.2) 771/1956 39.3 (37.1–41.4) 20/2331 0.9 (0.5–1.3) 125/291 42.2 (36.7–47.7) 12/232 4.4 (1.9–6.9)
Age group (years) 15–24 51/250 24.0 (18.3–29.6) 3/319 1.0 (− 0.1–2.1) 17/119 20.2 (12.3–28.1) 0/145 0 27/115 25.8 (17.6–34.0) 1/154 0.8 (− 0.7–2.2) 7/16 43.1 (18.3–67.8) 2/20 9.1 (−)b
25–34 170/428 40.2 (35.8–44.7) 8/580 1.4 (0.5–2.4) 82/213 39.4 (33.3–45.5) 4/283 1.4 (0–2.8) 78/184 42.7 (35.6–49.7) 2/244 1.0(− 0.3–2.3) 10/31 32.8 (16.7–48.9) 2/53 3.6 (− 1.3–8.4)
35–44 186/489 38.1 (33.8–42.4) 11/622 1.8 (0.7–2.8) 95/238 39.4 (33.5–45.4) 4/305 1.3 (−)b 79/201 39.1 (32.4–45.9) 6/293 2.0 (0.4–3.6) 12/50 24.9 (12.8–37.0) 1/24 3.5 (− 3.3–10.4)
45–54 322/765 40.4 (37.0–43.9) 12/838 1.4 (0.6–2.2) 137/380 35.6 (31.1–40.1) 3/411 0.7 (− 0.1–1.6) 160/339 45.9 (40.6–51.3) 6/389 1.5 (0.3–2.7) 25/46 51.4 (37.5–65.3) 3/38 6.4 (− 0.6–13.5)
55–64 495/1203 39.6 (37.0–42.2) 8/1218 0.7 (0.2–1.1) 206/586 34.7 (31.0–38.3) 5/552 0.9 (0.1–1.7) 253/553 45.3 (41.2–49.4) 3/618 0.5 (− 0.1–1.1) 36/64 54.4 (42.3–66.5) 0/48 1.8 (− 1.8–5.5)
65+ 371/1486 26.1 (24.0–28.3) 11/1503 0.7 (0.3–1.2) 162/837 22.5 (19.8–25.2) 5/821 0.6 (0.1–1.1) 174/564 30.1 (27.1–34.9) 2/633 0.4 (− 0.1–0.9) 35/84 40.7 (30.4–51.0) 4/49 7.0 (0.4–13.6)
  1. aPooled proportions. Missing values for smoking status were estimated for 1544 individuals using multiple imputation, with 95% confidence limits calculated based upon imputed values
  2. bBetween-imputation variance is zero