Selected analysis indicators from the GATS waterpipe questionnaire module, reported for waterpipe smokers 15 years of age or older in Egypt, Turkey, Ukraine and Vietnam, GATS 2008–2010
| Egypt | Turkey | Ukraine | Vietnam | |
|---|---|---|---|---|
| % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | |
| Males | ||||
| Age at initiation of water pipe smoking1 | ||||
| <18 years | 30.3 (26.6–34.3) | 32.3 (23.8–42.1) | 22.2 (14.9–31.9) | 33.1 (29.2–37.3) |
| 18–24 | 44.9 (40.8–49.1) | 28.3 (21.5–36.4) | 52.5 (42.6–62.1) | 43.0 (38.7–47.5) |
| 25 and above | 24.8 (21.4–28.6) | 39.4 (31.2–48.2) | 25.3 (18.2–34.0) | 23.9 (20.4–27.7) |
| Duration of last session2 | ||||
| < 30 minutes | 68.8 (63.8–73.3) | 23.8 (14.8–35.9) | 41.4 (29.7–54.3) | 89.6 (86.5–92.1) |
| 30 to 59 minutes | 13.0 (9.9–16.9) | 34.3 (24.5–45.8) | 37.6 (24.7–52.6) | 6.6 (4.6–9.3) |
| 60 minutes and above | 18.3 (14.6–22.7) | 41.9 (31.2–53.4) | 20.9 (13.6–30.9) | 3.8 (2.3–6.2) |
| No. of people sharing the pipe2 | ||||
| 0 | 80.3 (76.2–83.9) | ** | 2.5 (0.8–7.8) | 46.4 (41.3–51.5) |
| 1 to 2 | 11.9 (9.0–15.4) | ** | 53.0 (41.5–64.2) | 34.1 (29.4–39.2) |
| 3 or more | 7.8 (5.7–10.7) | ** | 44.5 (33.5–56.1) | 19.5 (15.6–24.1) |
| Females | ||||
| Age at initiation of water pipe smoking1 | ||||
| <18 years | 38.8 (20.2–61.3) | 8.8 (1.4–38.7) | 22.6 (12.7–37.0) | ∼ |
| 18–24 | 19.5 (9.0–37.1) | 44.0 (25.3–64.5) | 46.6 (34.0–59.7) | ∼ |
| 25 and above | 41.8 (27.3–57.8) | 47.3 (31.6–63.5) | 30.7 (21.8–41.4) | ∼ |
| Duration of last session2 | ||||
| <30 minutes | 72.0 (43.4–89.6) | 37.6 (21.6–57.0) | 25.1 (12.8–43.4) | ∼ |
| 30 to 59 minutes | 19.3 (6.5–45.0) | 44.2 (27.1–62.8) | 24.0 (12.0–42.2) | ∼ |
| 60 minutes and above | 8.7 (1.7–33.6) | 18.2 (7.8–36.9) | 50.9 (31.1–70.4) | ∼ |
| No. of people sharing the pipe2 | ||||
| 0 | 61.4 (46.6–74.3) | ** | 0 (–) | ∼ |
| 1 to 2 | 29.5 (17.8–44.6) | ** | 41.1 (22.7–62.3) | ∼ |
| 3 or more | 9.2 (2.1–31.9) | ** | 58.9 (37.7–77.3) | ∼ |
1Among ever waterpipe smokers (current and former waterpipe smokers)
2Among current waterpipe smokers
** Not available
∼ Value suppressed because denominator is less than 25