Table 1. Age-standardised rates for all suicides and charcoal-burning suicides and the proportions of charcoal-burning suicide (with 95% confidence intervals) in Taiwan by sex, time period (1999–2001, 2002–2004, 2005–2007), and urbanisation level.
| Urbanisation Level | 1999–2001 | 2002–2004 | 2005–2007 | ||||||
| Rate | Proportion of CB Suicide | Rate | Proportion of CB Suicide | Rate | Proportion of CB Suicide | ||||
| All Suicides | CB Suicides | All Suicides | CB Suicides | All Suicides | CB Suicides | ||||
| Male | |||||||||
| 1 (Most urban) | 21.3 | 1.3 | 6.1 (4.9–7.7) | 27.2 | 6.6 | 24.3 (21.8–27.1) | 31.5 | 11.4 | 36.1 (33.1–39.3) |
| 2 | 23.1 | 1.3 | 5.5 (4.4–6.7) | 29.6 | 6.4 | 21.7 (19.7–23.9) | 32.5 | 10.9 | 33.5 (31.1–36.2) |
| 3 | 26.1 | 1.4 | 5.2 (4.1–6.6) | 30.8 | 6.2 | 20.2 (18.0–22.7) | 38.1 | 11.3 | 29.8 (27.3–32.5) |
| 4 | 26.9 | 1.3 | 5.0 (3.8–6.5) | 31.3 | 5.7 | 18.0 (15.8–20.6) | 34.4 | 9.4 | 27.2 (24.5–30.3) |
| 5 | 26.6 | 0.8 | 3.2 (1.5–6.7) | 26.7 | 2.9 | 10.7 (6.9–16.6) | 36.9 | 7.9 | 21.5 (16.0–28.7) |
| 6 | 32.0 | 0.9 | 2.7 (1.5–4.6) | 34.8 | 2.9 | 8.4 (6.1–11.5) | 40.0 | 8.1 | 20.2 (16.5–24.7) |
| 7 (Most rural) | 31.4 | 0.7 | 2.2 (1.1–4.3) | 30.4 | 3.8 | 12.6 (9.4–16.8) | 37.8 | 7.3 | 19.3 (15.6–24.0) |
| Female | |||||||||
| 1 (Most urban) | 11.1 | 0.2 | 2.0 (1.1–3.3) | 12.8 | 2.6 | 20.0 (16.9–23.7) | 15.1 | 4.2 | 27.5 (24.0–31.4) |
| 2 | 12.6 | 0.4 | 3.2 (2.2–4.5) | 14.4 | 2.5 | 17.2 (14.8–20.0) | 15.8 | 4.3 | 27.4 (24.5–30.8) |
| 3 | 13.0 | 0.3 | 2.0 (1.2–3.4) | 15.3 | 2.0 | 13.2 (10.8–16.2) | 15.6 | 3.9 | 25.3 (21.9–29.3) |
| 4 | 12.9 | 0.2 | 1.5 (0.7–3.0) | 14.3 | 2.0 | 14.3 (11.4–18.0) | 15.7 | 3.3 | 20.7 (17.2–24.8) |
| 5 | 14.5 | 0 | — | 12.9 | 0.9 | 6.6 (2.7–16.2) | 15.5 | 0.9 | 5.8 (2.4–14.4) |
| 6 | 16.2 | 0.3 | 1.7 (0.5–5.3) | 17.3 | 1.2 | 7.0 (4.0–12.2) | 16.2 | 2.6 | 15.9 (10.7–23.6) |
| 7 (Most rural) | 14.3 | 0.2 | 1.1 (0.3–4.4) | 15.1 | 1.6 | 10.6 (6.5–17.2) | 17.3 | 3.0 | 17.3 (12.1–24.7) |
CB, charcoal-burning.