Table 1.
Summary statistics by country.
| Country | Cities/region (n) | Study period | Total suicides [n (%)]a | Suicides in men (%)b | Suicides of age (%)c | Suicide rate (per 100,000)d | Temperature (°C) [mean (range)]f | Summer temperature (°C) [mean (range)]f,g |
|---|---|---|---|---|---|---|---|---|
| Brazil | 13 | 1997–2005 (9 y) | 8,801 (0.53) | 77.1 | 93.0 | 5.8 | 23.5 (17.6–27.6) | 25.0 (20.7–27.8) |
| Canada | 26 | 1986–1999 (14 y) | 25,619 (1.56) | 75.7 | 86.8 | 10.9 | 6.7 (2.7–10.7) | 17.3 (13.5–20.7) |
| Japan | 47 | 1973–2012 (40 y) | 976,346 (2.76) | 66.8 | 74.1 | 19.1 | 15.1 (8.8–22.9) | 24.3 (19.4–27.8) |
| South Korea | 6 | 1992–2013 (22 y) | 83,825 (4.28) | 67.3 | 79.1 | 29.1 | 13.6 (12.4–14.9) | 23.8 (23.1–24.5) |
| Philippines | 4 | 2006–2010 (5 y) | 1,267 (0.46) | 71.0 | 88.3 | 2.9 | 28.1 (27.4–28.6) | 28.3 (27.6–28.8) |
| South Africa | 39 | 2000–2013 (14 y) | 5,128 (0.08) | 77.9 | 94.5 | 1.1 | 17.8 (12.4–22.7) | 21.8 (15.0–26.7) |
| Spain | 50 | 1990–2013 (24 y) | 21,998 (0.57) | 71.1 | 70.6 | 6.9 | 15.6 (10.9–21.6) | 22.3 (17.5–26.9) |
| Switzerland | 8 | 1995–2013 (19 y) | 16,022 (2.02) | 69.1 | 66.6 | 12.0 | 10.4 (8.6–12.9) | 17.9 (15.8–20.6) |
| Taiwan | 3 | 1994–2007 (14 y) | 17,883 (2.33) | 67.4 | 78.7 | 16.8e | 24.0 (23.2–25.2) | 28.4 (28.1–28.6) |
| UK | 10 | 1990–2011 (22 y) | 78,115 (0.66) | 77.2 | 83.1 | 6.9 | 10.3 (9.4–11.6) | 15.6 (14.5–17.2) |
| USA | 134 | 2001–2006 (6 y) | 84,684 (1.32) | 78.1 | 83.3 | 13.0 | 14.9 (8.2–25.0) | 23.6 (17.2–33.8) |
| Vietnam | 1 | 2010–2013 (4 y) | 460 (0.45) | 73.0 | 93.9 | 5.0 | 28.5 (28.5–28.5) | 28.4 (28.4–28.4) |
Proportion of total suicides over the number of total or non-external deaths for the study periods.
Proportion of suicides in men over the total number of suicides for the study periods.
Proportion of suicides in younger people ( of age) over the total number of suicides for the study periods.
Suicide rate in 2012 collected from the WHO report (WHO 2014) for the Philippines and Vietnam and from Health Status, Organisation for Economic Co-operation and Development (https://data.oecd.org/healthstat/suicide-rates.htm?context=OECD) for other countries.
Suicide rate in 2010 collected from National Statistics, Taiwan (http://eng.stat.gov.tw/lp.asp?ctNode=2267&CtUnit=1072&BaseDSD=36&mp=5).
Location-specific mean temperature (range).
Summer temperature was defined as the average temperature during June to September in the Northern Hemisphere and during December to March in the Southern Hemisphere.