Table 1.

Descriptive statistics of analysis variables (period of study from 1972 to 1995, Japan)

N	Region	Death count	MRa	Mean	Tmaxb (°C)	Rhumc (%)	Pstd (hPa)	Sune (h)
1	Hokkaido	24489	0.5	2.79	12.6	70.2	1010.3	5.4
2	Tohoku	47548	0.57	5.42	15.7	72.9	1005.4	5.0
3	Kanto	134284	0.43	15.32	19.1	68.0	1007.3	5.6
4	Chubu	87744	0.49	10.01	18.9	70.9	1003.5	5.4
5	Kinki	89250	0.47	10.18	19.9	69.0	1008.7	5.6
6	Chugoku	34803	0.52	3.97	19.7	73.5	1012.9	5.4
7	Shikoku	19902	0.55	2.27	20.5	68.3	1013.3	5.9
8	Kyushu	59383	0.52	6.77	21.2	72.0	1013.2	5.6
9	Okinawaf	4547	0.47	0.54	25.3	75.7	1009.3	5.5

The highest suicide mortality was observed in the Tohoku region (0.57) and the lowest in Kanto (0.43)

^aMortality rate

^bMaximum temperature

^cRelative humidity

^dStation level atmospheric pressure; hectopascal (hPa)

^eSunshine duration

^fThe period of the study was from 1973 to 1995