Table 1.

Studies included [15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34].

1st Author Year	Country	Population	Sex	Age	Follow-Up (Years)	Sample	Suicidal Behaviours	NOS Quality
Beard 2011	USA	Pesticide applicators	Both	>18	13.3	81,998	Suicide	8
Berlin 2015	USA	General	Both	>18	3.5	34,653	Attempt	9
Clarke 2010	USA	General	Both	18–54	12	1292	Ideation	9
Doll 1994	Britain	Doctors	Male	>35	40	10,812	Suicide	5
Evins 2017	Finland	Twins	Both	>18	6	32,564	Suicide	8
Friberg 1973	Switzerland	Twins	Both	>36	11	17,849	Suicide	7
Hemenway 1993	USA	Nurses	Female	30–55	12	107,083	Suicide	6
Iwasaki 2005	Japan	General	Male	>40	10	45,209	Suicide	8
Jee 2011	Korea	General	Both	30–95	14	1,234,927	Suicide	8
Kang 2014	Korea	General	Both	>65	2.4	909	Ideation	9
Kessler 2009	USA	General	Both	15–54	13	5001	I/P/A	9
Leistikow 2000	USA	General	Both	>18	5	82,461	Suicide	9
Lucas 2013	USA	Health professionals	Both	>25	32	253,033	Suicide	7
Miller 2000a	USA	Army soldiers	Male	>17	10	314,402	Suicide	7
Miller 2000b	USA	Health professionals	Male	40–75	8	51,529	Suicide	7
Paffenbarger 1994	USA	Harvard alumni	Male	35–74	27	21,569	Suicide	6
Rantakallio 1995	Finland	Pregnant women	Female	14–49	28	11,994	Suicide	7
Riala 2009	Finland	General	Both	14–31	17	8332	Attempt	8
Sonderman 2014	USA	General	Both	40–79	9	73,422	Suicide	8
Tverdal 1993	Norway	General	Both	35–49	13.3	68,825	Suicide	9

Note: I: Ideation; P: Plans; A: Attempts.