Table 6.

Statistical risk and prevalence of top 20 factors

No.	Factor	All data			18–24 years only		45–54 years only
		Risk	Prevalence MHQ <0	Relative prevalence	Prevalence MHQ <0	Relative prevalence	Prevalence MHQ <0	Relative prevalence
1	Cyberbullying or online abuse	58.9%	9.4%	4.02	16.4%	2.28	3.0%	2.09
2	Employment = not able to work	55.5%	6.2%	3.49	2.9%	2.74	13.0%	5.90
3	Prolonged sexual abuse or severe sexual assault	53.9%	10.1%	3.27	12.2%	2.49	9.3%	2.96
4	Opioids	53.0%	1.1%	3.16	0.5%	4.68	2.0%	8.84
5	Sleep = hardly ever	51.5%	24.8%	2.97	21.5%	2.90	32.5%	3.17
6	Number of subtances_3	50.8%	3.3%	2.89	3.0%	2.60	3.2%	3.25
7	Age = 18–24 years	50.6%	42.5%	2.87	N/A		N/A
8	Traumatic brain injury	49.4%	0.8%	2.73	0.4%	4.91	1.4%	4.78
9	Employment = studying	47.9%	31.5%	2.59	68.4%	1.00	1.3%	0.94
10	Vaping products	47.3%	4.4%	2.51	5.6%	1.99	3.2%	1.93
11	Extreme poverty leading to homelessness and/or hunger	44.9%	6.9%	2.28	5.2%	1.77	8.8%	2.41
12	Cannabis	44.7%	7.2%	2.27	7.4%	1.65	5.6%	2.49
13	How regularly do you socialise with friends in person? = rarely/never	44.6%	40.0%	2.26	31.2%	1.96	50.9%	2.35
14	Asthma	41.6%	4.3%	1.99	3.2%	2.37	6.2%	3.06
15	Employment = unemployed	41.3%	13.4%	1.97	11.5%	1.33	13.7%	1.79
16	I am unable to make ends meet for basic necessities	40.4%	8.8%	1.90	5.2%	1.54	12.9%	2.06
17	Sedatives or sleeping pills	39.1%	7.6%	1.80	7.6%	1.80	10.9%	2.87
18	How regularly do you engage in physical exercise (30 min or more)? = rarely/never	37.7%	46.7%	1.70	46.2%	1.48	45.9%	1.55
19	Education = some high school	37.4%	8.5%	1.67	9.8%	1.63	8.7%	1.94
20	Age = 25–34 years	37.3%	17.6%	1.67	N/A		N/A

MHQ, mental health quotient.