Table 3. Association of Depression category with cluster membership (fully adjusted model).

		Cluster 1			Cluster 3
Depression Category	RR	95%CI	P value	RR	95%CI	p value
None (PHQ score 0–4)	1			1
Mild (PHQ score 5–9)	1.53	0.34 to 6.87	0.58	5.22	1.33 to 20.54	0.02
Moderate (PHQ score > or  = 10)	9.54	0.43 to 210.34	0.15	6.52	0.35 to 121.78	0.21
None (PHQ score 0–4)	1			1
Mild or moderate (PHQ score 5 or more)	2.03	0.47 to 8.76	0.34	5.43	1.35 to 21.84	0.02

Cluster 2 is reference.

Repeating the analysis after removing the suicide item from the PHQ9 measure of depression produces the same overall findings.