Table 2.

Structural equation models based on the hierarchical clustering method (Euclidean distance) with lifetime MDD as outcome.

Predictor	Estimate	z-value	P(>|z|)
1. Basic model
k1	2.56	2.91	0.004
k2	0.17	2.22	0.026
k3	0.03	0.30	0.763
2. Controlling for high-risk, age, and sex
k1	0.52	0.82	0.413
k2	0.23	3.62	<0.001
k3	0.01	0.22	0.827
High risk	0.18	4.47	<0.001
Age at last interview/W6	0.01	10.00	<0.001
Sex	0.10	2.44	0.015

k1 = Cancer + Other Cardiovascular + Hypothyroidism + Stroke + Diabetes + Hyper-thyroid + Convulsions + Gallbladder disease; k2 = Head injury; k3 = Hypertension.

Bold values are associated with significant findings.