Table 6.

Spearman’s correlations, area under the curve and odds ratios for loneliness and social isolation scales

	Wave 17		Wave 19
	K10	MCS	K10	MCS
Spearman’s correlationsa
Loneliness	0.48	− 0.46	0.48	− 0.46
Social isolation	− 0.37	0.38	− 0.38	0.38
Receiver operating characteristic: area under the curve (AUC)b
Loneliness	0.78	0.75	0.77	0.74
Social isolation	0.73	0.70	0.73	0.70
Odds ratios—logistic regression (95% CIs)a,b
Loneliness (cut-off > 4)	6.14 (5.58–6.75)	5.57 (5.07–6.12)	5.60 (5.10–6.14)	5.07 (4.62–5.55)
Social isolation (cut-off < 4)	4.67 (4.09–5.33)	3.99 (3.49–4.56)	4.74 (4.15–5.42)	4.24 (3.70–4.85)

^aAll significant at the 0.01 level

^bUsing K10 threshold for psychological distress ≥ 22 and MCS poor mental health ≤ 42