Table 3.

Incidence of catastrophic expenditure for healthcare across different household living arrangements in Shandong, China

Household composition	Households	CHE*	Per cent	OR	95% CI	p Value
Non-empty-nest elderly	1147	360	31.4	1.0
Empty-nest single	398	236	59.3	3.19	2.52 to 4.03	<0.001
Empty-nest couple	1216	643	52.9	2.45	2.07 to 2.90	<0.001
Total	2761	1239	44.9

*CHE, catastrophic health expenditure.