From: Chronic diseases among the elderly in a rural Vietnam: prevalence, associated socio-demographic factors and healthcare expenditures
95 % C.I
n
Percent
Lower
Upper
None
1662
57.9
56.1
59.7
One
841
29.3
27.8
31.1
Two
265
9.2
8.2
10.3
3 or more
100
3.5
2.8
4.1