Table 1.

Patient demographics.

Characteristics	Patients without coprescription		Patients with coprescription		P value
	Total	%	Total	%
No. of patients	772		200
Age					0.194
Median (years)	75.8		73.7
<50	17	2.2	5	2.5
50's	59	7.6	21	10.5
60's	155	20.1	46	23.0
70's	296	38.3	81	40.5
>80	245	31.7	47	23.5
Insured amount (US$/month)					0.18
0	220	28.5	55	27.5
1–608	286	37.0	67	33.5
609–1218	194	25.1	64	32.0
>1218	72	9.3	13	6.5
Missing data	0	0.0	1	0.5
Insured region					0.005
Northern Taiwan	472	61.1	99	49.5
Central Taiwan	108	14.0	46	23.0
Southern Taiwan	175	22.7	51	25.5
Eastern Taiwan & Offshore islands	17	2.2	3	1.5
Missing data	0	0.0	1	0.5
Insured unit		0.0
Employees of government, school, enterprises or institutions	88	11.4	21	10.5	0.53
Members of occupational unions, alien seamen	25	3.2	4	2.0
Farmers, Fishermen	171	22.2	54	27.0
Low-income households	3	0.4	2	1.0
Veterans, other regional populationa	265	34.3	63	31.5
Dependentb	220	28.5	55	27.5
Missing data	0	0.0	1	0.5

^aAll family members are unemployed and not low-income households.

^bPeople are unemployed or under 20 years of age and have insured family member.