Deregulation of sale of over-the-counter drugs outside of pharmacies in the Republic of Korea: interrupted-time-series analysis of outpatient visits before and after the policy

Table 2 Mean number of monthly outpatient visits for acute upper respiratory infections, dyspepsia, and migraine

	Acute upper respiratory infections			Dyspepsia			Migraine
	Mean	SD	p-value	Mean	SD	p-value	Mean	SD	p-value
Sex
Male	0.2880	0.6873	<.0001	0.0036	0.0718	<.0001	0.0046	0.0814	<.0001
Female	0.3137	0.7211		0.0041	0.0781		0.0075	0.1102
Age
less than 30	0.4031	0.7902	<.0001	0.0038	0.0702	<.0001	0.0034	0.0659	<.0001
30–39	0.2895	0.6551		0.0035	0.0746		0.0069	0.1032
40–49	0.2351	0.6147		0.0035	0.0688		0.0083	0.1130
50–59	0.2125	0.6260		0.0038	0.0812		0.0078	0.1087
60–69	0.2055	0.6376		0.0042	0.0780		0.0073	0.1090
70–79	0.2049	0.6808		0.0056	0.0900		0.0104	0.1519
80 or more	0.1321	0.5058		0.0047	0.1179		0.0060	0.1021
Insurance
Self-employed insured	0.2881	0.6903	<.0001	0.0037	0.0729	0.0002	0.0063	0.0964	<.0001
employee insured	0.3109	0.7141		0.0039	0.0763		0.0058	0.0949
Medicaid	0.2392	0.6593		0.0041	0.0714		0.0094	0.1358
Income
Q1(Low)	0.2734	0.6754	<.0001	0.0037	0.0730	<.0001	0.0071	0.1058	<.0001
Q2	0.2858	0.6810		0.0039	0.0785		0.0059	0.0993
Q3	0.3204	0.7249		0.0039	0.0735		0.0054	0.0860
Q4(High)	0.3068	0.7160		0.0038	0.0749		0.0062	0.1019
Region
Urban	0.2993	0.7104	0.0007	0.0036	0.0735	<.0001	0.0061	0.1004	<.0001
Rural	0.3023	0.6995		0.0040	0.0763		0.0060	0.0939
Type of hospital
General hospital	0.1063	0.4213	<.0001	0.0031	0.0598	<.0001	0.0099	0.1058	<.0001
Hospital	0.1999	0.5582		0.0027	0.0551		0.0064	0.0931
Clinic	0.3375	0.7456		0.0044	0.0828		0.0054	0.0961
Others	0.3778	0.6915		0.0032	0.0655		0.0073	0.1020
Total	0.2742	0.7321		0.0045	0.0870		0.0078	0.1171

ISSN: 1472-6963