Table 1.

Demographic data of respondents

Variable	Number	%		Variable	Number	%
Region				Proprietorship
Taipei	150	27		Solo	333	59.9
Northern	60	10.8		2–5	219	39.4
Central	120	21.6		5–9	2	0.4
Southern	99	17.8		10 & above	2	0.4
Kaohsiung & Pingtung	113	20.3		Business (years)
Eastern	14	2.5		5	104	18.7
Specialty				6–10	187	33.6
Medical	216	38.8		11–20	206	37.1
Surgical	180	32.4		21 & above	59	10.6
OBS & GYN	13	2.3
Pediatric	88	15.8		Volume (month)
Multiple	59	10.6		Below 999	121	21.8
Age				1000–1999	211	37.9
Below 39	54	9.7		2000–2999	157	28.2
40–49	264	47.5		3000 & above	67	12.1
50–64	226	40.6
65 & above	12	2.2
Sex
Male	510	91.7
Female	46	8.3
Position (Title)
Director	519	93.3
Partner	32	5.8
Employed	5	0.9