Quality of claims, references and the presentation of risk results in medical journal advertising: a comparative study in Australia, Malaysia and the United States

Table 6 Claims supported by references.

Claims with references	Australia n/N^#(%)	Malaysia n/N^#(%)	US n/N^#(%)
Unambiguous	44/50	46/58	54/74
	(88)	(80)	(73)
Vague	58/76	129/205	71/157
	(76)	(63)	(45)
Emotive	20/35	19/52	9/48
	(57)	(37)	(19)
Non-clinical	2/2	17/31	30/39
	(100)	(55)	(77)
Australia and Malaysia		P = 0.001
Australia and the US		P < 0.001
Malaysia and the US		P < 0.001

ISSN: 1471-2458