BMC Medical Research Methodology

Table 2 Alcohol consumption on the heaviest drinking day in the last week^a

From: The effect of mode and context on survey results: Analysis of data from the Health Survey for England 2006 and the Boost Survey for London

	WOMEN			MEN
	Core	Boost	P-value	Core	Boost	P-value
Mean units of alcohol	Units	Units		Units	Units
Weighted	4.7	6.0	0.000	7.1	8.8	0.000
Matched	4.6	5.9	0.000	6.5	8.6	0.000
Proportion binge-drinking ^b	%	%		%	%
Weighted	33	44	0.003	34	50	0.000
Matched	33	42	0.005	31	48	0.000
N	358	1079		425	1167

^a All participants aged 25 and over who drank in the last week
^b Drinking more than double the recommended daily limit (i.e. >8 units in men, >6 units in women).

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ISSN: 1471-2288

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