Table 2.

Study means for reported number of partners weighted to 2000 U.S. census demographics by sex and outcome measure

	Outcome measure	Females				Males
		Last year		Lifetime		Last year		Lifetime
		C	T	C	T	C	T	C	T
Survey	BRFS	0.96	0.95			1.33	1.20
	GSS		1.10				1.40
	NCHRBS				3.70				4.18
	NHSLS	1.13	1.10	5.96	3.63	1.63	1.40	17.24	4.46
	NSFG	1.04	1.02	5.61	3.20
	NSW/NSM	0.86	0.84	6.49	3.51	1.82	1.47	15.15	4.31
Mean of study means		1.0	1.0	6.0	3.5	1.6	1.4	16.2	4.3
Largest difference		0.27	0.27	0.88	0.50	0.49	0.27	2.09	0.28
SD between studies		0.12	0.11	0.44	0.22	0.25	0.12	1.48	0.14
SD/mean		12%	11%	7%	6%	15%	8%	9%	3%

Note: Bottom row shows the standard deviation between studies divided by the mean of the study means

C Continuous response coding, T Topcoded responses