Table 1.
2004 n=303,821 % (95% CI) |
2005 n=356,112 % (95% CI) |
2006a n=355,710 % (95% CI) |
2007a n=430,912 % (95% CI) |
|
---|---|---|---|---|
Women | 7.5 ( 7.3, 7.8) | 7.1 ( 6.9, 7.3) | 10.0 ( 9.7, 10.3) | 9.9 ( 9.7, 10.2) |
Men | 22.7 (22.2, 23.2) | 22.0 (21.5, 2.5) | 20.7 (20.2, 21.2) | 21.5 (21.0, 22.0) |
Overall | 14.8 (14.6, 15.1) | 14.3 (14.0, 14.6) | 15.2 (14.9, 15.5) | 15.5 (15.3, 15.8) |
In 2006 the Behavioral Risk Surveillance System (BRFSS) changed the threshold to define binge drinking among women from consuming 5 or more drinks on an occasion to 4 or more drinks on an occasion in the last 30 days.