Table 4.

Individual and home contextual characteristics predicting total number of drinks at last home drinking occasion

Variables	IRR	[95% CI]
Age	1.16*	[1.02, 1.33]
Male	1.44**	[1.15, 1.82]
Non-Hispanic White	0.93	[0.76, 1.14]
Perceived best friend alcohol use	1.05	[0.96, 1.16]
Typical number of drinks	1.20**	[1.13, 1.27]
Your home	0.77	[0.54, 1.11]
Number of people at event	1.01*	[1.00, 1.01]
Adult responsible	0.93	[0.74, 1.18]
More boys than girlsa	0.80	[0.57, 1.13]
More girls than boysa	1.07	[0.68, 1.68]
Ease of access	1.20**	[0.99, 1.45]

Notes: IRR = incident rate ratio; CI = confidence interval. ^aReferent group = equal numbers of boys and girls.

^*p <.05;

^**p <.01.