1999 (N = 1252) % (95%CI) |
2001b (N = 1074) % (95%CI) |
Chi-square, p-value | |
---|---|---|---|
Any drinking in past 12 months |
87.9 (84.7-91.1) |
86.3 (81.3-91.3) | 0.46, .515 |
Any drinking in past 30 days |
75.5 (71.6-79.4) |
70.4 (64.8-76.0) | 8.35, .016 |
Heavy episodic drinkingc in past 2 weeks |
54.9 (49.3-60.5) |
50.6 (45.2-56.0) | 5.67, .039 |
Usual heavy episodic drinking (among past-30-days drinkers)d |
67.1 (63.0-71.3) |
56.8 (54.1-59.5) | 16.27, .002 |
Heavy episodic drinking in past 2 weeks among those reporting no heavy drinking in high school (Uptake) |
37.7 (32.7-42.7) |
30.9 (24.0-37.8) | 2.72, .130 |
Drove after drinking/rode with drunk driver in past 30 days |
47.6 (43.8-51.4) |
49.6 (44.5-54.7) | 0.64, .442 |
Any marijuana use in past 30 days |
22.6 (18.2-27.0) |
22.2 (17.8-26.6) | 0.04, .849 |