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Table 4 Comparison of enforcement trajectory groups based on deans' and campus security chiefs' reports of enforcement levels over time.

From: Alcohol policy enforcement and changes in student drinking rates in a statewide public college system: a follow-up study

  Deans' Enforcement Trajectory Groups
  Lower (n = 6) Mean (SD) Higher (n = 5) Mean (SD)   F p-value
Deans' 1999 score 75.3 (4.0) 89.5 (7.8)   15.2 0.004
Deans' 2001 score 67.1 (5.8) 85.5 (10.8)   13.3 0.005
Deans' average score across years 71.2 (2.7) 87.5 (3.8)   70.9 <0.001
Change in past-30-days drinking rate -4.4 (7.0) -10.2 (11.8)   1.0 0.342
Change in past-2-weeks heavy episodic drinking rate 2.8 (10.1) -18.5 (16.0)   7.3 0.025
Change in usual heavy episodic drinking rate among past-30-days drinkers -13.7 (13.1) -19.9 (10.1)   0.7 0.416
Change in past-2-weeks heavy episodic drinking rate among those reporting no heavy drinking in high school -1.8 (38.1) -22.7 (26.4)   1.1 0.318
  Campus Security Chiefs' Enforcement Trajectory Groups
  Lower (n = 5) Mean (SD) Higher (n = 2) Mean (SD) Increasing (n = 2) Mean (SD) F p-value
Security chiefs' 1999 score 77.5 (5.7) 94.6 (0.9) 67.7 (8.7) 11.0 0.010
Security chiefs' 2001 score 74.0 (5.9) 90.0 (5.5) 86.3 (6.0) 6.7 0.030
Security chiefs' average score across years 75.8 (5.5) 92.3 (2.3) 77.0 (7.3) 6.8 0.029
Change in past-30-days drinking rate -10.0 (12.8) -3.7 (5.1) -0.4 (6.4) 0.6 0.565
Change in past-2-weeks heavy episodic drinking rate -6.5 (22.3) -2.5 (22.4) -3.9 (5.1) 0.0 0.969
Change in usual heavy episodic drinking rate among past-30-days drinkers -16.9 (14.7) -16.1 (18.3) -17.8 (12.7) 0.1 0.994
Change in past-2-weeks heavy episodic drinking rate among those reporting no heavy drinking in high school -18.0 (36.6) 10.3 (22.0) 14.2 (6.7) 0.9 0.439