Table 3:

Adjusted odds ratios of engagement

Selected Predictors of Engagement	Adjusted OR (95% CI)
a PNF Engagement
Pre-college binge frequency (Some vs. Never)	0.56 (0.36, 0.86)**
Readiness to change contemplation score (−8 to 8)	1.08 (1.01, 1.16)*
Baseline perceived norm % drink alcohol (10% increments, 0–100)	0.89 (0.79, 0.99)*
Family member with a drinking problem (Yes vs. No)	1.37 (0.93, 2.03)
a Self-Monitoring Engagement
Pre-college binge frequency (Some vs. Never)	0.59 (0.34, 1.03)
Average conformity motives score (0–5)	0.75 (0.56, 0.99)*
Greek life intention (Yes/Undecided vs. No)	0.68 (0.41, 1.15)
a Stage 1 Engagement
Pre-college binge frequency (Some vs. Never)	0.54 (0.36, 0.81)**
Greek life intention (Yes/Undecided vs. No)	0.68 (0.47, 0.99)*
Baseline perceived norm % binge (10% increment, 0–100)	0.91 (0.82, 1.01)
b Stage 2 Engagement
PNF engagement (Some vs. None)	2.97 (1.39, 6.32)**
Readiness to change action score (−8 to 8)	1.22 (1.04, 1.43)*
Readiness to change contemplation score (−8 to 8)	0.84 (0.72, 0.98)*
Average patient health questionnaire score (0–3)	1.71 (0.80, 3.65)
Family member with a drinking problem (Yes vs. No)	1.71 (0.82, 3.58)
Parents’ highest education (Less than bachelors vs. More)	1.93 (0.76, 4.87)

Note:

^aEngagement among API students (N=591).

^bEngagement in the assigned Stage 2 bridging strategy is only among heavy drinkers (N=158). Stage 1 engagement is engagement in both PNF and self-monitoring components.

^***p<0.001

^**p<0.01

^*p<0.05

PNF=Personalized Normative Feedback; OR=Odds Ratio; CI=Confidence Interval; Freq=frequency.