Table 2.

Direct effects of Peer Hero Training Program on first-aid efforts over time, N = 566.

	Alcohol First-Aid Efforts	Drug First-Aid Efforts	Mental Health First-Aid Efforts	Academic First-Aid Efforts
	IRR (95% CI)	IRR (95% CI)	IRR (95% CI)	IRR (95% CI)
Investigational Training Program Effects over Time
Baseline -> Follow-up 1	5.21(2.38 - 11.42)***	2.38(0.63 - 8.99)	1.80(1.26 - 2.57)**	1.57(0.98 - 2.52)
Baseline -> Follow-up 2	10.70(4.83 - 23.70)***	13.94(3.69 - 52.62)***	2.96(2.05 - 4.26)***	3.43(2.11 - 5.57)***
Attitudinal Measures
Perceived Referral Barriers	0.97(0.94 - 0.99)*	0.94(0.89 - 0.98)*	1.01(0.99 - 1.02)	1.01(0.99 - 1.03)
Referral Anticipatory Anxiety	1.00(0.95 - 1.06)	1.04(0.96 - 1.13)	0.96(0.92 - 0.97)*	0.97(0.94 - 1.01)
Referral Self-efficacy	0.93(0.87 - 0.99)*	1.00(0.91 - 1.10)	0.98(.94 - 1.01)	0.96(0.92 - 0.99)*
Perceived Referral Norms- Alcohol Use	1.03(0.99 - 1.06)	--	--	--
Perceived Referral Norms- Drug Use	--	0.95(0.91 - 0.99)*	--	--
Perceived Referral Norms- Mental Health	--	--	1.03(1.01 - 1.05)**	--
Covariates (Baseline)
Gender (male)	0.97(0.61 - 1.55)	2.77(1.41 - 5.46)**	0.62(0.50 - 0.77)***	0.93(0.69 - 1.25)
Race (White)	0.86(0.51 - 1.45)	0.31(0.15 - 0.63)**	1.05(0.83 - 1.33)	0.61(0.44 - 0.83)**
Age	1.16(0.93 - 1.46)	1.14(0.82 - 1.58)	1.18(1.06 - 1.32)**	1.13(0.97 - 1.31)
Returning RA Status	0.91(0.56 - 1.49)	1.66(0.82 - 3.36)	1.64(1.30 - 2.06)***	1.86(1.35 - 2.56)***

^*p < 0.05,

^**p < 0.01,

^***p < 0.001

Note: No assessment was made of perceived referral norms for academic problems.

IRR = Incidence Rate Ratio.