Table III.

Adjusted ORs for the Computerized Hazard Discrimination Items

	Correct at Pre-test				Correct at Post-test
	Treatment		Control		Treatment		Control
Outcome Measure	n	%	n	%	n	%	n	%	Adjusteda OR	p	95% CI
Dangerous car 1	42		36		93		51				3.4–14.0
Dangerous car 1	52	38.9	53	35.6	93	86.1	61	50.5	6.9	<.001	8.4–102.0
Dangerous car 2	52	48.1	62	52.5	105	97.2	71	60.4	6.6	<.001	2.5–17.3
Dangerous car 3	81	70.4	62	61.4	107	94.4	87	70.3	6.0	.003	2.8–181.4
Sidewalk hazard—driveway	68	30.6	66	34.7	84	99.1	32	86.1	22.6	.003	4.9–18.7
Sidewalk hazard—pedestrian 2	33	30.6	88	34.7	84	77.8	96	31.7	9.5	.275	0.5–10.8
Sidewalk hazard—car turn	89	82.4	55	83.0	91	97.2	71	95.0	2.3	.275	1.2–4.6
Sidewalk hazard—car turn	62	63.9	67	54.5	97	84.3	76	70.3	2.3	.019	1.4–7.7
Sidewalk hazard—car in street	74	68.5	28	66.3	71	89.8	26	75.2	3.3	.005	3.6–13.5
Sidewalk hazard—traffic light	25	23.1	35	27.7	71	65.7	30	25.7	7.0	<.001	3.6–16.5
Sidewalk hazard—pedestrian 3	34	31.5	91	34.7	69	63.9	94	29.7	7.7	.556	0.4–5.1
Sidewalk hazard—pedestrian 3	95	88.9	92	90.1	102	94.4	94	93.1	1.5	.556	1.3–56.3
Street hazard—car approaching 1	95	88.0	78	91.1	105	98.1	84	93.1	8.7	.023	3.3–56.0
Street hazard—car approaching 1	82	75.9	71	77.2	90	97.2	80	83.2	13.0	.538	0.6–2.6
Street hazard—car door	80	74.1	78	70.3	97	83.3	86	79.2	1.3	.538	0.7–4.2
Street hazard—pedestrian	82	75.9	78	77.2	76	89.8	20	85.1	1.7	.237	6.6–29.0
Street hazard—driveway	19	17.6	25	24.8	76	70.4	58	19.8	1.4	.209	0.8–2.6

Note. An OR of 1.5 is considered a small effect, 2.5 a medium effect, and 4.3 a large effect.

^aORs are adjusted for pre-test response.