Table 2.

Exposure- and Patient Level Descriptive Statistics

	Exposure-Level (N = 459)								Patient-Level (N = 86)
	Low Feara		Moderate Fearb		High Fearc		Overall		Overall
Exposure Duration (minutes)	M (SD)	% presentd	M (SD)	% presentd	M (SD)	% presentd	M (SD)	% present	M (SD)	% presente
Total Duration	4.6 (4.8)	95.9	4.8 (5.9)	74.1	0.7 (2.9)	13.5	10.1	--	82.7 (54.5)	--
Duration excl. after habituationf	3.9 (4.5)	94.8	3.6 (5.1)	73.6	0.6 (2.8)	12.2	8.1	--	63.2 (43.1)	--
Therapist Behaviors (percent time)g
Encourage Approach	22.1 (21.6)	94.3	30.0 (24.7)	94.675	22.2 (23.4)	87.5	23.1 (14.9)	97.6	24.9 (15.0)	100.0
Intensify	3.3 (7.2)	43.0	3.9 (8.6)	46.5	2.67 (13.5)	25.0	3.2 (5.8)	59.9	3.0 (3.6)	90.8
Discourage Accommodation	> 0.1 (0.3)	0.9	< 0.1 (0.2)	2.1	< 0.1 (0.1)	1.8	< 0.1 (0.3)	2.6	< 0.1 (0.1)	11.5
Exposure Teaching	1.6 (4.9)	20.7	3.27 (8.5)	34.0	1.7 (3.5)	33.9	2.9 (4.9)	42.5	3.0 (4.5)	75.9
Externalizing	2.2 (8.6)	32.2	2.7 (5.16)	45.3	3.4 (3.0)	44.6	3.0 (6.7)	54.3	3.3 (5.7)	82.8
Change Thoughts	0.4 (2.3)	6.9	2.7 (9.6)	20.7	1.2 (4.4)	19.6	1.4 (4.7)	21.4	2.1 (6.0)	50.6
Accommodation	0.6 (2.8)	17.5	1.7 (3.8)	35.5	3.2 (6.3)	53.6	1.2 (2.7)	40.5	1.5 (2.7)	79.3
Unrelated Talk	2.7 (8.7)	18.9	3.5 (11.6)	25.2	2.0 (5.8)	23.2	3.6 (9.1)	31.4	3.6 (7.5)	60.9
Relaxation	< 0.1 (0.4)	1.2	< 0.1 (0.2)	1.2	< 0.1 (0.1)	1.8	< 0.1 (0.1)	1.7	< 0.1 (0.3)	5.8

^afear 0–1 out of 5;

^bfear 2–3 out of 5;

^cfear 4–5 out of 5;

^dpercent exposures in which variable was observed;

^epercent patients in which variable was observed,

^fduration of exposure excluding any time that occurred after an instance of habituation;

^gpercent time behavior was observed (of total time at fear level or overall)