Table 2.

Observed Mean (and Standard Deviation) Percent Days Heavy Drinking (PDHD) for Patients and Dyadic Adjustment Scale (DAS) Scores for Partners at Pretreatment and Follow-up Assessment Points

Assessment Point
Treatment Condition	Pretreatment	Posttreatment	3-month	6-month	9-month	12-month
Gay Couples
PDHD
BCT	41.94 (18.73)	5.99 (13.62)	8.10 (13.14)a	13.65 (18.95)a	17.21 (21.04)a	18.00 (20.48)a
IBT	43.84 (21.63)	5.30 (14.91)	15.38 (14.03)	25.42 (21.06)	29.42 (22.61)	32.16 (23.47)
DAS
BCT
Patient	88.23 (22.91)	119.37 (12.66)a	113.60 (14.93)a	109.53 (16.21)a	106.28 (19.32)a	106.00 (22.83)a
Partner	80.20 (24.31)	109.03 (15.91)	104.68 (15.84)	103.87 (18.43)	106.12 (20.49)	100.42 (21.94)
IBT
Patient	86.84 (23.11)	110.41 (14.25)	100.74 (16.39)	95.4 (18.21)	93.82 (19.27)	92.04 (20.31)
Partner	79.36 (22.81)	101.39 (13.62)	91.46 (17.02)	90.63 (19.28)	86.58 (21.64)	86.16 (22.04)
Lesbian Couples
PDHD
BCT	38.62 (16.44)	5.07 (14.12)	7.38 (16.28)a	11.91 (15.83)a	13.77 (22.13)a	15.71 (20.42)a
IBT	39.80 (19.74)	5.27 (14.09)	13.62 (15.93)	20.62 (18.26)	26.19 (24.10)	27.92 (20.65)
DAS
BCT
Patient	92.73 (20.41)	111.37 (12.66)a	107.29 (14.27)a	104.93 (17.50)a	102.34 (20.66)a	101.42 (22.83)a
Partner	86.27 (23.63)	106.03 (15.91)	99.12 (15.13)	98.87 (16.30)	98.66 (20.49)	100.20 (23.71)
IBT
Patient	93.20 (23.11)	103.22 (15.23)	97.71 (17.85)	95.38 (19.47)	93.09 (20.27)	92.00 (22.65)
Partner	87.24 (22.81)	99.98 (16.52)	90.89 (18.46)	91.02 (20.80)	91.91 (23.64)	87.68 (22.73)

Note. BCT = behavioral couples therapy treatment condition; IBT = individual-based treatment condition.

^aindicated BCT had significantly different scores than those in IBT at the assessment period, based on pairwise contrasts (all ps < .05).