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. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: AIDS Care. 2021 Feb 8;33(6):767–785. doi: 10.1080/09540121.2021.1874273

Table 5.

Descriptive Statistics of Change from Baseline for Primary and Secondary Outcomes by Intervention Condition.

HIV Intervention (N=52) General Health (N=56)
n Mean (SD) or %
Median (IQR)
n Mean (SD) or %
Median (IQR)
P-value1 Effect Size2
Change from Baseline in Proportion of Condom Use for Vaginal Sex in the Past 3 Months
3 Months 16 0.21 (0.39)
0 (0, 0.50)
13 −0.02 (0.53)
0 (−0.33, 0.33)
0.1976 0.06
6 Months 8 0.01 (0.35)
0 (0, 0.20)
6 0.22 (0.53)
0.07 (0, 0.67)
0.4655 0.04
12 Months 5 0.04 (0.43)
0 (−0.20, 0)
7 0.52 (0.41)
0.50 (0, 1)
0.0833 0.23
Change from Baseline in Number of Sexual Partners in the Past 3 Months
3 Months 32 0.22 (1.60)
0 (−1, 0.50)
23 2.35 (10.76)
0 (−1, 1)
0.6045 0.005
6 Months 13 −0.54 (0.97)
−1 (−1, 0)
14 −0.57 (2.77)
0 (−1, 1)
0.2375 0.05
12 Months 11 −0.09 (0.94)
0 (−1, 0)
9 −0.56 (2.92)
0 (0, 0)
0.7307 0.005
Sex with More than One Person in the Same Day
3 Months 38 Yes to Yes 10.5%
Yes to No 7.9%
No to Yes 5.3%
No to No 76.3%
31 Yes to Yes 22.6%
Yes to No 16.1%
No to Yes 3.2%
No to No 58.1%
0.3360 0.23
6 Months 17 Yes to Yes 5.9%
Yes to No 11.8%
No to Yes 0%
18 Yes to Yes 27.8%
Yes to No 0%
No to Yes 5.6%
0.0832 0.41
12 Months 11 No to No 82.4%
Yes to Yes 18.2%
Yes to No 0%
No to Yes 9.1%
No to No 72.7%
11 No to No 51.4%
Yes to Yes 18.2%
Yes to No 18.2%
No to Yes 9%
No to No 54.6%
0.7470 0.32
Sex with More than One Person in the Same Month
3 Months 38 Yes to Yes 23.7%
Yes to No 7.9%
No to Yes 15.8%
No to No 52.6%
31 Yes to Yes 45.2%
Yes to No 12.9%
No to Yes 9.7%
No to No 32.3%
0.1851 0.27
6 Months 17 Yes to Yes 23.5%
Yes to No 11.8%
No to Yes 23.5%
No to No 41.2%
18 Yes to Yes 44.4%
Yes to No 5.6%
No to Yes 5.6%
No to No 44.4%
0.3784 0.32
12 Months 11 Yes to Yes 18.2%
Yes to No 18.2%
No to Yes 18.2%
No to No 45.4%
11 Yes to Yes 45.4%
Yes to No 18.2%
No to Yes 18.2%
No to No 18.2%
0.3971 0.34
Sex While Already in a Sexual Relationship with Someone Else
3 Months 37 Yes to Yes 8.1%
Yes to No 13.5%
No to Yes 10.8%
No to No 67.6%
31 Yes to Yes 32.3%
Yes to No 9.7%
No to Yes 6.5%
No to No 51.6%
0.0978 0.31
6 Months 17 Yes to Yes 17.7%
Yes to No 11.8%
No to Yes 11.8%
No to No 58.8%
18 Yes to Yes 33.3%
Yes to No 11.1%
No to Yes 5.6%
No to No 50%
0.8237 0.20
12 Months 11 Yes to Yes 9.1%
Yes to No 18.2%
No to Yes 18.2%
No to No 54.6%
11 Yes to Yes 36.4%
Yes to No 9%
No to Yes 9%
No to No 45.6%
0.5621 0.34
Change from Baseline in Alcohol Use Past 30 Days
3 Months 10 0.0 (0.47)
0.0 (0, 0)
8 −0.38 (0.74)
−0.50 (−1, 0)
0.1604 0.10
6 Months 2 0.50 (0.71)
0.5 (0, 1)
6 −1.50 (2.17)
−1 (−3, 0)
0.2857 0.18
12 Months 4 −0.25 (0.50)
0.0 (−0.5, 0)
5 −1.60 (2.41)
−1 (−3, 0)
0.5000 0.05
Change from Baseline in Marijuana Use in the Past 30 Days
3 Months 12 0.67 (3.28)
1 (−0.5, 2)
15 −1.53 (4.0)
0 (−3,0)
0.1012 0.10
6 Months 7 −1.0 (2.94)
−1 (−4, 0)
8 −0.88 (1.96)
−0.5 (−1.5, 0.5)
0.8014 0.004
12 Months 5 −0.4 (4.72)
0.0 (−5, 2)
4 −0.75 (1.71)
−0.5 (−2, 0.5)
0.9603 <0.001
Change from Baseline in Condom Use Prevention Beliefs
Immediate Post 47 0.20 (1.15)
0.0 (−0.33, 0.67)
48 −0.11 (0.84)
0.0 (−0.33, 0.33)
0.3265 0.01
3 Months 38 0.27 (1.23)
0.0 (−0.33,0.33)
33 −0.09 (0.83)
0.0 (−0.67, 0.33)
0.6942 0.002
6 Months 17 0.43 (1.30)
0.0 (−0.33, 1)
19 0.02 (0.93)
0.0 (−1, 0.67)
0.4731 0.01
12 Months 11 0.61 (1.39)
0 (0, 2)
12 0.0 (0.94)
0.0 (−0.67, 0.33)
0.3616 0.04
Change from Baseline in Condom Use Attitude
Immediate Post 43 −0.09 (0.94)
0 (−0.33, 0.33)
46 −0.19 (0.74)
0 (−0.33, 0.33)
0.4786 0.01
3 Months 38 −0.05 (0.8)
0 (0, 0.33)
32 −0.04 (0.81)
0 (−0.5, 0.5)
0.9138 <0.001
6 Months 17 −0.29 (1.06)
0 (−0.67, 0.33)
19 −0.26 (0.56)
0 (−0.67, 0)
0.7820 0.002
12 Months 11 −0.39 (1.04)
0 (−1.33, 0.33)
10 −0.13 (0.82)
0 (−0.33, 0)
0.8858 0.001
Change from Baseline in Condom Use Availability
Immediate Post 45 −0.02 (0.79)
0 (−0.25, 0.5)
46 −0.24 (0.69)
0 (−0.75, 0.25)
0.1581 0.02
3 Months 36 0.03 (0.66)
0 (−0.5, 0.25)
30 −0.04 (0.90)
0 (−0.5, 0.5)
0.7424 0.002
6 Months 17 0.09 (0.84)
0 (−0.25, 0.5)
17 0.06 (0.58)
0 (−0.25, 0.25)
0.7941 0.002
12 Months 11 0.09 (0.80)
0.5 (−0.75, 0.75)
10 0 (0.71)
0 (−0.5, 0.25)
0.6966 0.01
Change from Baseline in Condom Use Hedonistic Beliefs
Immediate Post 43 0.17 (0.40)
0.17 (−0.17, 0.33)
44 0.10 (0.38)
0.17 (−0.08, 0.33)
0.8408 <0.001
3 Months 35 0.04 (0.30)
0 (−0.17, 0.33)
30 0.09 (0.40)
0.17 (−0.17, 0.33)
0.5161 0.01
6 Months 17 0.02 (0.34)
0 (−0.17, 0.33)
18 0.02 (0.41)
0 (−0.17, 0.33)
0.7395 0.003
12 Months 11 0.02 (0.46)
0 (−0.17, 0.33)
9 0.04 (0.48)
0 (−0.17, 0)
0.7850 0.004
Change from Baseline in Condom Use Impulsivity
Immediate Post 44 −0.19 (1.0)
0 (−0.67, 0.33)
45 0.12 (0.92)
0 (−0.33, 0.33)
0.5863 0.003
3 Months 37 −0.23 (0.91)
0 (−0.67, 0.33)
31 0.08 (0.99)
0 (−0.67, 0.67)
0.2483 0.02
6 Months 17 −0.29 (1.24)
0 (−1.0, 0.33)
18 0.07 (1.21)
0 (−0.67, 1.0)
0.5237 0.01
12 Months 11 −0.27 (1.08)
−0.33 (−0.67, 0.67)
10 −0.27 (0.98)
0 (−0.67, 0)
>0.9999 <0.001
Change from Baseline in Con idom Use Negotiation Beliefs
Immediate Post 42 −0.03 (0.83)
0 (−0.2, 0.2)
45 −0.13 (0.89)
0 (−0.4, 0.2)
0.6874 0.002
3 Months 34 0.16 (0.60)
0.20 (0, 0.4)
32 −0.11 (0.87)
0 (−0.7, 0.3)
0.0585 0.05
6 Months 17 0 (0.73)
0 (0, 0.4)
18 0.02 (0.86)
0 (−0.4, 0)
0.1832 0.05
12 Months 11 0 (0.46)
0 (−0.2, 0.4)
10 −0.04 (0.82)
0 (−0.6, 0)
0.3212 0.05
Change from Baseline in Condom Use Self-Efficacy
Immediate Post 41 −0.01 (0.75)
0 (−0.33, 0.33)
41 −0.14 (0.66)
−0.08 (−0.42, 0.17)
0.4806 0.01
3 Months 34 0.12 (0.55)
0.08 (−0.08, 0.42)
29 −0.11 (0.71)
−0.08 (−0.5, 0.33)
0.1339 0.04
6 Months 17 0.13 (0.71)
0.33 (−0.25, 0.5)
16 −0.04 (0.62)
−0.12 (−0.33, 0.21)
0.2135 0.05
12 Months 11 0.11 (0.43)
0.25 (−0.33, 0.5)
10 0.02 (0.70)
−0.08 (−0.33, 0.08)
0.2171 0.07
Change from Baseline in Condom Use Subjective Norm
Immediate Post 43 0.03 (0.90)
0 (0, 0.5)
47 −0.15 (0.95)
0 (−0.5, 0.5)
0.3225 0.01
3 Months 38 0.20 (0.92)
0 (0, 0)
32 −0.09 (0.89)
0 (−0.5, 0.5)
0.6821 0.002
6 Months 17 0.15 (0.90)
0 (0, 0)
19 −0.18 (0.97)
0 (−1, 0.5)
0.2548 0.04
12 Months 11 0.18 (1.06)
0 (−1, 1)
11 0.14 (1.38)
0.5 (−1, 1.5)
0.9472 <0.001
Change from Baseline in Condom Use Technical Skills
Immediate Post 41 0.0 (1.03)
0 (−0.5, 0.5)
44 −0.14 (0.97)
0 (−0.5, 0.5)
0.5131 0.01
3 Months 35 0.2 (0.81)
0 (0, 1)
32 −0.09 (0.89)
0.0 (−0.5, 0.5)
0.2420 0.02
6 Months 17 0.24 (0.79)
0.5 (0, 0.5)
18 −0.03 (0.88)
0 (−0.5, 0)
0.1529 0.06
12 Months 11 0.18 (0.51)
0 (0, 0.5)
10 −0.15 (0.97)
0 (−1, 0)
0.1492 0.10
Change from Baseline in Condom Knowledge
6 Months 17 0.14 (0.32)
0.2 (0, 0.20)
18 0.13 (0.31)
0 (0, 0.20)
0.6864 0.01
12 Months 11 0.05 (0.27)
0 (−0.2, 0.20)
12 0.12 (0.45)
0.20 (0, 0.20)
0.1978 0.07
Change from Baseline in Anger Inhibition Scale
Immediate Post 45 0.05 (0.60)
0 (−0.25, 0.5)
49 0.10 (0.49)
0.25 (−0.25, 0.5)
0.6647 0.002
3 Months 38 −0.01 (0.68)
0 (−0.5, 0.5)
33 0 (0.52)
0.0 (−0.25, 0.25)
0.9212 <0.001
6 Months 17 0.18 (0.56)
0.25 (−0.25, 0.5)
20 0.04 (0.47)
0.13 (−0.25, 0.25)
0.4959 0.01
12 Months 11 0.09 (0.82)
−0.25 (−0.25, 0.5)
12 0.10 (0.60)
0.25 (−0.25, 0.5)
0.6834 0.01
Change from Baseline in Anger Dysregulation Scale
Immediate Post 46 0.04 (0.61)
0 (−0.33, 0.33)
49 0.10 (0.48)
0 (0, 0.33)
0.7143 0.001
3 Months 37 −0.08 (0.58)
0 (−0.33, 0.33)
33 0.09 (0.43)
0 (0, 0.33)
0.1064 0.04
6 Months 17 0.02 (0.48)
0 (−0.33, 0.33)
20 0.02 (0.46)
0 (−0.33, 0.33)
0.9630 <0.001
12 Months 11 0.18 (0.92)
0 (−0.67, 0.67)
12 0 (0.53)
0 (−0.33, 0.33)
0.8771 0.001
Change from Baseline in Anger Coping Scale
Immediate Post 46 0.01 (0.47)
0 (−0.25, 0.25)
49 0.07 (0.36)
0 (−0.25, 0.25)
0.4386 0.01
3 Months 38 0.07 (0.47)
0 (−0.25, 0.5)
33 0.02 (0.38)
0 (−0.25, 0.25)
0.7103 0.002
6 Months 17 0.28 (0.4)
0.5 (0, 0.5)
18 0.06 (0.48)
0.13 (−0.25, 0.25)
0.1458 0.06
12 Months 11 −0.16 (0.39)
−0.25 (−0.5, 0.25)
12 0.06 (0.37)
0 (−0.25, 0.38)
0.1148 0.11
Change from Baseline in Sadness Inhibition Scale
Immediate Post 44 −0.02 (0.57)
0 (−0.25, 0.25)
44 0.08 (0.60)
0 (−0.25, 0.38)
0.3965 0.01
3 Months 38 0.11 (0.64)
0 (−0.25, 0.5)
33 −0.03 (0.48)
0 (−0.25, 0.25)
0.4629 0.01
6 Months 17 0.07 (0.65)
0 (−0.25, 0.25)
19 −0.01 (0.52)
0 (−0.5, 0.25)
0.7722 0.002
12 Months 11 0.09 (0.63)
0 (−0.5, 0.5)
12 0.17 (0.75)
0.13 (−0.5, 0.88)
0.8039 0.003
Change from Baseline in Sadness Dysregulation Scale
Immediate Post 44 0.17 (0.54)
0 (−0.33, 0.33)
44 0.27 (0.65)
0.33 (0, 0.67)
0.1913 0.02
3 Months 37 0.17 (0.51)
0 (0, 0.33)
33 0.14 (0.53)
0 (0, 0.67)
0.9855 <0.001
6 Months 17 0.16 (0.5)
0 (−0.33, 0.67)
18 0.15 (0.51)
0 (0, 0.67)
0.8646 0.001
12 Months 11 0.55 (0.65)
0.67 (0, 1)
12 0.11 (0.64)
0 (0, 0.5)
0.2304 0.06
Change from Baseline in Sadness Coping Scale
Immediate Post 44 0.06 (0.52)
0 (−0.2, 0.4)
42 0 (0.51)
0 (−0.2, 0.4)
0.6859 0.002
3 Months 37 0.08 (0.56)
0 (−0.2, 0.4)
32 0 (0.42)
0 (−0.2, 0.4)
0.6020 0.004
6 Months 17 0.32 (0.58)
0.20 (−0.2, 0.8)
17 0.02 (0.48)
−0.2 (−0.4, 0.6)
0.2254 0.04
12 Months 11 −0.02 (0.68)
−0.2 (−0.6, 0.4)
12 0.17 (0.67)
0 (−0.4, 0.7)
0.5578 0.02
Change from Baseline in Pro-Black Ethnic Identity Score
Immediate Post 45 0.13 (0.39)
0 (0, 0.29)
47 0.11 (0.48)
0.14 (0, 0.43)
0.4412 0.01
3 Months 38 0.10 (0.36)
0 (−0.14, 0.29)
32 0.04 (0.37)
0 (−0.14, 0.14)
0.6182 0.004
6 Months 16 0.11 (0.43)
0.14 (−0.07, 0.36)
20 0.14 (0.38)
0 (0, 0.29)
0.9356 <0.001
12 Months 11 0.14 (0.34)
0.14 (−0.14, 0.29)
12 0.23 (0.32)
0.14 (0, 0.43)
0.6874 0.01
Change from Baseline in Anti-White Ethnic Identity Score
Immediate Post 44 −0.07 (0.56)
0 (−0.25, 0.25)
44 −0.06 (0.51)
0 (−0.38, 0.25)
0.8953 <0.001
3 Months 36 0 (0.48)
0 (−0.25, 0.25)
27 0.03 (0.49)
0 (−0.25, 0.25)
0.8935 <0.001
6 Months 15 −0.25 (0.64)
0 (−.05 0.25)
17 0.04 (0.48)
−0.25 (−0.25, 0.25)
0.3480 0.03
12 Months 11 −0.05 (0.6)
0 (−0.5, 0.5)
11 0.02 (0.43)
0 (−0.25, 0.25)
0.8155 0.002
Change from Baseline in Racism Awareness Ethnic Identity Score
Immediate Post 42 0.07 (0.45)
0 (−0.2, 0.4)
43 0.01 (0.55)
0 (−0.2, 0.4)
0.9612 <0.001
3 Months 35 0.17 (0.5)
0.2 (−0.2, 0.4)
31 0.19 (0.58)
0 (−0.2, 0.4)
0.6888 0.002
6 Months 16 −0.05 (0.51)
0 (−0.4, 0.2)
19 0.29 (0.6)
0.2 (0, 0.6)
0.1096 0.07
12 Months 11 0.02 (0.53)
0 (−0.4, 0.4)
12 0.07 (0.42)
−0.1 (−0.2, 0.4)
0.9015 0.001
Change from Baseline in Attitudes Toward Women Score
Immediate Post 40 1 (0.64)
1 (0.67, 1.46)
41 0.86 (0.83)
0.75 (0.25, 1.25)
0.1536 0.03
3 Months 34 0.01 (0.29)
0 (−0.17, 0.25)
27 0 (0.25)
−0.08 (−0.17, 0.17)
0.6104 0.004
6 Months 15 0.07 (0.36)
0.17 (−0.17, 0.42)
14 −0.04 (0.27)
−0.08 (−0.25, 0.17)
0.4187 0.02
12 Months 10 0.17 (0.42)
0.17 (0, 0.33)
11 −0.04 (0.32)
0 (−0.25, 0.17)
0.2730 0.06
Change from Baseline in HIV/STD Knowledge Scale Score
Immediate Post 45 0 (0.3)
0.06 (−0.17, 0.19)
45 −0.14 (0.26)
−0.13 (−0.3, −0.02)
0.0011 0.12
3 Months 35 0.06 (0.16)
0.07 (−0.07, 0.14)
30 −0.05 (0.31)
0 (−0.29, 0.21)
0.2478 0.02
6 Months 17 0.07 (0.24)
0.14 (0, 0.21)
18 0.06 (0.24)
0.04 (−0.07, 0.21)
0.4455 0.02
12 Months 11 0.06 (0.16)
0.07 (0, 0.21)
12 0.09 (0.31)
0.14 (0.04, 0.21)
0.3534 0.04
Change from Baseline in PHQ-9 Score
Immediate Post 47 −1.06 (2.03)
−1 (−2, 0)
51 0.10 (2.45)
0 (−1, 2)
0.0070 0.07
3 Months 38 −0.37 (2.52)
0 (−2, 0)
33 1.42 (4.93)
0 (0, 2)
0.0480 0.06
6 Months 17 −1.06 (3.77)
−2 (−3, 0)
22 0 (3.53)
0 (−2, 1)
0.1582 0.05
12 Months 11 −0.27 (4.45)
−2 (−3, 1)
13 0.08 (3.20)
0 (−1, 1)
0.4305 0.03

Note: SD=standard deviation; IQR=interquartile range

1

P-values are based on non-parametric exact Wilcoxon rank-sum tests for continuous variables and Fisher’s exact tests for categorical variables

2

Effect sizes are based on η2 (eta-squared) for continuous variables (small: 0.01, medium: 0.06, large: >0.14) and Cramer’s V for categorical variables (small: 0.10-0.29, medium: 0.30-0.50, large: >0.50).