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. 2026 Aug 19;55(6):2701–2721. doi: 10.1007/s10508-026-03500-7

Table 2.

Longitudinal changes in mechanisms of action across implementation periods of PEACHES

Pre-PEACHES Post-workshop Post-PEACHES Pre-PEACHES v. Post-workshop Pre- v. Post-PEACHES
Mean (SD) Mean (SD) Mean (SD) MD (% MD) t (df) p-value MD (% MD) t (df) p-value
Knowledge† 51.3 (22.7) 89.5 (10.5) 79.0 (27.8) 38.2 (74%) 14.44 (63)  < .0001 27.7 (54%) 7.05 (64)  < .0001
Skills 2.80 (1.42) 5.19 (0.69) 5.19 (0.76) 2.4 (49%) 12.02 (60)  < .0001 2.4 (48%) 11.88 (55)  < .0001
Positive emotions 4.13 (1.25) 4.92 (0.92) 4.89 (1.02) 0.8 (16%) 5.23 (60)  < .0001 0.7 (14%) 4.36 (54)  < .0001
Negative emotions 2.65 (1.38) 2.06 (1.39) 2.06 (1.34) − 0.5 (− 11%) − 2.32 (58) .0237 − 0.7 (− 14%) -3.58 (52) .0007
Professional role and identity 4.70 (0.97) 5.27 (0.79) 5.26 (0.87) 0.6 (12%) 4.34 (62)  < .0001 0.5 (10%) 3.50 (57) .0009
Informational resources 3.34 (1.41) 5.60 (0.47) 5.51 (0.53) 2.3 (46%) 12.52 (61)  < .0001 2.2 (44%) 11.21 (56)  < .0001
Organizational context and Resources 4.15 (0.99) 4.68 (1.13) 4.73 (1.00) 0.5 (10%) 3.73 (62) .0004 0.4 (9%) 3.17 (56) .0025
self-efficacy†† 3.94 (1.44) 5.14 (0.74) 4.85 (0.88) 1.2 (24%) 6.23 (60)  < .0001 0.9 (19%) 4.80 (55)  < .0001
Ease/confidence Offering Social Support††† 4.03 (0.93) 4.41 (0.52) 4.35 (0.56) 0.37 (9%) 3.35 (63) .0014 0.32 (8%) 2.87 (58) .0058
Comfort with anal health assessment (“asking clients about…”)
sexual orientation 3.45 (0.79) 3.67 (0.56) 3.59 (0.65) 0.22 (5%) 2.50 (63) .0151 0.14 (3%) 1.59 (57) .1175
concerns about HIV/STIs 3.54 (0.64) 3.63 (0.60) 3.53 (0.70) 0.08 (2%) 1.22 (63) .2281 -0.07 (-2%) -0.66 (58) .5096
anal sex practices 2.60 (1.20) 3.22 (0.77) 3.25 (0.81) 0.59 (15%) 4.23 (63)  < .0001 0.63 (16%) 4.11 (56) .0001
concerns about anal sex, apart from HIV/STIs 2.65 (1.28) 3.17 (0.77) 3.33 (0.71) 0.50 (13%) 3.55 (63) .0007 0.67 (17%) 3.78 (57) .0004
Comfort with anal health promotion
Starting a conversation about anal health, apart from HIV/STIs 2.49 (1.26) 3.11 (0.80) 3.14 (0.83) 0.59 (15%) 3.86 (63) .0003 0.60 (15%) 3.22 (57) .0021
Responding to concerns about anal health, apart from HIV/STIs 2.46 (1.16) 3.14 (0.75) 3.25 (0.69) 0.67 (17%) 4.77 (63)  < .0001 0.82 (21%) 5.20 (56)  < .0001
Advising how to lessen contact with feces during anal sex 2.17 (1.34) 3.34 (0.78) 3.14 (0.93) 1.14 (29%) 6.85 (63)  < .0001 0.90 (22%) 4.80 (57)  < .0001
Advising how to reduce pain during anal sex †††† 2.17 (1.39) 3.34 (0.74) 3.24 (0.73) 1.14 (29%) 7.04 (63)  < .0001 1.00 (25%) 5.08 (57)  < .0001
Advising how to make anal sex more pleasurable 2.14 (1.46) 3.20 (0.86) 3.02 (0.95) 1.03 (26%) 6.30 (63)  < .0001 0.81 (20%) 3.93 (57) .0002
Conducting a sexual history focused on anal sex * 2.42 (1.34) 3.18 (0.80) 3.10 (0.92) 0.73 (18%) 4.63 (55)  < .0001 0.66 (17%) 3.28 (49) .0019
Collecting anorectal swabs * 3.33 (0.77) 3.67 (0.49) 3.35 (0.79) 0.33 (8%) 1.84 (17) .0827 0 (0) 0.00 (16) 1
Conducting an anorectal exam †††† * 2.64 (1.28) 3.29 (0.91) 2.85 (0.99) 0.64 (16%) 1.80 (13) .0951 0.23 (6%) 0.56 (12) .5845

Comparisons by timepoint are based only on participants with data at both timepoints; statistical tests compare paired responses and may reflect a reduced sample size. †Significant difference between Post-Workshop and Post-PEACHES driven by three items. See Supplemental Table 1 for statistics for each item

††Significant difference between Post-Workshop and Post-PEACHES for Self-efficacy. See Supplemental Table 2 for statistics for each item

†††Significant difference between Post-Workshop and Post-PEACHES. See Supplemental Table 3 for statistics for each item

††††Significant differences between Post-Workshop and Post-PEACHES for advising on pain (MD =  − 0.17, % MD = -4%, t(57) =  − 2.01, p = .049) and conducting an anorectal exam (MD =  − 0.54, % MD =  − 14%, t(12) =  − 2.21, p = .047)

*For Comfort items, Pre-PEACHES N = 65, Post-Workshop N = 64, Post-PEACHES N = 59, except last three items were calculated by excluding ‘5 Not part of my role’ across timepoints