Table 2.
Stochastic Search Variable Selection and Multiple Linear Regression Models
| Model 1: PrEP Cascade | ||||
|---|---|---|---|---|
|
| ||||
| Predictors | Descriptive Statistics of Predictor Variable (Mean/SD + Range or Frequency/%) | SSVS Marginal Inclusion Probability (N=252)♦ | Multiple Linear Regression Model (N=281)♦ | |
|
| ||||
| B (SE) | Effect Size (semi-partial correlation, sr) | |||
| PrEP knowledge (objective) | 7.95 (3.43); Range: 0–13 | 1.00 | 0.21 (0.03)** | 0.38 |
|
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| Discrimination: income | 6.16 (2.09); Range: 5–18 | 0.84 | −0.09 (0.04)* | −0.11 |
|
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| Sexual behavior (ref: not sexually active): | 31 (10.7%) | |||
| Sexually active meeting CDC PrEP guidelines | 156 (53.8%) | 0.82 | 0.58 (0.26)* | 0.10 |
| Sexually active | 100 (34.5%) | 0.20 | −0.09 (0.27) | −0.01 |
|
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| PrEP facilitators: altruism | 3.77 (1.50); Range: 1–5 | 0.68 | 0.11 (0.06)+ | 0.08 |
|
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| PrEP self-efficacy | 3.19 (0.60); Range: 1–4 | 0.55 | 0.33 (0.15)* | 0.10 |
|
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| PrEP barriers: mistrust | 2.35 (0.96); Range: 1–5 | 0.54 | −0.18 (0.09)* | −0.09 |
|
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| Concealment motivation | 3.38 (1.57); Range: 1–6 | 0.53 | 0.17 (0.05)** | 0.15 |
|
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| PrEP facilitators: navigation support | 3.84 (1.25); Range: 1–5 | 0.40 | 0.17 (0.08)* | 0.10 |
|
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| PrEP barriers: negative experience | 1.50 (1.16); Range: 1–5 | 0.39 | −0.14 (0.07)* | −0.09 |
|
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| Financial stress | 3.15 (1.22); Range: 1–5 | 0.29 | −0.14 (0.06)* | −0.10 |
|
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| PrEP stigma | 1.99 (0.84); Range: 1–4.60 | 0.26 | −0.22 (0.10)* | −0.10 |
|
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| Model 2: Behavioral Health Treatment Cascade | ||||
|
| ||||
| Predictors | Descriptive Statistics of Predictor Variable (Mean/SD + Range or Frequency/%) | SSVS Marginal Inclusion Probability (N=253)♦ | Multiple Linear Regression Model (N=284)♦ | |
|
| ||||
| B (SE) | Effect Size (semi-partial correlation, sr) | |||
|
| ||||
| A doctor or provider suggested treatment | 28 (9.7%) | 1.00 | 1.18 (0.22)** | 0.35 |
|
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| Perceived self to need treatment | 168 (57.9%) | 1.00 | 0.92 (0.14)** | 0.27 |
|
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| Would seek family/friend support for BH | 252 (86.9%) | 0.96 | −0.69 (0.19)** | −0.15 |
|
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| High perceived community norms for BH treatment | 33 (11.4%) | 0.96 | 0.87 (0.19)** | 0.19 |
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| Friend/partner/family suggested treatment | 99 (34.1%) | 0.93 | 0.54 (0.15)** | 0.15 |
|
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| BH facilitators: BH being normalized | 3.34 (1.25); Range: 1–5 | 0.59 | −0.22 (0.06)** | −0.14 |
|
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| BH facilitators: knowledge | 3.84 (1.33); Range: 1–5 | 0.47 | 0.21 (0.06)** | 0.15 |
|
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| Attribute MH concerns to environment/culture | 203 (70.0%) | 0.45 | 0.30 (0.14)* | 0.09 |
|
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| Discrimination: immigration status | 5.34 (1.36); Range: 5–18 | 0.21 | −0.10 (0.05)* | −0.09 |
Note. The full list of marginal inclusion probabilities for each model is included in Electronic Supplementary Tables 1 and 2.
**
p < .01
*
p < .05
+
p < .10