Table 3.
Linear Regressions Predicting Mental Health Outcomes (at 12-month follow-up) from Sleep Quality Trajectory, N = 505
| Outcome 1: Depression |
Outcome 2: Anxiety |
Outcome 3: Self-Efficacy for Condom Use |
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|---|---|---|---|---|---|---|---|---|---|
| ARR | p | 95% CI | ARR | p | 95% CI | ARR | p | 95% CI | |
| Constant | 1.11 | .34 | [0.89, 1.38] | 1.03 | .82 | [0.83, 1.27] | 0.82 | .10 | [0.65, 1.04] |
| Age | 1.00 | .69 | [0.99, 1.01] | 1.00 | .90 | [0.99, 1.01] | 1.00 | .81 | [0.99, 1.01] |
| Race and Ethnicity (ref. White) | |||||||||
| Black or Hispanic/Latino | 0.85 | .05 | [0.73, 1.00] | 0.91 | .26 | [0.78, 1.07] | 1.27 | <.01 | [1.07, 1.51] |
| Study Arm (ref. Control) | |||||||||
| Intervention | 1.10 | .21 | [0.95, 1.29] | 1.12 | .14 | [0.96, 1.30] | 1.10 | .25 | [0.93, 1.31] |
| Relationship Status (ref. Single) | |||||||||
| Partnered | 0.86 | .08 | [0.73, 1.02] | 0.96 | .65 | [0.82, 1.13] | 1.17 | .10 | [0.97, 1.40] |
| Viral Load at Screener (ref. Undetectable) | |||||||||
| Detectable (≥200 copies) | 1.06 | .58 | [0.87, 1.29] | 1.06 | .55 | [0.87, 1.29] | 1.15 | .19 | [0.93, 1.43] |
| Education (ref. Less than college) | |||||||||
| College degree or more | 0.87 | .10 | [0.74, 1.03] | 0.90 | .20 | [0.76, 1.06] | 1.04 | .71 | [0.86, 1.24] |
| Income (ref. less than $20K) | |||||||||
| $20K - $49,999 | 0.93 | .46 | [0.77, 1.12] | 0.88 | .16 | [0.73, 1.06] | 1.16 | .14 | [0.95, 1.42] |
| $50K or more | 0.87 | .22 | [0.69, 1.09] | 0.84 | .12 | [0.61, 1.05] | 1.01 | .91 | [0.79, 1.30] |
| Baseline Score on Outcome* | 1.32 | <.001 | [1.26, 1.39] | 1.34 | <.001 | [1.27, 1.40] | 1.10 | <.001 | [1.08, 1.12] |
| SQ (ref. Good SQ, Maintained) | |||||||||
| Bad SQ, Improved | 1.00 | .99 | [0.80, 1.24] | 1.01 | .91 | [0.82, 1.26] | 0.73 | <.01 | [0.57, 0.92] |
| Good SQ, Worsened | 1.55 | <.01 | [1.19, 2.01] | 1.54 | <.01 | [1.19, 2.00] | 0.69 | .02 | [0.51, 0.94] |
| Bad SQ, Maintained | 1.58 | <.001 | [1.30, 1.93] | 1.51 | <.001 | [1.24, 1.83] | 0.86 | .15 | [0.70, 1.06] |
| Model Statistics: | Model χ2(12) = 181.05 p < .001 |
Model χ2(12) = 189.01 p < .001 |
Model χ2(12) = 141.25 p < .001 |
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Note. SQ = Sleep Quality; ARR = adjusted rate ratio; CI = confidence interval; ref. = referent. Bolded results are significant at p < .05 or less. Depressive and anxious symptoms assessed at baseline and 12-month follow-up using the PHQ-2 and GAD-2 (Kroenke et al., 2010).