Research Article
Minority Breast Cancer Survivors: The Association between Race/Ethnicity, Objective Sleep Disturbances, and Physical and Psychological Symptoms
Table 5
Multiple regression analysis of race/ethnicity and symptoms in relation to sleep actigraphy parameters (
).
| Dependent variable | Primary predictors | Unstandardized coefficient | Standardized coefficients | | value | Adjusted squared | | Std. error | |
| SOL (minutes) | Race/ethnicity | −2.72 | 5.22 | −0.091 | −0.522 | 0.603 | | Depression | −0.262 | 0.505 | −0.104 | −0.519 | 0.605 | | Depression by race/ethnicity | 0.617 | 0.304 | 0.502 | 2.03 | 0.046* | | | | | | | | 0.110 |
| SOL (minutes) | Race/ethnicity | −6.44 | 6.65 | −0.216 | −0.968 | 0.336 | | Fatigue | −2.69 | 2.81 | −0.195 | −0.959 | 0.341 | | Fatigue by race/ethnicity | 3.39 | 1.57 | 0.596 | 2.17 | 0.033* | | | | | | | | 0.090 |
| SE (percent) | Race/ethnicity | 0.722 | 1.94 | 0.082 | 0.372 | 0.711 | | Fatigue | 0.280 | 0.819 | 0.069 | 0.342 | 0.733 | | Fatigue by race/ethnicity | −0.774 | 0.456 | −0.463 | −1.70 | 0.094 | | | | | | | | 0.101 |
| SE (percent) | Race/ethnicity | −2.62 | 1.35 | −0.299 | −1.94 | 0.056* | | Pain | −1.14 | 0.717 | −0.339 | −1.59 | 0.117 | | Pain by race/ethnicity | −0.298 | 0.410 | 0.177 | 0.727 | 0.469 | | | | | | | | 0.064 |
| WASO (minutes) | Race/ethnicity | 2.89 | 4.95 | 0.090 | 0.585 | 0.560 | | Pain | 6.43 | 2.64 | 0.522 | 2.44 | 0.017* | | Pain by race/ethnicity | −1.98 | 1.51 | −0.322 | −1.32 | 0.192 | | | | | | | | 0.064 |
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SE: sleep efficiency; SOL: sleep-onset latency; WASO: wake after sleep onset.
*Correlations are significant at the 0.05 level.
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