Table 3.
Odds Ratio (95% confidence interval) of Taking a Daytime Nap in LIFE-P Study.*
| Unit/Reference† | Unadjusted | Adjusted ‡ | Fully Adjusted Model§ | ||||
|---|---|---|---|---|---|---|---|
| Odds ratio | Confidence interval | Odds ratio | Confidence interval | Odds ratio | Confidence interval | ||
| Age | Year | .98 | (.94–1.03) | –– | –– | .99 | (.94–1.04) |
| Race | White | 1.02 | (.65–1.6) | 1.02 | (0.64–1.6) | 1.01 | (.61–1.66) |
| Sex | Woman | 1.91|| | (1.24–2.93) | 1.77|| | (1.13–2.75) | 1.87|| | (1.18–2.96) |
| Body Mass Index | 1 SD¶ | 1.03 | (1.0–1.06) | –– | –– | 1.02 | (.98–1.06) |
| Diabetes (n=90) | None | 2.17|| | (1.39–3.41) | 2.04§ | (1.28–3.23) | 1.87|| | (1.17–3.01) |
*
Only variables with a significance level of p ≤.10 in univariate, logistic regression, or linear regression models.
†
The reference group does not have the characteristic; Units for continuous variables approximate 1 standard deviation.
‡
Adjusted for sex, race, and clinical site.
§
Adjusted for gender, race, clinical site, body mass index (kg/m2), education, marital status, the Modified Mini-Mental State Examination score, Center for Epidemiologic Studies Depression score, the energy/fatigue score, the pain frequency score, and diagnosis of diabetes mellitus.
||
p ≤.01.
¶
Standard Deviation (SD)