Table 1.
Demographic and Self-Report Measures for Women in the Early Menopausal Transition With and Without Insomnia Assessed at the Initial Visit
| Women With Insomnia Mean ± SD | Women Without Insomnia Mean ± SD | t or χ2 | P Value | |
|---|---|---|---|---|
| Sample size | 11 | 9 | ||
| Age, y | 49.6 ± 3.2 | 47.8 ± 2.1 | 1.58 | .13 |
| BMI, kg/m−2 | 24.0 ± 4.2 | 24.2 ± 3.8 | −0.12 | .91 |
| Education, y | 16.3 ± 2.1 | 16.6 ± 1.3 | −0.36 | .73 |
| Caucasian, n | 10 | 7 | 0.67 | .41 |
| Being in a relationship, n | 9 | 7 | 0.05 | .82 |
| Employed, n | 10 | 7 | 0.67 | .41 |
| Have children, n | 10 | 7 | 0.67 | .41 |
| Past history of DSM-IV major depression or alcohol/substance abuse/dependence, n | 3 | 1 | 0.81 | .37 |
| PSQI total scoresa | 8.4 ± 3.4 | 3.7 ± 1.4 | 4.38 | <.001 |
a
Analysis based on log-transformed data.