Table 2.
Mean SDQ7 scores by patient characteristics
| na (%) | Mean (SD) | t | P valueb | |
|---|---|---|---|---|
| Sex | ||||
| Female | 72 (25.3) | 11.9 (7.0) | -0.48 | 0.632 |
| Male | 213 (74.7) | 12.4 (7.4) | ||
| Childhood abuse | ||||
| No | 176 (66.9) | 11.3 (7.0) | ||
| Yes | 87 (33.1) | 14.3 (7.4) | -3.30 | 0.001 |
| Marital status | ||||
| Not married | 138 (48.4) | 13.1 (7.3) | ||
| Married | 147 (51.6) | 11.5 (7.3) | 1.78 | 0.076 |
| Employment | ||||
| No | 171 (60.2) | 12.6 (7.4) | ||
| Yes | 113 (39.8) | 11.7 (7.2) | 1.09 | 0.275 |
| Drug use (past 28 days) | ||||
| No | 245 (86.0) | 12.2 (7.4) | ||
| Yes | 40 (14.0) | 12.6 (6.9) | -0.32 | 0.753 |
| Smoking | ||||
| No | 59 (20.7) | 13.4 (7.9) | ||
| Yes | 226 (79.3) | 12.0 (7.3) | 1.33 | 0.186 |
a
Sample sizes for some variables are less than 285 due to missing data.
b
Significant values bolded. SD, standard deviation; SDQ7, 7-item Sleep Disorders Questionnaire Insomnia Subscale.