Table 2.
Descriptive statistics of baseline sample characteristics
| N = 163 | Low Complaints | Perinatal Sleep Disruption | Insomnia Disorder | P | |
|---|---|---|---|---|---|
| Age in years, M (SD) | 33.35 (3.42) | 33.20 (3.67) | 32.50 (2.68) | 34.87 (2.53) | .028* |
| Race | |||||
| Caucasian, n (%) | 142 (87.1) | 91 (82.7) | 25 (92.6) | 26 (100.0) | .092 |
| Asian, n (%) | 18(11.0) | 17 (15.5) | 1 (3.7) | 0 (0.0) | |
| Other, n (%) | 3 (1.8) | 2 (1.8) | 1 (3.7) | 0 (0.0) | |
| Marital status | |||||
| Married/De facto, n (%) | 157 (96.3) | 107 (97.3) | 25 (92.6) | 25 (96.2) | .557 |
| Never married, n (%) | 6 (3.7) | 3 (2.7) | 2 (7.4) | 1 (3.8) | |
| Employment | |||||
| Not working, n (%) | 6 (3.7) | 3 (2.7) | 2 (7.4) | 1 (3.8) | .620 |
| Working part time, n (%) | 31 (19.0) | 19 (17.3) | 5 (18.5) | 7 (26.9) | |
| Working fulltime, n (%) | 126 (77.3) | 88 (80.0) | 20 (74.1) | 18 (69.2) | |
| Education | |||||
| Less than Bachelor, n (%) | 18 (11.0) | 15 (13.6) | 3(11.1) | 0 (0.0) | .230 |
| Bachelor, n (%) | 56 (34.4) | 35 (31.8) | 12 (44.4) | 9 (34.6) | |
| Postgraduate, n (%) | 89 (54.6) | 60 (54.5) | 12 (44.4) | 17 (65.4) | |
| Mental health history† | |||||
| None, n (%) | 120 (73.6) | 88 (80.0) | 19 (70.4) | 13 (50.0) | .013* |
| Past not current, n (%) | 40 (24.5) | 21 (19.1) | 8 (29.6) | 11 (42.3) | |
| Current, n (%) | 3 (1.8) | 1 (0.9) | 0 (0.0) | 2 (7.7) | |
| FIRST, M (SD) | 21.25 (5.46) | 20.22 (5.26) | 21.74 (5.30) | 25.12 (4.77) | .001* |
†Established using structured clinical interview.
FIRST, Ford Insomnia Response to Stress Test.
*P <. 05. M (mean) and SD (standard deviation) are presented for continuous variables, and n (%) are presented for categorical variables.