Table 2

Sleep complaints reported by pregnant women: with and without a medical history of mood/anxiety disorder, Seattle and Tacoma, Washington, USA, 2003-2006
Physician diagnosed mood/anxiety
Yes No
N=68 N=1,264
Sleep complaints Mean ± SD or % Mean ± SD or % P-value
Sleep hours during pregnancy (hours) 7.6 ± 1.7 7.8 ± 1.3 0.34*
≤6 23.5 13.7 0.08**
7-8 45.6 55.0
≥9 29.4 30.8
Missing 1.5 0.5
Epworth sleepiness scale during pregnancy (score) 8.0 ± 3.4 7.6 ± 3.4 0.39*
Normal (0–9) 66.2 72.3 0.53**
Borderline (10–12) 22.0 18.8
Abnormal (13–24) 11.8 8.9
Vital exhaustion during pregnancy
Never 27.9 52.7 <0.001**
Infrequently 29.4 23.7
Frequently 17.7 9.8
Very frequently 25.0 12.9
Missing 0.0 0.9
Perceived stress scale (score) 5.1 ± 2.5 3.8 ± 2.3 <0.001*
0-3 25.0 47.4 <0.001**
4-6 44.1 39.4
7-12 30.9 10.7
Missing 0.0 2.5

*P-value from Student’s t test for continuous variable; **P-value from Chi-square test.

Qiu et al.

Qiu et al. BMC Pregnancy and Childbirth 2012 12:104   doi:10.1186/1471-2393-12-104

Open Data