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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
 
From:
Arch Gen Psychiatry. Author manuscript; available in PMC 2013 July 25.
Published in final edited form as:
Arch Gen Psychiatry. 2009 July; 66(7): 692–698.
doi: 10.1001/archgenpsychiatry.2009.66

Table 1

Baseline Characteristics of Participants

CharacteristicInternet
(n = 22)
Control
(n = 22)
Total
(n = 44)
P Value*
Age44.68 (10.61)45.05 (11.67)44.86 (11.03).91
Gender
 Women181634.47
 Men4610
Marital Status
 Married181230.10
 Separated/Divorced055
 Never Married347
 Other112
Years of Education16.50 (3.11)16.68 (2.64)16.59 (2.86).84
History of Sleep Difficulties, Mean Months121.73 (99.12)132.45 (115.94)127.09 (106.73).74
Sleep Difficulties (Nights per Week)**5.14 (1.54)5.91 (1.24)5.52 (1.43).07
*P values are based on analysis of variance or Pearson χ2 tests.
**Nights per Week refers to the number of nights per week experiencing sleep difficulties.