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. 2017 May 22;12(5):e0178181. doi: 10.1371/journal.pone.0178181

Table 3. Categorized results for insomnia (ISI), worry (PSWQ) and depression (ZSDS).

Questionnaire Trimester 1
N = 38
Trimester 2
N = 53
Trimester 3
N = 50
Total
N = 141
ZSDS
Absence of depression 28(73.7%) 37(69.8%) 33(66.0%) 98(69.5%)
Mild depression 7(18.4%) 15(28.3%) 16(32.0%) 38(27.0%)
Moderate depression 3(7.9%) 1(1.9%) 1(2.0%) 5(3.5%)
PSWQ
No clinically significant level of worry 14(36.8%) 21(39.6%) 15(30.0%) 50(35.5%)
Moderate level of worry 22(57.9%) 29(54.7%) 29(58.0%) 80(56.7%)
High level of worry 2(5.3%) 3(5.7%) 6(12.0%) 11(7.8%)
ISI
Lack of clinically significant insomnia 13(34.2%) 14(26.4%) 9(18.0%) 36(25.5%)
Subclinical insomnia 13(34.2%) 25(47.2%) 19(38.0%) 57(40.4%)
Moderate clinical insomnia 8(21.1%) 11(20.8%) 17(34.0%) 36(25.5%)
Severe clinical insomnia 4(10.5%) 3(5.7%) 5(10.0%) 12(8.5%)

No significant differences between trimesters (p-values >0.05; Fisher exact test).