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Table 1 BDI factor analysis *

From: The relationship between mood and sleep in different female reproductive states

 

F1

F2

F3

F4

Sumsqr

#1 sadness

0.099

0.445

0.304

0.268

0.372

#2 pessimism

−0.027

0.032

0.306

0.213

0.141

#3 past failure

0.243

0.224

0.039

0.493

0.354

#4 loss of pleasure

−0.178

0.980

0.025

−0.005

0.993

#5 guilty feelings

0.390

0.175

0.258

0.227

0.301

#6 punishment feelings

0.928

0.286

−0.005

−0.239

1.000

#7 self-dislike

0.295

−0.073

−0.034

0.199

0.133

#8 worthlessness

−0.022

0.172

0.289

0.147

0.135

#10 crying

0.062

0.051

0.322

−0.031

0.111

#11 irritability

0.012

0.207

0.099

0.313

0.151

#12 lost interest in people

0.168

0.375

0.183

0.060

0.206

#13 indecisiveness

−0.033

0.133

0.158

0.582

0.383

#14 looking ugly

0.115

0.445

−0.019

0.238

0.269

#15 impaired work capability

0.074

−0.149

−0.036

0.482

0.262

#16 changed sleep pattern

0.153

0.087

0.218

0.554

0.385

#17 fatigue or tiredness

0.003

0.175

−0.105

0.476

0.269

#18 lost appetite

−0.033

−0.110

0.984

−0.104

0.993

#20 worries about health

0.295

0.486

0.006

0.099

0.333

#21 lost interest in sex

−0.077

0.377

0.058

0.521

0.423

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1.372

2.211

1.544

2.088

 
  1. *Items with no (# 9: suicidal ideation) or one (# 19: weight loss) positive answer excluded from the analysis. Weighted loadings at each factor in boldface.
  2. Abbreviations: F1 punishment/guilty feelings, F2 dissatisfaction, F3 depressive-emotional symptoms, F4 depressive-somatic symptoms.