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. 2021 Jan 19;7(1):e38. doi: 10.1192/bjo.2020.170

Table 4.

Linear regression models for depression (PHQ-9) and anxiety (GAD-7) at wave 4, predicted by use of strategies and their perceived helpfulness (n = 192)

PHQ-9 (wave 4) GAD-7 (wave 4)
Estimate s.e. t P-value Estimate s.e. t P-value
Intercept 14.963 2.519 5.939 (Reference) 10.475 2.233 4.690 (Reference)
Mindfulness
Used/not helpful −0.773 1.383 −0.559 0.577 −1.297 1.226 −1.058 0.292
Used/helpful −3.564 1.450 −2.458 0.015 −3.420 1.286 −2.660 0.009
Did not use (Reference) (Reference)
Breathing exercises
Used/not helpful 0.657 1.367 0.481 0.631 0.422 1.212 0.349 0.728
Used/helpful 3.377 1.542 2.191 0.030 3.364 1.367 2.461 0.015
Did not use (Reference) (Reference)
Progressive muscle relaxation
Used/not helpful 1.958 1.299 1.507 0.134 1.742 1.152 1.512 0.132
Used/helpful 0.533 1.387 0.384 0.701 1.045 1.230 0.850 0.397
Did not use (Reference) (Reference)
Challenging dysfunctional thoughts
Used/not helpful −1.339 1.213 −1.104 0.271 −0.017 1.076 −0.016 0.987
Used/helpful −0.536 1.344 −0.399 0.690 −0.825 1.191 −0.693 0.489
Did not use (Reference) (Reference)
Thought records
Used/not helpful 0.941 1.311 0.718 0.474 1.897 1.162 1.632 0.105
Used/helpful −0.917 1.563 −0.587 0.558 −0.219 1.386 −0.158 0.875
Did not use (Reference) (Reference)
Pleasant events scheduling
Used/not helpful 1.687 1.194 1.413 0.160 1.637 1.059 1.546 0.124
Used/helpful 1.088 1.276 0.853 0.395 0.938 1.132 0.829 0.408
Did not use (Reference) (Reference)
Planning ‘worry’ time
Used/not helpful 1.404 1.633 0.860 0.391 0.171 1.448 0.118 0.906
Used/helpful −0.935 2.207 −0.424 0.672 0.481 1.957 0.246 0.806
Did not use (Reference) (Reference)
Flash cards
Used/not helpful −0.450 1.706 −0.264 0.792 −1.198 1.513 −0.792 0.429
Used/helpful 5.478 2.540 2.157 0.032 2.564 2.251 1.139 0.256
Did not use (Reference) (Reference)
Using a diary
Used/not helpful −0.749 1.423 −0.526 0.599 −0.819 1.262 −0.649 0.517
Used/helpful −1.156 1.399 −0.826 0.410 −0.670 1.240 −0.540 0.590
Did not use (Reference) (Reference)
Exercise
Used/not helpful 0.758 1.690 0.448 0.655 0.939 1.499 0.627 0.532
Used/helpful −1.430 1.619 −0.884 0.378 −0.574 1.435 −0.400 0.690
Did not use (Reference) (Reference)
Gender
Female −0.898 0.886 −1.013 0.312 −0.478 0.786 −0.609 0.544
Male (Reference) (Reference)
Education
Certificate/diploma 0.331 1.064 0.312 0.756 −0.522 0.943 −0.553 0.581
Bachelor's degree −1.180 1.111 −1.062 0.290 −1.398 0.985 −1.419 0.158
Higher degree 0.335 2.379 0.141 0.888 −0.977 2.109 −0.463 0.644
No response −5.597 4.014 −1.394 0.165 −6.308 3.558 −1.773 0.078
High school or less (Reference) (Reference)
Age, years −0.159 0.030 −5.254 <0.001 −0.106 0.027 −3.959 <0.001

Significant results are indicated in bold. PHQ-9, Patient Health Questionnaire-9; GAD-7, Generalized Anxiety Disorder-7 scale.