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Table 4 Factor Structure of PASS-S

From: Sinhala translation of the Perinatal Anxiety Screening Scale: a valid and reliable tool to detect anxiety disorders among antenatal women

Factors Factor
1 2 3 4
1. “Acute anxiety and adjustment”
 25. Losing track of time and can’t remember what happened .775    
 27. Anxiety getting in the way of being able to do things .754    
 29. Fear of losing control .751    
 30. Feeling panicky .744    
 28. Racing thoughts making it hard to concentrate .688    
 26. Difficulty adjusting to recent changes .684    
 23. Avoiding things which concern me .658    
 24. Feeling detached like you’re watching yourself in a movie .632    
 21. Feeling really uneasy in crowds .543    
 22. Avoiding social activities because I might be nervous .440    
 7. Really strong fears about things, eg needles, blood, birth, pain, etc .428    
 31. Feeling agitated .413   .-367  
2.Social anxiety, specific fears and trauma”
 19. Worry that I will embarrass myself in front of others   .719   
 1. Worry about the baby/pregnancy   .611   
 4. Worry about many things   .602   
 20. Fear that others will judge me negatively   .487   
 5. Worry about the future   .407   .301
 18. Upset about repeated memories, dreams or nightmares   .421   
 3. A sense of dread that something bad is going to happen .334 .364   
 17. Being ‘on guard’ or needing to watch out for things .301 .319   
3. “Perfectionism &control
 11. Having to do things in a certain way or order    −.587  
 12. Wanting things to be perfect .324   −.560  
 13. Needing to be in control of things    −.703  
 14. Difficulty stopping checking or doing things over and over    −.645  
 15. Feeling jumpy or easily startled    −.596  
 16. Concerns about repeated thoughts    −.646  
4. “General anxiety”
 6. Feeling overwhelmed     .726
 10. Difficulty sleeping even when I have the chance to sleep     .534
 2. Fear that harm will come to the baby    −.336 .509
 9. Repetitive thoughts that are difficult to stop or control     .399
 8. Sudden rushes of extreme fear or discomfort     .465