Table 4.

Results of factor analysis: factor structure and factor loadings

PASS Items	Factor 1	Factor 2	Factor 3	Factor 4
Factor 1: Acute anxiety, Social Anxiety, and Dissociation
8.Sudden rush of extreme fear or discomfort	0.55
15.Feeling jumpy or easily startled	0.64
19.Worry that I will embarrass myself in front of others	0.64
20.Fear that others will judge me negatively	0.55
21.Feeling really uneasy in crowds	0.73
22.Avoiding social activities because I might be nervous	0.65
24.Feeling detached like watching yourself in a movie	0.70
25.Loosing track of time and can’t remember what happened	0.59
23. Avoiding things which concern me	0.70
28.Racing thoughts making it hard to concentrate	0.51
29.Fear of losing control	0.62
30.Feeling panicky	0.78
31.Feeling agitated	0.82
Factor 2: Specific Fears, and trauma
1.Worry about baby/pregnancy		0.59
2.Fear that harm will come to the baby		0.72
3.A sense of dread that something will come to the baby		0.62
4.Worry about many things		0.68
5.Worry about the future		0.40
7.Really strong fears about things (needles, blood, birth, pain)		0.44
9.Repetitive thoughts that are difficult to stop or control		0.54
10.Difficulty sleeping even when I have the chance to sleep		0.53
16.Concerns about repeated thoughts		0.52
18.Upset about repeated memories, dreams, or nightmares		0.49
Factor 3: General Anxiety and Adjustment
6.Feeling overwhelmed			0.47
17. Being on guard or needing to watch out for things			0.62
26.Difficulty adjusting for recent changes			0.72
27.Anxiety getting in the way of being able to do things			0.51
Factor 4: Perfectionism and Control
11. Having to do things in a certain way or order				0.44
12.Wanting things to be perfect				0.76
13.Needing to be control of things				0.66
14.Difficulty stopping checking things over and over				0.57
Variance (%) (total: 54.53%)	37.12	7.51	5.20	4.11