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Table 2 Fit statistics and reliability (Cronbach’s alpha) of the dimensions of the COS-AAA
| Dimensions (Number of items) | CLR-χ2 | Degrees of freedom | P | Cronbach’s alpha |
|---|---|---|---|---|
| Anxiety (7) | 21.71 | 16 | 0.1528 | 0.789 |
| Behavioural (7) | 24.54 | 19 | 0.1761 | 0.804 |
| Behavioural (6) minus item 9 | 10.00 | 16 | 0,8667 | 0.804 |
| Sense of dejection (6) | 37.24 | 16 | 0.0019d | 0.830 |
| Sense of dejection (6)c | 24.24 | 26 | 0.5622 | 0.830 |
| Sleep (4) | 51.19 | 11 | < 0.0001d | 0.807 |
| Sleep (3), minus item 23 | 6.55 | 8 | 0.5853 | 0.840 |
| Uncertainty about the result of the ultra sound examination (3)b | 10.13 | 7 | 0.1812 | 0.343 |
| Change in body perception (8) | 21.45 | 19 | 0.3124 | 0.838 |
| Guilt (2)b | 0.00 | 4 | 1.0000 | 0.594 |
| Fear and powerlessness (7) | 6.30 | 19 | 0.9971 | 0.849 |
| Negative experiences from the examination (2) | 4.93 | 4 | 0.2948 | 0.592 |
| Emotional reactions (3) | 2.38 | 6 | 0.8820 | 0.790 |
| Change in lifestyle (2) | 0 | 5 | 1.0000 | 0.600 |
| Better not knowing (2)b | 1.22 | 4 | 0.8753 | 0.704 |
| Fear of rupture (4) | 7.08 | 9 | 0.6286 | 0.779 |
| Sexuality (3)b | 1.8 | 8 | 0.9865 | 0.820 |
| Information (3)b | 24.77 | 8 | 0.0017d | 0.595 |
| Information (2), minus item 65 | 0 | 3 | 1.0000 | 0.937 |
| Stigmatised (4)a | 5.23 | 11 | 0.9193 | 0.873 |
| Self-blame for smoking (3)a | 5.24 | 8 | 0.7312 | 0.914 |
| Still regretful smoking (6)a | 4.92 | 5 | 0.4262 | 0.890 |
| Existential values (6) | 24.66 | 10 | 0.0061d | 0.832 |
| Relaxed/calm (3), item 3 possess DIF in relation to diagnosis | 3.11 | 5 | 0.6831 | 0.727 |
| Relaxed/calm (2), minus item 3 | 1.65 | 3 | 0.6474 | 0.716 |
| Social network (3) | 8.80 | 4 | 0.0662 | 0.766 |
| Impulsivity (6) | 4.83 | 11 | 0.9389 | 0.830 |
| Empathy (3) | 6.31 | 5 | 0.2776 | 0.619 |
