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Table 3 Factor matrix for the ULS-6 in suicide cases and living controls

From: The validity of proxy-based data on loneliness in suicide research: a case-control psychological autopsy study in rural China

Item description

Suicide cases (n = 242)

Living controls (n = 242)

Mean (SD)

Factor 1

Mean (SD)

Factor 1

1. I lack companionship.

2.75 (0.99)

0.849

1.98 (0.92)

0.793

2. There is no one I can turn to.

2.60 (0.94)

0.856

1.85 (0.83)

0.839

3. I feel left out.

2.67 (0.94)

0.916

1.81 (0.82)

0.880

4. I feel isolated from others.

2.52 (0.94)

0.898

1.77 (0.75)

0.875

5. I am unhappy being so withdrawn.

2.47 (0.90)

0.844

1.72 (0.71)

0.789

6. People are around me but not with me.

2.54 (0.99)

0.898

1.85 (0.83)

0.781

The total score of ULS-6

15.55 (5.00)

 

10.99 (4.01)

 

Eigenvalue

 

4.619

 

4.106

Proportion of explained variance (%)

 

76.991

 

68.425