Psychometric properties of the German version of the Pre-loss Grief Questionnaire (PG-12-R)

Figures & data

Table 1. Psychometric properties and factor loadings of the PG-12-R.

	M	SD	Skew	Kurt	rit	Cron-bach’s α if item deleted	Factor load-ings
1. Longing or yearning for the loved one to become healthy	4.01	1.13	−1.15	.65	.45	.91	.51
2. Trouble doing things because of preoccupation with loved one	2.56	1.14	.19	−.88	.75	.89	.83
3. Confusion about role in life or diminished sense of self	2.34	1.19	.47	−.84	.74	.89	.81
4. Trouble believing loved one is really ill	2.84	1.35	.02	−1.18	.56	.90	.62
5. Avoiding of reminders that the loved one is ill	2.52	1.21	.32	−.84	.59	.90	.65
6. Emotional pain (e.g., anger, bitterness, sorrow) related to illness	3.00	1.17	−.19	−.79	.60	.90	.66
7. Trouble reengaging in life (e.g., problems engaging with friends, pursuing interests, planning for the future)	2.12	1.11	.59	−.74	.75	.89	.83
8. Feeling of emotionally numbness or detachment from others since loved one’s illness	2.13	1.07	.55	−.72	.81	.88	.88
9. Feeling that life is meaningless because of loved one’s illness	1.84	1.09	1.08	.12	.66	.89	.75
10. Feeling alone or lonely since loved one’s illness	2.01	1.11	.78	−.42	.69	.89	.79

Note. N = 352, M = Mean, SD = standard deviation, skew = skewness, kurt = kurtosis, r_it = corrected item-total correlation, Scale range 1–5.

Figure 1. Comparison between eigenvalues from principal component analysis of PG-12-R and eigenvalues from parallel analysis from random data (median of 1000 replications).

Table 2. Bivariate Pearson’s correlations between PG-12-R symptom score (sum of 10 items) and related constructs.

Variable, M (SD)	r	Significance p
WHO-5, 13.79 (5.81)	−.487	<.001
Perception of illness as violent, 5.03 (1.59)	.353	<.001
Perception of loved one suffering from illness, 5.57 (1.42)	.250	<.001
Perceived longevity of illness, 5.64 (1.31)	.267	<.001
Unpreparedness for death, 4.03 (1.62)	.246	<.001
Time since diagnosis, 32.48 (35.57)	−.106	.049

Data availability statement

The data that support the findings of this study are available from the corresponding author, [VS], upon reasonable request.