Table 2. Item Statistics.

	Endorsement Rate (%)	Mean (SD) Score	Item-Total Correlation coefficient	Factor 1	Factor 2	Factor 3	Factor 4	Factor 5	CG	PGD	PCBD
2. intense feelings sorrow/pain	86.1	2.8 (0.5)	0.29	0.841	-0.023	-0.133	-0.010	0.084			✓
1. yearning/longing	88.3	2.8 (0.5)	0.25	0.758	0.133	-0.189	-0.008	-0.026	✓	✓	✓
18. see, hear, touch, smell, spend time with deceased belongings	48.8	2.1 (0.9)	0.24	0.606	0.017	0.057	0.024	-0.440	✓
3. thoughts/images of deceased	76.2	2.6 (0.7)	0.21	0.547	0.088	-0.265	0.036	0.116	✓
20. thinking hearing her/his voice, seeing him/her	10.3	1.3 (0.6)	0.18	0.511	-0.060	0.109	0.003	-0.137	✓
16. encounter reminders, physical reactions	35.6	1.8 (0.9)	0.23	0.431	0.003	0.047	-0.130	0.207	✓
15. encounter reminders, intense emotional reaction	73.7	2.6 (0.7)	0.31	0.393	-0.046	0.159	0.083	0.249	✓
4. lost or absorbed in thoughts/daydreams	50.2	2.1 (0.9)	0.35	0.441	0.152	0.104	0.082	-0.093
17. visit cemetery/time with ashes to feel close	47.3	2.1 (0.9)	0.17	0.391	0.140	0.003	0.027	-0.393	✓
14. avoid getting rid of possessions	45.6	2 (0.9)	0.28	0.226	0.055	0.053	0.165	0.189	✓
5. think/worry about how/why died	65.8	2.4 (0.8)	0.19	0.099	0.599	-0.229	0.014	0.089	✓		✓
7. shocked/stunned	42.7	1.9 (1)	0.26	0.050	0.591	0.179	-0.115	-0.014	✓	✓	✓
6. trouble accepting	56.9	2.2 (0.9)	0.32	0.071	0.544	0.017	0.206	-0.057	✓	✓	✓
29. concerned/uncertain about role in the world/identity	53.7	2.2 (0.9)	0.32	-0.141	0.037	0.557	0.346	0.047			✓
31. grief interfering with ability to work/socialize/function	85.8	2.8(0.5)	0.38	0.257	0.014	0.589	-0.039	0.471	✓	✓	✓
30. difficult to pursue plans for future because can't share anymore	55.9	2.2 (0.9)	0.41	0.158	-0.080	0.564	0.312	-0.051		✓	✓
23. difficulty trusting others without similar loss	42.4	1.9 (1)	0.30	-0.028	0.295	0.559	-0.103	0.080	✓	✓	✓
12. worry about not managing w/out person	38.4	1.9 (0.9)	0.40	-0.072	0.276	0.522	0.294	-0.132	✓
24. difficult to feel close to others	59.8	2.3 (0.9)	0.33	0.040	0.018	0.552	-0.009	0.331	✓		✓
8. emotionally numb	52.0	2.1 (0.9)	0.18	0.096	-0.043	0.519	-0.060	-0.065	✓	✓	✓
25. lonely, all alone in world	74.0	2.6 (0.8)	0.32	-0.107	0.096	0.473	0.355	0.100	✓		✓
28. hard to experience joy/satisfaction	60.9	2.4 (0.8)	0.42	0.158	-0.067	0.471	0.323	0.123
22. wish to die, life not worth living	17.8	1.5 (0.8)	0.40	-0.003	0.032	-0.061	1.059	0.041	✓
21. wish to die, join person	16.0	1.4 (0.8)	0.38	0.223	-0.017	-0.011	0.729	-0.028	✓		✓
27. life empty/no purpose	53.4	2.2 (0.9)	0.51	0.065	-0.012	0.466	0.655	-0.026	✓	✓	✓
13. avoid anything because it's a reminder	66.9	2.4 (0.9)	0.27	0.000	0.166	0.187	0.051	0.549	✓	✓	✓
9. difficulty having positive memories	19.6	1.4 (0.8)	0.04	-0.127	-0.054	0.022	0.050	0.547			✓
11. guilty/self-blaming thoughts about death	64.8	2.4 (0.9)	0.18	0.005	0.319	-0.117	0.062	0.380	✓		✓
10. bitter or angry about death	76.9	2.6 (0.8)	0.13	-0.038	0.280	-0.006	-0.033	0.348	✓	✓	✓
26. envious of others without loss	33.1	1.9 (0.9)	0.20	0.060	0.151	0.084	0.048	0.179	✓
19. feel pain/symptoms deceased had	9.6	1.2 (0.6)	0.07	-0.013	0.252	-0.009	0.003	-0.007	✓

Notes: CG: Complicated Grief; PGD: Prolonged Grief Disorder; PCBD: Persistent Complex Bereavement Disorder

Items are listed per their factor loadings. Factor loadings retained for each factor are bolded and factor loadings < 0.34 are grayed out.