Suicidal ideation in Chinese patients with advanced breast cancer: a multi-center mediation model study

BMC Psychology

Table 2 Discrepancy of physical and psychological variables between patients with and without suicide ideation (SI)

Variables	Total	Without SI (n = 372) M ± SD/n (%)	With SI(n = 79)M ± SD/n (%)	χ²	p	Effect size: Cramer’s V/ε²
HADS	11.47 ± 7.224	9.67 ± 6.366	16.92 ± 6.327	——	——	——
	HADS<15	307(78.9)	34(29.3)	100.286	<0.001***	0.446
	HADS ≥ 15	82(21.1)	82(70.7)	100.286	<0.001***	0.446
PHQ-9	6.40 ± 4.821	5.04 ± 4.007	10.28 ± 3.860	——	——	——
	PHQ-9<10	342 (87.9)	46(39.7)	116.924	<0.001***	0.481
	PHQ-9 ≥ 10	47(12.1)	70(60.3)	116.924	<0.001***	0.481
ISI	6.69 ± 6.101	5.91 ± 5.692	9.23 ± 6.386	——	——	——
	ISI<15	352 (90.5)	90(77.6)	13.623	<0.001***	0.164
	ISI ≥ 15	37 (9.5)	26 (22.4)	13.623	<0.001***	0.164
Equation 5D5L value	0.819 ± 0.230	0.852 ± 0.196	0.708 ± 0.292	46.363	<0.001***	0.091(ε²)
Equation 5D5L VAS	71.66 ± 20.231	75.55 ± 19.031	62.98 ± 21.107	33.742	<0.001***	0.066(ε²)
MDASI-Fatigue	2.73 ± 2.594	2.37 ± 2.431	3.57 ± 2.709	——	——	——
	Fatigue<5	303 (78.1)	71 (61.2)	13.303	<0.001***	0.162
	Fatigue ≥ 5	85 (21.9)	45 (38.8)	13.303	<0.001***	0.162
MDASI-Upset	2.36 ± 2.488	2.02 ± 2.335	3.28 ± 2.615	——	——	——
	Upset<5	319 (82.9)	76 (65.5)	13.975	<0.001***	0.167
	Upset ≥ 5	66 (17.1)	40 (34.5)	13.975	<0.001***	0.167
MDASI-Forgetfulness	2.29 ± 2.394	2.01 ± 2.294	3.30 ± 2.545	——	——	——
	Forgetfulness<5	317 (81.9)	82 (70.1)	7.619	0.006**	0.119
	Forgetfulness ≥ 5	70 (18.1)	35(29.9)	7.619	0.006**	0.119

***p<0.001; **p<0.01, *p<0.05
Cramer’s V: small ≥ 0.1, medium ≥ 0.3, large ≥ 0.5
Epsilon-squared (ε²): small ≥ 0.01, medium ≥ 0.06, large ≥ 0.14
Abbreviations: HADS-Hospital Anxiety and Depression Scale; PHQ-9-9 Item-Patients Health Questionnaire; ISI-Insomnia Severity Index; EQ-5D-5L- Five-level EuroQol five-dimensional questionnaire; MDASI- The MD Anderson Symptom Inventory.

ISSN: 2050-7283