Psychological consistency network characteristics and influencing factors in patients after percutaneous coronary intervention treatment

Table 1 Comparison of sense of coherence scale-13 scores of patients after percutaneous coronary intervention with different demographic characteristics (n = 472), n (%)

Variables	Classification	Frequency	SOC-13 score, mean ± SD	t/F	P value
Age		63.28 ± 11.31	-	0.269	< 0.001
Gender	Male	324 (68.6)	54.56 ± 14.31	-2.420	0.16
	Female	148 (31.4)	58.04 ± 14.58
Residence	Rural	167 (35.4)	59.01 ± 14.32	3.754	< 0.001
	Urban	305 (64.6)	53.82 ± 14.31
Cigarette smoking	No	245 (51.9)	57.04 ± 14.50	2.865	0.58
	Give up smoking	86 (18.2)	55.45 ± 14.61
	Yes	141 (29.9)	53.38 ± 14.41
Drinking wine	No	282 (59.7)	56.43 ± 14.51	0.985	0.374
	Give up drinking	77 (16.3)	54.60 ± 15.29
	Yes	113 (23.9)	54.45 ± 14.14
Marriage	Unmarried	6 (1.3)	47.00 ± 15.74	0.916	0.433
	Married	443 (93.9)	55.77 ± 14.64
	Divorced	14 (3)	53.86 ± 17.24
	Others	9 (1.9)	58.67 ± 14.03
Education	Primary school education	196 (41.5)	51.27 ± 13.92	10.473	< 0.001
	Junior high school	182 (38.6)	58.39 ± 14.87
	High school education	74 (15.7)	59.45 ± 17.76
	College degree	13 (2.8)	66.46 ± 11.13
	Bachelor’s degree and above	7 (1.5)	47.29 ± 8.98
Monthly personal income (dollar)	< 1000	200 (42.4)	59.30 ± 14.67	12.5	< 0.001
	1000-3000	195 (41.3)	50.63 ± 13.203
	3000-6000	50 (10.6)	56.24 ± 14.69
	6000-8000	19 (4)	62.16 ± 10.92
	> 8000	8 (1.7)	68.13 ± 10.66
Occupation	Farmer	190 (40.3)	58.90 ± 14.43	4.194	0.001
	Laborer	39 (8.3)	52.82 ± 14.20
	Employee	57 (12.1)	53.93 ± 13.69
	Administrator	19 (4)	47.05 ± 13.11
	Individual	14 (3)	56.21 ± 16.02
	Others	153 (32.4)	54.03 ± 14.33
Keep up with the medical checkups	Yes	103 (21.8)	50.23 ± 12.68	-4.358	< 0.001
	No	369 (78.2)	57.17 ± 14.69
Previous surgery or not	Yes	89 (18.9)	54.24 ± 14.14	-1.021	0.308
	No	383 (81.1)	55.98 ± 14.64
Caregiver	Spouse	257 (54.4)	53.92 ± 14.41	5.242	< 0.001
	Child	173 (36.7)	59.31 ± 14.35
	Caregiver	33 (7)	49.79 ± 12.27
	Friends	2 (0.4)	51.50 ± 23.36
	Others	7 (1.5)	57.71 ± 5.939
Number of comorbidities		3.67 ± 1.58	-	-0.310	< 0.001
Duration of illness		4.17 ± 4.52	-	-0.186	< 0.001
Days of hospitalization		6.18 ± 2.39	-	-0.182	< 0.001
Hospitalization in the last five years		1.95 ± 0.83	-	-0.178	< 0.001

SOC: Sense of coherence.

Table 2 Correlation of sense of coherence scale-13 with Chinese version perceived stress scale and medical coping modes questionnaire in patients after percutaneous coronary intervention (n = 472)

Variable	mean ± SD	SOC	Sense of comprehensibility	Sense of control	Sense of significance	CPSS	Sense of tension	Loss of control	Medical coping modes questionnaire	Confront	Avoidance	Submission
SOC	55.65 ± 14.55	1
Sense of comprehensibility	20.72 ± 5.83	0.979b	1
Sense of control	18.09 ± 4.03	0.967b	0.920b	1
Sense of significance	16.85 ± 5.06	0.976b	0.930b	0.923b	1
CPSS	40.12 ± 4.26	-0.281b	-0.301b	-0.240b	-0.270b	1
Sense of tension	20.71 ± 3.92	-0.785b	-0.810b	-0.726b	-0.745b	0.485b	1
Loss of control	19.41 ± 4.16	0.452b	0.455b	0.438b	0.425b	0.567b	-0.445b	1
Medical coping modes questionnaire	49.77 ± 5.82	-0.435b	-0.435b	-0.400b	-0.429b	0.014	0.391b	-0.354b	1
Confront	20.46 ± 1.20	-0.118a	-0.131b	-0.099a	-0.109a	0.027	0.122b	-0.087	0.604b	1
Avoidance	16.79 ± 3.14	-0.464b	-0.459b	-0.433b	-0.460b	0.016	0.414b	-0.373b	0.950b	0.465b	1
Submission	12.51 ± 2.35	-0.397b	-0.399b	-0.363b	-0.393b	0.000	0.355b	-0.333b	0.900b	0.365b	0.781a	1

^aP < 0.05 (2-tailed).

^bP < 0.01 (2-tailed).

SOC: Sense of coherence; CPSS: Chinese version perceived stress scale.

Table 3 Multifactorial analysis of sense of coherence scale-13 scores in patients after percutaneous coronary intervention

Model	Classification	Standardized coefficient	t	Significance
Residence	-	Beta	-	-	VIF
	Constant	-	21.559	< 0.001	-
	Age	0.081	2.851	0.005	1.128
	Urban	0.116	2.489	0.013	1.384
Education	High school education	0.332	7.315	< 0.001	1.317
	College degree	0.322	6.678	< 0.001	1.492
	Bachelor’s degree and above	0.215	3.728	< 0.001	2.133
	Junior high school	0.085	1.94	0.053	1.239
Keep up with the medical checkups	Yes	0.146	3.346	0.001	1.215
CPSS	Sense of tension	-0.614	-18.218	< 0.001	1.586
	Loss of control	0.105	3.352	0.001	1.381
MCMQ	Confront	0.052	1.685	0.093	1.335
	Avoidance	-0.175	-3.698	< 0.001	3.135
	Submission	0.006	0.137	0.891	2.638
	Duration of illness	-0.059	-2.123	0.034	1.093

Dependent variable: Total consistency score, adjusted R2 = 0.663, F = 9.936, P < 0.001. VIF: Variance inflation factor; CPSS: Chinese version perceived stress scale; MCMQ: Medical coping modes questionnaire.