A Principal Component Analysis Approach to Maternal Mental Health Nursing Care

Comparison of SCL-90 score of pregnant women with different cultural degrees

Factor	Middle school and below	Vocational education	Undergraduate and above	F	P
	X±SD	X±SD	X±SD
Somatization	1.32±0.17	1.41±0.22	1.65±0.21	0.866	0.000**
Obsessive compulsive	1.45±0.15	1.53±0.13	1.55±0.12	0.410	0.562
Interpersonal sensitivity	1.61±0.15	1.59±0.16	1.57±0.14	0.746	0.426
Depression	1.52±0.21	1.59±0.23	1.90±0.17	0.085	0.000**
Anxiety	1.49±0.12	1.56±0.21	1.84±0.22	0.269	0.000**
Hostility	1.52±0.18	1.54±0.20	1.53±0.13	0.450	0.715
Photic anxiety	1.51±0.19	1.52±0.21	1.50±0.17	0.791	0.623
Paranoid ideation	1.59±0.15	1.54±0.17	1.58±0.22	0.433	0.425
Psychoticism	1.52±0.20	1.44±0.15	1.42±0.16	0.657	0.395
Additional items	1.32±0.18	1.29±0.15	1.29±0.23	0.176	0.826
Total mean	1.61±0.17	1.63±0.18	1.65±0.17	0.339	0.577

Basic information of pregnant women

Item	Classification	N(n%)/X±S
Age	-	29.42±4.58
Cultural degree	Middle school and below	139 (46.64%)
	Vocational education	109 (33.43%)
	Undergraduate and above	78 (23.93%)
Working condition	Employed	268 (82.21%)
	Unemployed	58 (17.79%)
Marital status	Married	306 (93.87%)
	Other (divorced/single)	20 (6.13%)
The only child	Yes	28 (8.59%)
	No	298 (91.41%)
Type of household registration	Urban account	149 (45.71%)
	Rural account	177 (54.29%)
Family economic condition	Per capita monthly income<5000 RMB	69 (21.17%)
	Per capita monthly income≥5000 RMB	257 (78.83%)
Planned pregnancy	Yes	277 (84.97%)
	No	49 (15.03%)
The body mass index before pregnancy (kg/m2)	-	22.16±3.72
First parturition	Yes	160 (49.08%)
	No	166 (50.92%)
Childbirth week	-	38.25±1.05
Method of parturition	Vaginal parturition	207 (63.50%)
	Caesarean parturition	119 (36.50%)
Blood flow (ml)	-	324.43±78.96

Comparison results of mental health of pregnant women and normal mode

Factor	Pregnant women	Normal mode	T	P
	X±SD	X±SD
Total score	146.54±38.94	131.81±36.26	18.846	0.000**
Total mean	1.63±0.18	1.46±0.45	7.198	0.000**
Positive symptom mean	2.68±1.44	2.32±0.55	11.626	0.000**
Somatization	1.46±0.21	1.35±0.42	6.125	0.000**
Obsessive compulsive	1.51±0.25	1.47±0.52	2.433	0.000**
Interpersonal sensitivity	1.59±0.28	1.54±0.64	1.874	0.000**
Depression	1.67±0.16	1.50±0.53	3.465	0.000**
Anxiety	1.63±0.25	1.41±0.45	10.842	0.000**
Hostility	1.53±0.26	1.45±0.49	1.784	0.000**
Photic anxiety	1.51±0.22	1.22±0.46	10.945	0.000**
Paranoid ideation	1.57±0.20	1.43±0.51	2.956	0.000**
Psychoticism	1.46±0.17	1.24±0.40	9.155	0.000**
Additional items	1.30±0.32	1.18±0.37	4.598	0.000**

The principal component load of the variable matrix

	Standard deviation	Proportion of variance	Cumulative proportion
Component 1	1.7332295	0.3387381	0.3387381
Component 2	1.4678952	0.2248547	0.5635928
Component 3	1.3231866	0.1503544	0.7139472
Component 4	1.2108457	0.1015672	0.8155144
Component 5	0.8548223	0.0726483	0.8881627
Component 6	0.6262886	0.0431658	0.9313285
Component 7	0.5524677	0.0405685	0.9718970
Component 8	0.4746461	0.0146856	0.9865826
Component 9	0.2516422	0.0081526	0.9947352
Component 10	0.2407785	0.0052648	1.0000000

Comparison of SCL-90 score of pregnant women with different working conditions

Factor	Employed	Unemployed	F	P
	X±SD	X±SD
Somatization	1.52±0.24	1.40±0.12	1.288	0.000**
Obsessive compulsive	1.49±0.11	1.53±0.24	1.113	0.425
Interpersonal sensitivity	1.68±0.22	1.50±0.21	0.729	0.000**
Depression	1.85±0.14	1.49±0.12	0.535	0.000**
Anxiety	1.78±0.15	1.48±0.16	0.328	0.000**
Hostility	1.47±0.22	1.58±0.25	0.203	0.154
Photic anxiety	1.49±0.22	1.53±0.14	1.339	0.745
Paranoid ideation	1.56±0.15	1.58±0.22	0.112	0.862
Psychoticism	1.48±0.19	1.45±0.23	0.798	0.486
Additional items	1.28±0.14	1.32±0.18	0.894	0.635
Total mean	1.68±0.15	1.58±0.2O	0.861	0.005**

The principal component load matrix of the variable matrix

	Component 1	Component 2	Component 3	Component 4	Component 5
X1	0.254	0.445	0.286	0.302	0.302
X2	0.212	0.125	0.514	0.265	0.265
X3	0.306	0.365	-0.259	-0.248	-0.342
X4	0.188	-0.165	0.416	0.342	0.284
X5	-0.124	-0.402	0.356	0.415	0.276
X6	0.311	-0.345	-0.391	-0.245	-0.358
X7	0.364	0.265	0.356	0.542	0.286
X8	0.389	0.315	0.426	0.463	-0.297
X9	0.425	0.276	0.401	-0.428	0.348
X10	0.254	0.259	-0.326	0.224	0.426
	Component 6	Component 7	Component 8	Component 9	Component 10
X1	0.215	0.348	0.280	0.256	0.394
X2	0.246	0.256	0.362	0.419	0.384
X3	0.472	-0.375	0.288	0.242	-0.270
X4	0.342	0.303	-0.237	-0.254	0.297
X5	-0.305	0.371	0.418	0.250	0.438
X6	0.312	-0.270	0.382	-0.444	0.295
X7	-0.295	0.390	0.431	0.439	-0.238
X8	0.384	0.425	-0.256	0.448	0.417
X9	-0.401	0.331	0.412	-0.245	-0.304
X10	0.369	-0.293	0.249	0.309	0.404

Comparison of SCL-90 score of pregnant women with different economic conditions

Factor	Per capita monthly income<5000 RMB	Per capita monthly income≥5000 RMB	F	P
	X±SD	X±SD
Somatization	1.62±0.12	1.30±0.24	0.396	0.000**
Obsessive compulsive	1.65±0.24	1.37±0.12	1.685	0.000**
Interpersonal sensitivity	1.63±0.12	1.55±0.11	0.747	0.000**
Depression	1.87±0.20	1.47±0.22	1.147	0.000**
Anxiety	1.79±0.16	1.47±0.12	0.646	0.000**
Hostility	1.63±0.16	1.43±0.15	0.429	0.000**
Photic anxiety	1.67±0.19	1.35±0.15	0.536	0.000**
Paranoid ideation	1.65±0.18	1.49±0.16	1.197	0.000**
Psychoticism	1.53±0.16	1.39±0.11	0.767	0.000**
Additional items	1.39±0.14	1.21±0.21	0.422	0.000**
Total mean	1.82±0.15	1.44±0.16	0.645	0.000**