TABLE 3 Open in new tab Differences in...

		Preintervention vs. week 2	Week 2 vs. week 4	Preintervention vs. week 4
Intervention	Work stress	1.30	−2.002	.050	−1.00	1.550	.127	0.30	−0.400	.691
Pregnancy stress	−1.05	1.328	.189	−0.37	0.401	.690	−1.42	1.358	.180
Fear of childbirth	−0.57	0.330	.743	0.22	−0.147	.884	−0.35	0.196	.845
Pregnancy experience (uplifts)	0.58	−0.953	.345	1.42	−2.887	.005	4.42	−6.895	<.001
Pregnancy experience (hassles)	−0.38	0.495	.622	0.10	−0.152	.880	−0.28	0.402	.689
Health practices in pregnancy	3.47	−1.789	.079	4.43	−2.414	.019	7.90	−4.946	<.001
Control	Work stress	−0.04	0.054	.957	−0.32	0.604	.548	−0.36	0.506	.615
Pregnancy stress	2.02	−2.100	.040	0.34	−0.452	.653	4.95	−6.128	<.001
Fear of childbirth	−0.73	0.540	.591	−0.80	0.702	.486	−1.54	1.271	.209
Pregnancy experience (uplifts)	0.14	−0.236	.814	0.32	−0.630	.531	0.46	−1.117	.269
Pregnancy experience (hassles)	0.39	−0.612	.543	2.66	−4.316	.000	5.64	−7.901	<.001
Health practices in pregnancy	0.64	−0.520	.605	1.30	−1.467	.148	1.25	−0.914	.365

Preintervention vs. week 2

Week 2 vs. week 4

Preintervention vs. week 4

Groups

Variables

Differences

Intervention

Work stress

1.30

−2.002

.050

−1.00

1.550

.127

0.30

−0.400

.691

Pregnancy stress

−1.05

1.328

.189

−0.37

0.401

.690

−1.42

1.358

.180

Fear of childbirth

−0.57

0.330

.743

0.22

−0.147

.884

−0.35

0.196

.845

Pregnancy experience (uplifts)

0.58

−0.953

.345

1.42

−2.887

.005

4.42

−6.895

<.001

Pregnancy experience (hassles)

−0.38

0.495

.622

0.10

−0.152

.880

−0.28

0.402

.689

Health practices in pregnancy

3.47

−1.789

.079

4.43

−2.414

.019

7.90

−4.946

<.001

Control

Work stress

−0.04

0.054

.957

−0.32

0.604

.548

−0.36

0.506

.615

Pregnancy stress

2.02

−2.100

.040

0.34

−0.452

.653

4.95

−6.128

<.001

Fear of childbirth

−0.73

0.540

.591

−0.80

0.702

.486

−1.54

1.271

.209

Pregnancy experience (uplifts)

0.14

−0.236

.814

0.32

−0.630

.531

0.46

−1.117

.269

Pregnancy experience (hassles)

0.39

−0.612

.543

2.66

−4.316

.000

5.64

−7.901

<.001

Health practices in pregnancy

0.64

−0.520

.605

1.30

−1.467

.148

1.25

−0.914

.365

		Preintervention vs. week 2	Week 2 vs. week 4	Preintervention vs. week 4
Intervention	Work stress	1.30	−2.002	.050	−1.00	1.550	.127	0.30	−0.400	.691
Pregnancy stress	−1.05	1.328	.189	−0.37	0.401	.690	−1.42	1.358	.180
Fear of childbirth	−0.57	0.330	.743	0.22	−0.147	.884	−0.35	0.196	.845
Pregnancy experience (uplifts)	0.58	−0.953	.345	1.42	−2.887	.005	4.42	−6.895	<.001
Pregnancy experience (hassles)	−0.38	0.495	.622	0.10	−0.152	.880	−0.28	0.402	.689
Health practices in pregnancy	3.47	−1.789	.079	4.43	−2.414	.019	7.90	−4.946	<.001
Control	Work stress	−0.04	0.054	.957	−0.32	0.604	.548	−0.36	0.506	.615
Pregnancy stress	2.02	−2.100	.040	0.34	−0.452	.653	4.95	−6.128	<.001
Fear of childbirth	−0.73	0.540	.591	−0.80	0.702	.486	−1.54	1.271	.209
Pregnancy experience (uplifts)	0.14	−0.236	.814	0.32	−0.630	.531	0.46	−1.117	.269
Pregnancy experience (hassles)	0.39	−0.612	.543	2.66	−4.316	.000	5.64	−7.901	<.001
Health practices in pregnancy	0.64	−0.520	.605	1.30	−1.467	.148	1.25	−0.914	.365

TABLE 3

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Differences in study variables by groups and assessment time points.

		Preintervention vs. week 2			Week 2 vs. week 4			Preintervention vs. week 4
Groups	Variables	Differences	t	P	Differences	t	P	Differences	t	P
Intervention	Work stress	1.30	−2.002	.050	−1.00	1.550	.127	0.30	−0.400	.691
	Pregnancy stress	−1.05	1.328	.189	−0.37	0.401	.690	−1.42	1.358	.180
	Fear of childbirth	−0.57	0.330	.743	0.22	−0.147	.884	−0.35	0.196	.845
	Pregnancy experience (uplifts)	0.58	−0.953	.345	1.42	−2.887	.005	4.42	−6.895	<.001
	Pregnancy experience (hassles)	−0.38	0.495	.622	0.10	−0.152	.880	−0.28	0.402	.689
	Health practices in pregnancy	3.47	−1.789	.079	4.43	−2.414	.019	7.90	−4.946	<.001
Control	Work stress	−0.04	0.054	.957	−0.32	0.604	.548	−0.36	0.506	.615
	Pregnancy stress	2.02	−2.100	.040	0.34	−0.452	.653	4.95	−6.128	<.001
	Fear of childbirth	−0.73	0.540	.591	−0.80	0.702	.486	−1.54	1.271	.209
	Pregnancy experience (uplifts)	0.14	−0.236	.814	0.32	−0.630	.531	0.46	−1.117	.269
	Pregnancy experience (hassles)	0.39	−0.612	.543	2.66	−4.316	.000	5.64	−7.901	<.001
	Health practices in pregnancy	0.64	−0.520	.605	1.30	−1.467	.148	1.25	−0.914	.365

		Preintervention vs. week 2			Week 2 vs. week 4			Preintervention vs. week 4
Groups	Variables	Differences	t	P	Differences	t	P	Differences	t	P
Intervention	Work stress	1.30	−2.002	.050	−1.00	1.550	.127	0.30	−0.400	.691
	Pregnancy stress	−1.05	1.328	.189	−0.37	0.401	.690	−1.42	1.358	.180
	Fear of childbirth	−0.57	0.330	.743	0.22	−0.147	.884	−0.35	0.196	.845
	Pregnancy experience (uplifts)	0.58	−0.953	.345	1.42	−2.887	.005	4.42	−6.895	<.001
	Pregnancy experience (hassles)	−0.38	0.495	.622	0.10	−0.152	.880	−0.28	0.402	.689
	Health practices in pregnancy	3.47	−1.789	.079	4.43	−2.414	.019	7.90	−4.946	<.001
Control	Work stress	−0.04	0.054	.957	−0.32	0.604	.548	−0.36	0.506	.615
	Pregnancy stress	2.02	−2.100	.040	0.34	−0.452	.653	4.95	−6.128	<.001
	Fear of childbirth	−0.73	0.540	.591	−0.80	0.702	.486	−1.54	1.271	.209
	Pregnancy experience (uplifts)	0.14	−0.236	.814	0.32	−0.630	.531	0.46	−1.117	.269
	Pregnancy experience (hassles)	0.39	−0.612	.543	2.66	−4.316	.000	5.64	−7.901	<.001
	Health practices in pregnancy	0.64	−0.520	.605	1.30	−1.467	.148	1.25	−0.914	.365

Note: The differences were calculated by subtracting later week’s values from recent week’s values (i.e., Work stress differences = Work stress at week 2 – Work stress at preintervention).

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