Understanding Social Media Information Sharing in Individuals with Depression: Insights from the Elaboration Likelihood Model and Schema Activation Theory

Figures & data

Figure 1 Moderated mediation model.

Table 1 Results of Manipulation Test of Experimental Materials (N=30)

Material Number	IQ	Positive CV	Negative CV	Material Classification
1	4.33	3.90	1.60	High IQ, Positive
2	4.33	1.65	4.02	High IQ, Negative
3	2.68	2.87	2.15	Low IQ, Positive
4	2.20	1.63	3.57	Low IQ, Negative
5	2.51	3.32	2.13	Low IQ, Positive
6	2.37	1.57	3.95	Low IQ, Negative

Abbreviations: IQ, Information Quality; CV, Content Valence.

Table 2 Descriptive Statistics and Correlation Analysis in Experiment 1a(N=200)

	Mean	SD	1	2	3	4	5	6
1. Gender	0.64	0.48
2. Age	30.92	6.60	−0.08
3. EL	3.11	0.57	−0.02	−0.08
4. SMUE	3.30	0.75	−0.08	0.17*	0.05
5. CV	0.50	0.50	0.03	−0.05	0.11	0.01
6. IQ	0.50	0.50	0.09	0.04	0.04	0.00	0.00
7. IS	3.50	1.26	0.05	0.05	−0.04	−0.08	0.12	0.42**

Notes: For Gender: 0 = Male, 1 = Female; For EL: 1 = High school and below, 2 = Associate degree, 3 = Bachelor’s degree, 4 = Master’s degree, and 5 = Doctorate; For SMUE: 1 = Less than 1 year, 2 = 2 to 4 years, 3 = 5 to 7 years, and 4 = More than 8 years. For CV: 0 = Negative, 1 = Positive. For IQ: 0 = Low, 1 = High. **p < 0.01, *p < 0.05.

Abbreviations: EL, Education level; SMUE, Social Media Usage Experience; CV, Content Valence; IQ, Information Quality; IS, Intention to Share.

Figure 2 Experiment 1a results.

Abbreviation: IQ, Information Quality.

Table 3 Descriptive Statistics and Correlation Analysis in Experiment 1b(N=180)

	Mean	SD	1	2	3	4
1. Gender	0.58	0.50
2. Age	31.14	8.71	0.00
3. CV	0.50	0.50	−0.02	−0.03
4. SR	4.71	1.26	0.00	0.20**	0.22**
5. IS	3.61	1.15	−0.01	0.23**	0.16*	0.86**

Notes: For Gender: 0 = Male, 1 = Female; For CV: 0 = Negative, 1 = Positive. **p < 0.01, *p < 0.05.

Abbreviations: CV, Content Valence; IS, Intention to Share; SR, Self-Referential Processing.

Table 4 Bootstrap Analysis Results in Experiment 1b(N=180)

	Effect	BootSE	BootLLCI	BootULCI
Total	0.39	0.17	0.06	0.72
Direct	−0.06	0.09	−0.24	0.12
Indirect	0.45	0.15	0.16	0.74

Figure 3 The results of mediation analysis for Experiment 1b.

Notes: ***p<0.001; **p<0.01.

Figure 4 Experiment 2 procedure.

Table 5 Descriptive Statistics and Correlation Analysis in Experiment 2(N=128)

	Mean	SD	1	2	3	4	5
1. Gender	0.64	0.48
2. Age	28.77	7.19	−0.01
3. CV	0.50	0.50	−0.10	0.24**
4. SR	3.90	1.59	0.11	0.12	0.25**
5. DL	7.67	7.26	0.13	−0.13	0.08	−0.03
6. IS	4.54	1.79	0.07	0.03	0.30**	0.67**	0.03

Notes: For Gender: 0 = Male, 1 = Female; For CV: 0 = Positive, 1 = Negative. **p < 0.01.

Abbreviations: CV, Content Valence; SR, Self-Referential Processing; DL, Depression Level; IS, Intention to Share.

Table 6 Moderated Mediation Effect Results in Experiment 2 (N=128)

Independent Variable	Self-Referential Processing		Intention to Share
	b	t	b	t
Gender	0.45	1.59	−0.05	−0.20
Age	0.01	0.68	−0.01	−0.76
CV	0.78	2.77**	0.59	2.42*
SR			0.69	9.06***
DL			0.01	0.37
CV × DL			0.08	2.12*
SR × DL			−0.03	−2.70**
R^2	0.08		0.51
F	3.77*		18.08***

Notes: *p<0.05; **p<0.01; ***p<0.001.

Abbreviations: CV, Content Valence; SR, Self-Referential Processing; DL, Depression Level.

Figure 5 Mediating effects of depression levels in the relationship between content valence and intention to share.

Figure 6 Mediating effects of depression levels in the relationship between self-referential processing and intention to share.

Abbreviation: SR, Self-Referential Processing.