Table 3.

Correlation analysis (Pearson r and 2-tailed P value) between all the study variables.

Variable		1	2	3	4	5	6	7	8	9	10	11	12	13
1. Instrumental information seeking
	r	1	0.31	0.48	0.38	−0.07	0.16	0.06	0.06	0.39	0.13	0.17	0.24	0.40
	P value	—a	<.001	<.001	<.001	.12	<.001	.18	.25	<.001	.005	<.001	<.001	<.001
2. Information sharing
	r	0.31	1	0.21	0.16	−0.05	−0.01	−0.05	−0.03	0.12	0.11	0.05	0.08	0.10
	P value	<.001	—	<.001	<.001	.31	.85	.34	.50	.01	.03	.34	.10	.03
3. Seeking information from peers
	r	0.48	0.21	1	0.37	−0.07	0.10	0.13	0.07	0.45	0.22	0.13	0.16	0.43
	P value	<.001	<.001	—	<.001	.13	.03	.006	.14	<.001	<.001	.007	<.001	<.001
4. Web-based self-tracking
	r	0.38	0.16	0.37	1	0.02	0.18	−0.04	0.09	0.27	0.17	0.17	0.18	0.26
	P value	<.001	<.001	<.001	—	.70	<.001	.48	.052	<.001	<.001	<.001	<.001	<.001
5. Age
	r	−0.07	−0.05	−0.07	0.02	1	−0.02	−0.11	0.24	−0.15	0.10	−0.16	−0.16	−0.18
	P value	.12	.31	.13	.70	—	.65	.03	<.001	<.001	.04	<.001	<.001	<.001
6. Education
	r	0.16	−0.01	0.10	0.18	−0.02	1	0.01	−0.03	0.07	0.01	0.30	0.30	0.27
	P value	<.001	.85	.03	<.001	.65	—	.79	.57	.15	.91	<.001	<.001	<.001
7. Gender
	r	0.06	−0.05	0.13	−0.04	−0.11	0.01	1	−0.02	0.17	0.08	−0.04	−0.04	0.06
	P value	.18	.34	.006	.48	.03	.79	—	.72	<.001	.09	.38	.30	.24
8. Chronic ailments
	r	0.06	−0.03	0.07	0.09	0.24	−0.03	−0.02	1	−0.01	0.41	−0.02	−0.08	−0.03
	P value	.25	.50	.14	.052	<.001	.57	.72	—	.85	<.001	.74	.09	.51
9. Information seeking for family and friends
	r	0.39	0.12	0.45	0.27	−0.15	0.07	0.17	−0.01	1	0.10	0.13	0.21	0.37
	P value	<.001	.01	<.001	<.001	<.001	.15	<.001	.85	—	.03	.005	<.001	<.001
10. Offline health care use
	r	0.13	0.11	0.22	0.17	0.10	0.01	0.08	0.41	0.10	1	0.01	−0.06	0.06
	P value	.005	.03	<.001	<.001	.04	.91	.09	<.001	.03	—	.80	.20	.23
11. Internet experience
	r	0.17	0.05	0.13	0.17	−0.16	0.30	−0.04	−0.02	0.13	0.01	1	0.28	0.34
	P value	<.001	.34	.007	<.001	<.001	<.001	.38	.74	.005	.80	—	<.001	<.001
12. Internet use frequency
	r	0.24	0.08	0.16	0.18	−0.16	0.30	−0.04	−0.08	0.21	−0.06	0.28	1	0.27
	P value	<.001	.10	<.001	<.001	<.001	<.001	.30	.09	<.001	.20	<.001	—	<.001
13. eHealth literacy
	r	0.40	0.10	0.43	0.26	−0.18	0.27	0.06	−0.03	0.37	0.06	0.34	0.27	1
	P value	<.001	.03	<.001	<.001	<.001	<.001	.24	.51	<.001	.23	<.001	<.001	—

^aNot applicable.