Table A2.

Correlation analysis between OAs’ mobile app use duration and loneliness (significant results).

Duration	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
1. Basic functions	-
2. Instant communication	0.60 **	-
3. Online shopping	0.27 **	0.33 **	-
4. Online medical support	0.28 **	0.25 **	0.41 **	-
5. Mobile payment	0.30 **	0.37 **	0.52 **	0.39 **	-
6. Video entertainment	0.37 **	0.46 **	0.25 **	0.25 **	0.27 **	-
7. Social media	0.42 **	0.47 **	0.36 **	0.30 **	0.37 **	0.39 **	-
8. Information	0.48 **	0.49 **	0.29 **	0.30 **	0.35 **	0.45 **	0.49 **	-
9. Financial management	0.38 **	0.41 **	0.53 **	0.39 **	0.55 **	0.27 **	0.43 **	0.42 **	-
10. Outing	0.42 **	0.50 **	0.40 **	0.39 **	0.53 **	0.37 **	0.49 **	0.51 **	0.49 **	-
11. Gaming	0.11 *	0.11 *				0.17 **					-
12. Online conference	0.30 **	0.37 **	0.33 **	0.28 **	0.32 **	0.38 **	0.41 **	0.29 **	0.34 **	0.37 **		-
13. E-mail	0.55 **	0.56 **	0.48 **	0.41 **	0.52 **	0.42 **	0.59 **	0.53 **	0.56 **	0.64 **		0.47 **	-
14. Pandemic	0.23 **	0.24 **	0.26 **	0.30 **	0.33 **	0.28 **	0.32 **	0.35 **	0.34 **	0.38 **		0.19 **	0.39 **	-
15. Emotional loneliness		−0.17 **			−0.10 *	−0.14 **	−0.12 *	−0.15 **							-
16. Social loneliness															0.29 **	-
17. Age	−0.40 **	−0.46 **	−0.39 **	−0.28 **	−0.40 **	−0.27 **	−0.47 **	−0.39 **	−0.45 **	−0.44 **		−0.30 **	−0.57 **	−0.27 **			-
18. Education	0.40 **	0.48 **	0.37 **	0.28 **	0.44 **	0.22 **	0.45 **	0.43 **	0.49 **	0.47 **		0.32 **	0.63 **	0.21 **	−0.22 **		−0.55 **	-

**. Correlation is significant at the 0.01 level (2-tailed). *. Correlation is significant at the 0.05 level (2-tailed).