Table 2.

Pearson correlation of variables in 2 groups.

Group 1a	Group 2b
	1	2	3	4	5	6
1. Genderc	N/Ac	−0.07	−0.19	0.10	0.02	−0.04
2. Age	−0.11	N/A	−0.05	−0.36	−0.20	0.15
3. Health behaviors	−0.04	−0.06	N/A	−0.12	−0.27	0.11
4. Problematic internet use	0.15	−0.40	−0.16	N/A	0.32	−0.22
5. Perceived stress	−0.02	−0.23	−0.14	0.35	N/A	−0.32
6. Work-life balance	0.01	0.16	0.19	−0.27	−0.45	N/A

^aGroup 1: residents in Germany; correlations presented below the diagonal.

^bGoup 2: residents in China; correlations presented above the diagonal.

^cGender was dummy coded such that 1=female and 2=male. r≥.15, P=.01; 0.10≤ r≤.14, P=.05.

^dN/A: not applicable.