Table 2.

Correlation coefficients and Independent Samples T-Test

	Young adulthood sample (n = 209)		Middle adulthood sample (n = 221)
	M	SD	M	SD	t	DT	AS	HA	IA	C
DT	49.99	11.49	51.85	11.27	−1.69	1	−.36**	−.36**	−.23**	−.24**
AS	9.81	7.72	7.09	6.89	3.86**	−.23**	1	.42**	.43**	.40**
HA	14.78	6.12	14.47	7.42	.47	−.35**	.24**	1	.40**	.50**
IA	46.11	15.86	34.04	10.83	9.16**	−.23**	.41**	.37**	1	.48**
C	56.53	14.71	52.60	16.63	2.60*	−.20**	.34**	.37**	.39**	1

*p < .05, **p < .001. Correlations above the diagonal are for the group of middle adulthood; Those below the diagonal are for the group of young adulthood. DT: Distress tolerance, AS: Anxiety symptoms, HA: Health anxiety, IA: Internet addiction, C: Cyberchondria