Table 5. Associations of NSES and the nature of school and home computer exposure: Correlation and 3 step prediction model statistics.

Outcome variables—computer exposure	Spearman’s rho correlation	Individual R squared change (Step 1)	Family R squared change (Step 2)	NSES R squared change (Step 3)	Overall model R squared	Overall model F and p
School
Play games	.126**	.091**	.021**	.008**	.121**	13.95, <.001
Multimedia	-.010	.086**	.007*	.001	.094**	10.52, <.001
Write Letter	.029	.041**	.002	.000	.044**	4.63, <.001
Learning Programs	.094**	.040**	.006	.006*	.052**	5.60, <.001
Surf Internet	.033	.171**	.004	.001	.176**	21.69, <.001
Email	.257**	.064**	.015**	.050**	.129**	15.03, <.001
Chat rooms	.017	.070**	.009*	.654	.079**	8.70, <.001
Home
Play games	.020	.225**	.008*	.001	.234**	30.80, <.001
Multimedia	-.079**	.166**	.010*	.003*	.179**	22.05, <.001
Write Letter	.009	.025**	.008*	.000	.032**	3.37, <.001
Learning Programs	.042	.012	.006	.000	.019*	1.90, =.035
Surf Internet	-.062*	.348**	.008*	.001	.356**	55.73, <.001
Email	-.056*	.238**	.010*	.001	.249**	33.43, <.001
Chat rooms	-.117**	.094**	.006	.011**	.110**	12.51, <.001

Note.

* = p <.05,

** = p <.001.

NSES = neighbourhood socioeconomic status.