. 2020 Jan 23;46:9. doi: 10.1186/s13052-020-0776-x

Table 2.

Observed Zero-Order Correlations Between Observed Variables and screen time (N = 1897)

	1	2	3	4	5	6	7	8	9
Gender (male)	–
Minority ethnicity	.004	–
Age	.018	.044	–
The only child	−.423^c	−.342^b	.163^a	–
Household location	.025	−.162^b	.036	.013	–
Marital status	−.017	.123^a	.040	.051	−.008	–
Family income	−.078	.178^b	.005	.224^b	−.197^b	.420^b	–
Maternal education	.108^a	.091^a	.082^a	.265^b	−.172^b	.647^c	.528^b	–
Primary Caregiver	.009	−.039	.005	.151^b	−.196^b	.042	−.010	.165^b	–
Screen time	.083^b	.007	.055	.329^c	.076^a	−.257^b	.281^b	−.272^b	−.377^b

Notes: Correlation coefficients reflect nonparametric (Kendall’s tau-b) slope estimates

^aCorrelation significant at the .05 level (two-tailed). ^bCorrelation significant at the .01 level (two-tailed). ^cCorrelation significant at the .001 level (two-tailed)