Table 3.

Planned contrasts showing differences of peer influence effect between age groups for lower and higher ratings, respectively. Table shows estimates, standard error (SE), z values, p values and p values Bonferroni-corrected for 20 comparisons, for all age group comparisons.

	Estimate	SE	z value	p	p (bonf.)
lower: SI group: children vs. young adol	−0.02	0.15	−0.16	0.871	>1
lower: SI group: children vs. mid-adol	−0.11	0.16	−0.68	0.500	>1
lower: SI group: children vs. young adults	−0.18	0.12	−1.54	0.124	>1
lower: SI group: children vs. adults	−0.11	0.12	−0.88	0.377	>1
lower: SI group: young adol. vs. mid-adol	−0.08	0.18	−0.46	0.644	>1
lower: SI group: young adol. vs. young adults	−0.16	0.14	−1.10	0.273	>1
lower: SI group: young adol. vs. adults	−0.08	0.14	−0.56	0.574	>1
lower: SI group: mid-adol. vs. young adults	−0.07	0.15	−0.50	0.621	>1
lower: SI group: mid-adol. vs. adults	0.00	0.15	0.01	995	>1
lower: SI group: young adults vs. adults	0.07	0.11	0.70	0.478	>1
higher: SI group: children vs. young adol	0.10	0.20	0.52	0.606	>1
higher: SI group: children vs. mid-adol	0.28	0.19	1.44	0.150	>1
higher: SI group: children vs. young adults	0.51	0.15	3.51	<0.001	0.020
higher: SI group: children vs. adults	0.53	0.15	3.48	<0.001	0.020
higher: SI group: young adol. vs. mid-adol	0.17	0.22	0.80	0.422	>1
higher: SI group: young adol. vs. young adults	0.41	0.18	2.30	0.021	0.420
higher: SI group: young adol. vs. adults	0.43	0.18	2.35	0.019	0.380
higher: SI group: mid-adol. vs. young adults	0.24	0.17	1.39	0.166	>1
higher: SI group: mid-adol. vs. adults	0.26	0.18	1.45	0.146	>1
higher: SI group: young adults vs. adults	0.02	0.12	0.17	0.869	>1