Table 2.

Intercorrelations Among the Central Measures in the Presented Analyses

Measure	Sustained attention	14 months	24 months	4 years	7 years	Adolescent discomfort
Sustained attention	—— (68)
14 months	0.015 (64)	—— (80)
24 months	−0.039 (60)	0.373** (73)	—— (78)
4 years	−0.251† (55)	0.060 (68)	0.265 (68)	—— (75)
7 years	−0.338* (41)	0.093 (51)	0.189 (51)	0.371** (55)	—— (59)
Adolescent discomfort	0.097 (45)	0.191 (52)	0.181 (51)	0.076 (50)	0.059 (42)	—— (62)

Note. Degrees of freedom for the r statistic are noted in parentheses.

^†p < .10.

^*p < .05.

^**p < .01.