. Author manuscript; available in PMC: 2010 May 1.

Published in final edited form as: J Child Psychol Psychiatry. 2009 May;50(5):562–570. doi: 10.1111/j.1469-7610.2008.02015.x

Table 2.

Grade 5 Outcomes of Longitudinal Symptom Groups.

	Longitudinal Symptom Groups
	Never Symptoms (n = 193)	Isolated Symptoms (n = 71)	Recurrent Non- comorbid Symptoms (n = 33)	Recurrent Comorbid Symptoms (n = 31)	Test Statistic
Impairment at Grade 5 (all standardized; M = 0, SD = 1)	M (SD)	M (SD)	M (SD)	M (SD)
Academic impairment	−.30 (.83)^a ^b ^c	.17 (.79)^a ^d	.24 (1.06)^a ^d	1.05 (1.16)^b ^c ^d	F(3,321) = 23.62^**
Social impairment	−.34 (.71)^a ^b ^c	.04 (.87)^a ^d	.50 (1.15)^a ^d	1.37 (1.15)^b ^c ^d	F(3,321) = 41.46 ^**
Global functional impairment	.10 (.17)^a ^b ^c	.20 (.23)^a ^d	.23 (.31)^a ^d	.55 (.48)^b ^c ^d	F(3,324) = 30.07^**
Global physical health problems	.16 (.34)^a	.23 (.39)^a	.07 (.15)^a	.45 (.57)^b ^c ^d	F(3,324) = 7.06^*
Use of Services at Grade 5	N (%)	N (%)	N (%)	N (%)
School-based services	20 (10.4%)^a ^b ^c	15 (21.1%)^a ^d	7 (21.2%) ^a ^d	15 (48.4%)^b ^c ^d	χ² (3, N=328) = 28.4^**
Specialty mental health care	6 (3.1%)^a ^b ^c	8 (11.4%)^a ^d	7 (21.2%)^d	11 (36.7%)^c ^d	χ² (3, N=326) = 39.3^**

Within rows, superscripts indicate that a mean differs significantly (p < .05) from the mean for

Recurrent Comorbid

Recurrent Non-comorbid

Isolated , and/or

Never symptoms.

p < .01

^**

p < .001