Table 2.

Baseline comparison of initial evaluation only vs initial evaluation + follow-up patients

	IE only			IE + Follow-Up(s)			P value
Variable	n	Mean	SD	n	Mean	SD
Age at IE	53	14.33	2.77	333	13.77	2.68	0.157
Pain hx (in yr)	52	3.13	3.97	332	2.62	3.30	0.315
Sex	53 (21 M; 32 F)	-	-	333 (82 M; 251 F)	-	-	0.022a
Eosinophilia	53 (40 Y; 13 N)	-	-	333 (261 Y; 72 N)	-	-	0.635
ActEng T-score	53	51.72	11.53	329	55.75	11.02	0.014a
PainWill T-score	53	56.28	11.31	329	56.31	11.68	0.989
RfR	53	6.32	2.85	332	5.73	2.76	0.148
AttnPriv	53	5.72	4.18	332	5.51	3.46	0.689
% school missed (in previous 4 wk)	42	25.34	27.85	245	22.03	27.44	0.472
Anxiety	53	58.70	12.10	330	58.28	13.73	0.834
Depression	53	56.30	11.92	330	56.72	13.68	0.834
Atypicality	53	52.1	10.29	330	49.72	9.61	0.096
Anxiety_A	53	53.94	11.31	327	54.38	12.27	0.810
Depression_A	53	49.53	9.39	327	50.36	10.87	0.597
Atypicality_A	53	47.58	8.08	327	47.74	9.33	0.907
Social Stress	53	48.08	9.95	327	48.20	10.87	0.935
SDSCTot	53	45.15	9.61	332	45.19	11.74	0.983

^aIndicates statistical significance. ActEng T-score: Chronic Pain Acceptance Questionnaire-Adolescent Activity Engagement; PainWill T-score: Chronic Pain Acceptance Questionnaire-Adolescent Pain Willingess; RfR: Illness Behavior Encouragement Scale Release from Responsibility; AttnPriv: Illness Behavior Encouragement Scale Attention and Privileges; Anxiety: Behavior Assessment System for Children Parent-Reported Anxiety; Depression: Behavior Assessment System for Children Parent-Reported Depression; Atypicality: Behavior Assessment System for Children Parent-Reported Atypicality; Anxiety_A: Behavior Assessment System for Children Self-Reported Anxiety; Depression_A: Behavior Assessment System for Children Self-Reported Depression; Atypicality_A: Behavior Assessment System for Children Self-Reported Atypicality; Social Stress: Behavior Assessment System for Children Self-Reported Social Stress; SDSCTot: Sleep Disturbances Scale for Children Total Score; IE: Initial evaluation.