Table 2. Items included in SSAS and Physical Functioning Subscale measures and reliability indices at item level.

	Physical Functioning Subscale Statement posed to participant with response options ‘yes, limited a lot’, ‘yes, limited a little’, ‘no, not limited at all’									Reliability Indices
										AID	ITC
PF1	Vigorous activities, such as running, lifting heavy objects, participating in strenuous sports									.92	.45
PF2	Moderate activities such as moving a table, pushing a vacuum cleaner, bowling or playing golf									.90	.72
PF3	Lifting or carrying groceries									.90	.73
PF4	Climbing several flights of stairs									.90	.70
PF5	Climbing one flight of stairs									.90	.82
PF6	Bending, kneeling or stooping									.91	.67
PF7	Walking more than a mile									.91	.63
PF8	Walking several hundred yards									.90	.79
PF9	Walking one hundred yards									.90	.73
PF10	Bathing or dressing yourself									.91	.58
Item Label	SSAS Statement posed to participant with response options:
	0	1	2	3	4	5	6	7	8	Reliability Indices
	Not at all	slightly		Definitely		Makedly		Very severely		AID	ITC
SSAS1	Because of my illness my ability to attend school/college/work is impaired.									.78	.51
SSAS2	Because of my illness my ability to do homework is impaired.									.77	.45
SSAS3	Because of my illness my social leisure activities are impaired (with other people e.g. parties, outings, seeing friends).									.75	.52
SSAS4	Because of my illness my private leisure activities are impaired (done alone, e.g., reading, watching t.v., listening to music).									.76	.44
SSAS5	Because of my illness my ability to make friends is impaired.									.81	.35

AID = α if item deleted; ITC = Item-total correlation, SSAS = School and social adjustment scale