Construct validity of the Assessment of Quality of Life - 6D (AQoL-6D) in community samples

Table 1 Description of number, origin and criteria for cases included in current analyses

	Baseline		Follow up		Cohort N (group invariance)		Overall
	ARMHS	HCS	ARMHS	HCS	ARMHS	HCS
Returned both surveys	2149	3234	1261^#	2252^#			8896
Included in imputation procedure (<25% missing data on imputation model variables)	2127	3168	1234	2171			8700
Complete AQoL data^§ (cases used for all reported analyses)	1987	2884	1111	1933	3098	4817	7915
Phase N (temporal invariance)	4871		3044

^# Only one survey booklet was administered at follow-up, these values refer to N participants returning a follow-up survey. ^§ Imputed values for the four mental health subscale items were merged into the original (un-imputed) set for ARMHS baseline participants.

ISSN: 1477-7525