Table 2.

Breakdown of sample, exclusions and survey response for adults

	N	n	%
Total sample drawn	2346		100
Of these: moved away or transferred/closure of accommodation centre		503	21.4
Total sample at point of data collection	1843		100
Of these: expected ineligible due to age < 18 years		745	40.4
Total adult sample at point of data collection	1098		100
Of these: expected ineligible  due to language not covered by survey or illiteracy		111	10.1
Expected sample eligible	987		100
Of these: not reached at time of data collection		153	15.5
Total contacts eligible for inclusion	834		100
Of these: refusal at outset		19	2.3
Of these: questionnaire not returned		393	47.1
Total questionnaires returned	422		100
Of these: empty		10	2.4
Total records for analysis	412		100
Eligibility rate (Expected sample eligible/Total sample at point of data collection)			53.6
Response rate (Total records for analysis/expected sample eligible)			41.7
Participation rate (Total records for analysis/total contacts eligible for inclusion)			49.4