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Table 1 Reasons for excluding children

From: House dust mite barrier bedding for childhood asthma: randomised placebo controlled trial in primary care [ISRCTN63308372]

Reason for exclusion n (%)
Lack of parental interest 123 (29)
Pet ownership 106 (25)
No asthma medication in previous 6 months 89 (21)
Skin prick test <5 mm to house dust mite 64 (15)
Already using allergy control bedding 17 (4)
Child not using a duvet 9 (2)
Child not sleeping in own bed 4 (1)
Unrecorded 13 (3)
Total 425