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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