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Table 1 Reasons for loss along follow-up

From: Early markers of airways inflammation and occupational asthma: Rationale, study design and follow-up rates among bakery, pastry and hairdressing apprentices

Reasons N Percent
Lack of time 28 36.4
Medical examinations considered "painful" 1 1.3
Moving away from region 1 1.3
Other reasons 10 13.0
Quit training 37 48.1
   Reasons for leaving (among 37 quitters):   
dis interested in training 13 35.1
disagreement with manager 19 51.4
moving away 2 5.4
Pregnancy 1 2.7
respiratory or allergic conditions 1 2.7
other health problems (unrelated) 1 2.7
Total 77 100