Description of study population with each group divided in those who completed questionnaire (completers) and those who did not complete questionnaires (non-completers).
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Data is from responses to demographic questions in the questionnaire on randomization.Older participants (66 years, ±16 vs. 61 years ±16, p = 0.02) and Maori (66% vs. 29%, p
创建时间：
2012-10-19
