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Table 3 Estimated Adjusted Treatment Effects and Effects of Demographic Factors on Response Rate

From: Effectiveness of SMS messaging for diarrhoea measurement: a factorial cross-over randomised controlled trial

  Adjusted Treatment Effect (percentage point difference, (95%CI))
Daily Recall vs 14 day Recall -1·2 (− 4·9,2·5)
3-question Survey vs 1-question Survey −7·0 (− 10·8,−3·1)
Incentive vs No Incentive 6·4 (2·6,10·2)
Age of Respondent (continuous in years) 1·1 (0·2,2·1)
Beyond Primary Education vs Primary Education or Lower 11·7 (−1·6,25·1)
Low Income (below 50,000TZS) vs Middle or High Income −3·8 (−16·2,8·6)
Study Round (continuous) 0·9 (0·0,1·7)
Kilimahewa vs Igogo -3·4 (−18·6,11·2)
Unguja vs Igogo −6·0 (−21·2,9·1)