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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)