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. 2011 Jun 15;100(2):90–99. doi: 10.1016/j.prevetmed.2011.02.001

Table 2.

Age and pre-intervention score, and comparison across intervention groups for 516 participants in a c–RCT in Oromia region, Ethiopia.

Variable Overall Intervention
Kruskal–Wallis p value
Control Audio Handout Village meeting
Age Mean 45.66 44.45 48.85 42.27 47.01 0.01
Median 45.00 43.00 48.00 40.00 48.00
Percentiles (25) 33.00 33.00 36.00 32.00 32.00
Percentiles (75) 57.00 54.25 60.00 50.75 60.00



Pre-intervention score Mean 6.28 6.40 6.69 5.95 6.10 0.08
Median 6.00 6.75 7.00 6.00 6.00
Percentiles (25) 5.00 5.00 5.00 5.00 4.00
Percentiles (75) 8.00 8.00 8.00 7.00 8.00