Table 3 multivariate analysis of the intervention effect, ajusted on confusing variables ( age districts and gender)

Time: after vs before

0.72 (0.67,0.77)

0.7 (0.64,0.78)

< 0.001

Arm: Intervention vs Control

1.15 (1.07,1.22)

0.999 (0.919,1.087)

0.975

Districts ref = 21

 42

0.91 (0.83,1)

0.89 (0.81,0.97)

0.008

 69

0.62 (0.57,0.68)

0.61 (0.55,0.67)

< 0.001

 7

0.52 (0.46,0.58)

0.53 (0.48,0.6)

< 0.001

 94

0.09 (0.07,0.1)

0.09 (0.07,0.11)

< 0.001

 Age:]53–70] vs [49–52]

1.28 (1.16,1.4)

1.33 (1.2,1.46)

< 0.001

 Gender: M vs F

0.74 (0.69,0.79)

0.77 (0.72,0.82)

< 0.001

 Time*arm = intervention effect

-

1.23 (1.07,1.41)

0.003