Thirty-three percent of the intervention group and 32 % of the control group followed-up as recommended ( RR = 1.04 , 95 % CI = 0.81 to 1.33 ) ; 52 % of the intervention group and 48 % of the control group followed-up within 10 days of the recommended time ( RR = 1.08 , 95 % CI = 0.91 to 1.29 ) .