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Table 7 Failure to achieve and maintain nutritional recovery over a 6-month period (intention to treat)

From: Effects of unconditional cash transfers on the outcome of treatment for severe acute malnutrition (SAM): a cluster-randomised trial in the Democratic Republic of the Congo

Failure of nutritional recoverya Intervention arm Control arm P value
Number (%)b 734 (49.6) 747 (50.4)
Number of events/child-weeks at risk 144/16,408 457/13,257  
Incidence rate per 100 child-weeks (95% CI) 0.88 (0.73–1.02) 3.45 (3.13 – 3.76)  
Incidence rate ratio (95% CI)c 0.31 (0.21–0.46) 1.00 (Reference) <0.001
Unadjusted HR (95% CI) 0.24 (0.15–0.39) 1.00 (Reference) <0.001
Adjusted HR (95% CI)d 0.24 (0.15–0.39) 1.00 (Reference) <0.001
  1. aFailure to achieve and maintain nutritional recovery during treatment and follow-up to 6 months from enrolment was defined as dead, non-response to treatment after 12 weeks, a defaulter, a relapse to either SAM or MAM or unknown at 6 months
  2. bNumber of children contributing to unadjusted analysis
  3. cComputed by using a mixed-effects Poisson regression model, with health centre as random effects
  4. dFrom marginal Cox proportional hazards models where the outcome variable is time until first event and time is calendar week. 95% CIs used robust estimates of the variance to account for clustering at the health centre level, and P value was performed with the robust score test. Co-variates in the adjusted model included the household size, the IDDS score and the school achievement of the mother