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Table 5 Cox proportional hazard analyses of the effect of water treatments, feed regimes and larval density on development time

From: Improvement of water quality for mass anopheline rearing: evaluation of the impact of ammonia-capturing zeolite on larval development and adult phenotypic quality

Parameter Source df Chi-square P-value
Day of emergence Larval density 1 614.460 < 0.0001***
Feed 1 142.292 < 0.0001***
Water treatment 3 18.179 0.0004**
Water treatment * feed 3 8.365 0.0390*
Water treatment * larval density 3 21.040 < 0.0001***
Feed * larval density 1 14.973 0.0001**
  1. P-value: ***< 0.0001 (most significant), **< 0.005, *< 0.05, ns> 0.05 (not significant)