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Table 1 The effect of short-term (7 days) and long-term (14 days) oviposition-site deprivation on egg batch size (EBS) and hatch rate

From: The effects of oviposition-site deprivation on Anopheles gambiae reproduction

   EBS    EBS 0-exl    OvipRtb   HR  
Source DF Z/F P DF Z/F P DF χ 2 P DF F P
Treatment group 6/238 12.1 0.001 6/138 6.72 0.001 6 34.5 0.001 4/127 12.9 0.001
Experiment -- 0.56 0.29   0.67 0.25 1 2.5 0.12 1/127 0.31 0.53
Replicate(Experiment) -- 0.77 0.22 -- ND ND -- ND ND -- ND ND
Residual -- 10.9 0.001   8.31 0.001 6 6.8 0.34 127 -- --
(AIC) / (−2LL)a -- (2433) (2437)   1354 1350       
Contrasts             
OD-7 vs. Gon1 & Gon2 1/238 12.9 0.001 1/138 0.01 0.91   11.9 0.001 1/127 48.7 0.001
Gon1 & Gon2 1/238 0.23 0.63 1/138 0.20 0.65   0.0 0.97 1/127 0.03 0.86
OD-7 vs. BD-7 1/238 7.0 0.009 1/138 0.60 0.44   9.8 0.002 1/127 31.7 0.001
OD-14 vs. Gon1 & Gon3 1/238 31.9 0.001 1/138 0.04 0.83   16.8 0.001 -- ND ND
Gon1 & Gon3 1/238 7.64 0.006 1/138 15.9 0.001   0.0 0.95 -- ND ND
OD-14 vs. BD-14 1/238 0.6 0.44 1/138 2.64 0.11   7.1 0.008 -- ND ND
OD-7 vs. OD-14 1/238 9.25 0.003 1/138 0.04 0.84   7.0 0.008 -- ND ND
  1. Mixed model ANOVA (Proc Mixed, SAS) was used to estimate variance among Experiments and Replicates (nested in Experiment) as well as Treatment group (fixed) on EBS. A log-linear categorical model (Proc Catmod, SAS) was used for oviposition rate. The effect of short-term oviposition-site deprivation on hatch rate was estimated using ANOVA (Proc GLM, SAS) using Experiment as random blocks. Hatch rate could not be estimated in females with long-term oviposition-site deprivation and blood deprivation because of very low oviposition rate (See also Figure2 and the Methods for more details). Bold values were significant after accommodating the number of contrast tests (for each response variable separately) using the Sequential Bonferroni procedure[22].
  2. a Model fit statistics residual −2 Log Likelihood and AIC values are given in parentheses in the DF column.
  3. b Log-linear categorical models (Proc Catmod, SAS) were used to assess the effects of various factors.