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. 2019 May 28;6:146. doi: 10.3389/fvets.2019.00146

Table 4.

Adoption of line of separation practices: marginal effects (SE).

Variable LOS DEFINED LOS LOCKED LOS ENTRY LOS ANIMALS LOS LOG LOS CLOTHES LOS CLOTHESPBA LOS FOMITES LOS CLEANING LOS FEED
AGE (Δ 1 year) −0.004 (0.002) −0.003 (0.002) 0.001 (0.002) 0.0004 (0.002) 0.00007 (0.002) −0.001 (0.002) −0.001 (0.003) −0.001 (0.002) 0.001 (0.001) 0.001 (0.002)
COLLEGE 0.041 (0.055) 0.060 (0.057) −0.031 (0.051) 0.010 (0.049) −0.142*** (0.055) −0.071 (0.046) 0.052 (0.060) 0.013 (0.057) 0.058 (0.036) −0.078** (0.039)
BREEDING (vs. FARROWFINISH) 0.197** (0.090) 0.229** (0.112) 0.270*** (0.057) 0.114 (0.079) 0.299*** (0.102) 0.148** (0.075) 0.213** (0.099) 0.251** (0.118) −0.057 (0.084) 0.053 (0.070)
WEANFINISH (vs. FARROWFINISH) 0.064 (0.071) 0.113 (0.076) 0.055 (0.065) 0.063 (0.060) 0.009 (0.073) −0.030 (0.057) 0.109 (0.075) −0.040 (0.077) 0.067* (0.038) 0.120** (0.048)
FINISH (vs. FARROWFINISH)a 0.098 (0.096) 0.091 (0.112) 0.011 (0.092) 0.120 (0.074) 0.153 (0.099) 0.079 (0.074) 0.220** (0.095) 0.074 (0.111) 0.080*** (0.031)
OTHEROPERATION (vs. FARROWFINISH) 0.141 (0.114) 0.293** (0.127) 0.138 (0.090) 0.116 (0.083) 0.067 (0.138) 0.036 (0.097) 0.050 (0.149) 0.123 (0.145) 0.041 (0.051) 0.092** (0.037)
INTEGRATOR (vs. INDEPENDENT)b −0.031 (0.122) 0.119 (0.121) −0.075 (0.123) 0.119 (0.087) −0.124 (0.106) 0.028 (0.114) −0.001 (0.124) −0.055 (0.107)
CONTRACTGROWER (vs. INDEPENDENT) 0.134* (0.070) 0.192*** (0.071) 0.126** (0.063) 0.134** (0.061) 0.089 (0.071) 0.073 (0.055) −0.074 (0.078) 0.071 (0.075) 0.095*** (0.036) 0.043 (0.059)
OTHERBUSINESS (vs. INDEPENDENT)b 0.181 (0.121) 0.364*** (0.120) 0.123 (0.119) 0.110 (0.102) 0.105 (0.140) 0.111 (0.100) 0.082 (0.147) 0.108 (0.142)
IOWA 0.013 (0.063) 0.021 (0.063) 0.085 (0.058) 0.056 (0.058) −0.151** (0.064) −0.045 (0.052) 0.097 (0.068) −0.172** (0.068) −0.069* (0.036) −0.004 (0.048)
ln (PRODUCTIONSITES) 0.089*** (0.028) 0.078*** (0.027) 0.116*** (0.026) 0.086*** (0.027) 0.109*** (0.026) 0.064** (0.026) 0.040 (0.029) 0.039 (0.026) 0.060*** (0.024) 0.007 (0.022)
HIGHRATING 0.264*** (0.080) 0.081 (0.077) 0.227*** (0.074) 0.224*** (0.077) 0.159** (0.077) 0.182*** (0.068) 0.274*** (0.079) 0.211*** (0.074) 0.217*** (0.061) 0.236*** (0.076)
REPORTABLE 0.056 (0.065) 0.102 (0.066) 0.094 (0.060) 0.063 (0.058) 0.068 (0.063) 0.110* (0.057) −0.007 (0.070) −0.001 (0.066) 0.028 (0.040) 0.117** (0.058)
RISKAVERSE 0.070** (0.030) 0.045 (0.032) 0.015 (0.028) 0.057** (0.027) 0.057* (0.031) 0.076*** (0.024) 0.059* (0.033) 0.042 (0.032) 0.002 (0.019) 0.034 (0.023)
RISKACCEPTING 0.017 (0.030) 0.014 (0.030) 0.016 (0.027) 0.086*** (0.025) −0.009 (0.029) 0.034 (0.024) 0.087*** (0.031) 0.051* (0.031) 0.032* (0.018) 0.055** (0.024)
ONEOUTBREAK (vs. NOOUTBREAKS) 0.019 (0.110) −0.081 (0.108) −0.065 (0.122) −0.009 (0.101) −0.147 (0.103) −0.040 (0.110) 0.00006 (0.122) −0.108 (0.104) 0.039 (0.058) 0.064 (0.059)
TWOOUTBREAKS (vs. NOOUTBREAKS) 0.069 (0.104) −0.062 (0.107) −0.122 (0.096) 0.051 (0.097) −0.172* (0.102) −0.053 (0.091) −0.042 (0.113) −0.103 (0.106) −0.004 (0.057) 0.070 (0.085)
N 263 263 263 263 263 263 260 263 226 199
Pseudo (McFadden's) R2 0.166 0.143 0.202 0.205 0.215 0.242 0.097 0.141 0.432 0.320
Predicted adoption rate 0.719 0.304 0.791 0.859 0.479 0.878 0.604 0.342 0.951 0.950
Actual adoption rate 0.620 0.414 0.703 0.745 0.498 0.787 0.531 0.411 0.903 0.884
*, **, ***

indicate statistical significance at p < 0.10, < 0.05, < 0.01, respectively.

a

Dropped from the regression due to no variation for LOSFEED.

b

Dropped from the regression due to no variation for LOSCLEANING and LOSFEED.