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. 2019 Apr 17;14(4):e0214070. doi: 10.1371/journal.pone.0214070

Table 6. Regression coefficient estimates for relationships between welfare problems detected by transect sampling, and production outcomes.

Production outcomes1
On-farm welfare assessment indicators2 Mortality Reasons for rejection Total rejected Footpad score Growth rate Feed conversion Production index
Perosis Illness Wounds Under-weight
Walking difficulties Mean 162.53 254.75 38.82 457.45 146.61 78.23 -121.23 0.30 -4.44 -2.74
SE 10.01 183.17 16.51 53.87 49.68 14.17 306.29 6.31 5.27 6.79
Lower 95% CL 140.23 -153.39 2.04 337.43 35.92 46.66 -803.69 -13.77 -16.19 -17.86
Upper 95% CL 184.83 662.88 75.59 577.48 257.30 109.80 561.23 14.36 7.31 12.39
F1, 10 263.76 1.93 5.53 72.11 8.71 30.49 0.16 <0.01 0.71 0.16
P <0.001 0.195 0.041 <0.001 0.015 <0.001 0.701 0.963 0.419 0.696
Illness Mean -119.00 1085.85 804.52 -234.54 525.02 707.60 -267.01 -4.19 17.80 -18.88
SE 45.82 596.08 71.29 234.15 200.61 62.55 1076.20 25.28 19.08 26.67
Lower 95% CL -221.09 -242.30 645.67 -756.25 78.04 568.24 -2664.94 -60.52 -24.70 -78.31
Upper 95% CL -16.92 2414.01 963.37 287.18 972.00 846.97 2130.92 52.15 60.30 40.56
F1, 10 6.75 3.32 127.35 1.00 6.85 127.99 0.06 0.03 0.87 0.50
P 0.027 0.099 <0.001 0.340 0.026 <0.001 0.809 0.872 0.373 0.495
Skin wounds Mean 2.15 92.64 18.77 18.16 -74.41 56.61 1644.17 -0.43 -1.80 -0.90
SE 21.08 384.19 32.20 105.85 125.56 28.33 890.20 15.76 13.44 17.03
Lower 95% CL -44.82 -763.39 -52.99 -217.68 -354.18 -6.52 -339.32 -35.55 -31.75 -38.84
Upper 95% CL 49.11 948.66 90.52 254.00 205.36 119.73 3627.65 34.70 28.14 37.04
F1, 10 0.01 0.06 0.34 0.03 0.35 3.99 3.41 <0.01 0.02 <0.01
P 0.921 0.814 0.573 0.867 0.567 0.074 0.095 0.979 0.896 0.959
Small Mean 148.00 -496.08 207.95 -5.35 312.85 237.95 227.03 2.77 -6.26 -6.93
SE 10.54 398.05 18.86 59.43 39.10 14.56 421.99 5.59 3.77 5.78
Lower 95% CL 124.51 -1382.98 165.92 -137.75 225.72 205.51 -713.22 -9.69 -14.67 -19.81
Upper 95% CL 171.49 390.82 249.98 127.06 398.98 270.40 1167.28.95 15.23 2.15 5.96
F1, 10 197.09 1.55 121.55 0.01 64.01 267.09 0.29 0.25 2.75 1.43
P <0.001 0.241 <0.001 0.930 <0.001 <0.001 0.602 0.631 0.128 0.259
Welfare problems index Mean 118.19 79.18 98.53 243.75 266.67 135.85 184.61 0.78 -3.39 -6.051
SE 5.74 63.11 11.01 21.17 28.26 8.74 138.77 3.37 2.40 3.56
Lower 95% CL 105.78 -57.15 74.75 198.01 205.63 116.96 -115.17 -6.51 -8.57 -13.75
Upper 95% CL 130.60 215.51 122.31 289.49 327.72 154.73 484.40 8.06 1.79 1.65
F1, 13 423.44 1.57 80.14 132.53 89.07 241.48 1.77 0.05 2.00 2.88
P <0.001 0.232 <0.001 <0.001 <0.001 <0.001 0.206 0.822 0.181 0.113
Litter score Mean -0.16 1.47 0.36 1.62 0.59 0.50 -1.87 0.03 <0.01 0.02
SE 0.04 0.82 0.06 0.25 0.17 0.06 1.42 0.03 0.02 0.03
Lower 95% CL -0.24 -0.31 0.22 1.08 0.22 0.38 -4.93 -0.03 -0.05 -0.05
Upper 95% CL -0.08 3.25 0.50 2.16 0.96 0.62 1.19 0.08 0.05 0.08
F1, 13 18.25 3.19 31.70 42.61 12.05 76.19 1.75 0.93 <0.01 0.28
P <0.001 0.097 <0.001 <0.001 0.004 <0.001 0.209 0.353 0.988 0.605

1See Methods and Table 3 footnotes for explanation of variables.

2Walking difficulties, illness, skin wounds and small were predictors in one model, and the welfare problems index and litter score were predictors in separate models.