7104.0.55.002 - Agriculture in Focus: Farmers' Perception of a Change in Climate, 2006-07  
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 17/08/2009  First Issue
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APPENDIX 4 - SUMMARY OF THE RESULTS FROM THE LOGISTIC REGRESSION MODEL

TABLE 1. ESTIMATES OF THE ODDS RATIOS FROM THE LOGISTIC REGRESSION MODEL

Explanatory variableCategoryBase categoryOdds ratio95% Confidence limits

Number of years managing the holding (*Question 3)less than 15
15~50
over 65
50~650.686
0.899#
0.364
0.569, 0.826
0.749, 1.078
0.172, 0.768

Role in the farm
(*Question 1)
owner/operator
others (employee, accountant, etc)
business manager0.796
0.889#
0.681, 0.932
0.734, 1.077

StateNSW (including ACT)
QLD
SA
WA
TAS
NT
Victoria0.644
0.535
0.738
0.516
0.836#
0.214
0.580, 0.716
0.478, 0.600
0.648, 0.840
0.415, 0.589
0.697, 1.003
0.164, 0.278

AOH (*Question 5)50 to 500 ha
500 to 1 000 ha
1 000 to 5 000 ha
5 000 to 10 000 ha
10 000 to 50 000 ha
>50 000 ha
less than 50 ha1.070#
1.214
1.072#
0.922#
0.695
0.795
0.963, 1.188
1.040, 1.418
0.926, 1.240
0.749, 1.134
0.574, 0.842
0.633, 0.999

Land set aside for conservation
(*Question 6a)
YesNo1.1211.044, 1.204

Farm size (according to the standard range of EVAO)<= $49 999
$50 000 to $99 999
$100 000 to $149 999
$150 000 to $199 999
$200 000 to $349 999
$350 000 to $499 999
$500 000 to $999 999
$1 000 000 to $1 999 999
>= $2 000 0001.375
1.422
1.501
1.404
1.305
1.155#
1.052#
1.039#
1.163, 1.627
1.193, 1.694
1.250, 1.803
1.153, 1.708
1.104, 1.542
0.961, 1.387
0.893, 1.238
0.871, 1.239

Farm sustainability (*Question 25d)highly importantnot highly important1.4361.292, 1.597
Increase productivity (*Question 25a)highly importantnot highly important1.2841.164, 1.416
Improve environmental protection (*Question 25e)highly importantnot highly important1.2651.151, 1.390
Improve risk management (*Question 25c)highly importantnot highly important1.083#0.980, 1.197

Industry (Groups)Nursery and Floriculture Production (011)Sheep, Beef Cattle and Grain Farming (014)1.021#0.810, 1.285
Mushroom and Vegetable Growing (012)0.903#0.761, 1.073
Fruit and Tree Nut Growing (013)1.128#0.985, 1.293
Other Crop Growing (015)0.6790.579, 0.797
Dairy Cattle Farming (016)1.094#0.910, 1.316
Poultry Farming (017)0.6550.503, 0.852
Deer Farming (018)1.442#0.622, 3.346
Other Livestock Farming (019)1.2131.013, 1.453
Industries other than Agriculture
i.e. agricultural production is secondary
0.948#0.839, 1.070

* Relates to the Question number on the 2006-07 NRM survey form shown at Appendix 1
# not significant