Table III.

Parameter estimates of factors affecting the number of farm adaptation strategies used: negative binomial count model

VariableFarming adaptation strategies (FAS)
Farm operatorMarginal effectsSpouseMarginal effects
Constant–7.007*** (2.575) –0.626 (2.912) 
Predicted probability of SCS0.12*** (4.86)0.11*** (4.69)0.02 (5.23)0.01 (4.16)
Age0.004 (0.010)0.004 (0.010)–0.001 (0.014)–0.006 (0.011)
Education0.067*** (0.028)0.064*** (0.027)0.003 (0.031)0.003 (0.025)
Farming experience0.025 (0.030)0.024 (0.029)–0.043 (0.031)–0.034 (0.024)
Farming experience squared–0.0003 (0.0005)–0.0003 (0.0004)0.0009* (0.0005)0.0007* (0.0004)
Household size–0.286*** (0.116)–0.273*** (0.113)–0.085 (0.145)–0.068 (0.116)
Farm size–0.224 (0.153)–0.214 (0.146)–0.023 (0.153)–0.021 (0.122)
Farm income0.062 (0.045)0.059 (0.042)0.015 (0.050)0.012 (0.040)
Bac Lieu–1.027** (0.516)–0.979** (0.496)–0.130 (0.539)–0.104 (0.428)
Vinh Tranha–0.883 (0.584)–0.841 (0.560)–0.044 (0.644)–0.035 (0.512)
# of observations214
21.24
0.019
–242.6
0.04
214
5.67
0.84
–232.75
0.02
LR chi-squared(10)
Prob > chi-squared
Log likelihood
Pseudo R2

Notes:

aGiang province is used as a reference in the negative binomial regression; single, double and triple asterisks (*, ** and ***) indicate significance at the 10, 5 and 1 per cent level, respectively; predicted probabilities of SCS is in percentage

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