Wald's Chi-test for exogeneity 336.7 *** 259.9 *** Sig. codes *** 2.5% ** 5% * 10% . 15% Table 8. Rainfall volatility model, CBMS 2007-2010 Variable Income from crop farming (log) Coe f. Std. Err. Sig code Robus t SE Robus t Sig Income from crop farming (log) With malnourished Co ef. Std. Err. Sig code Robus t SE Robus t Sig 0.2 56 0.011 *** 0.012 *** Female head 0.21 6 0.011 *** 0.012 *** 0.0 60 0.022 *** 0.022 *** Age of head 0.00 6 0.000 *** 0.000 *** 0.0 07 0.000 *** 0.000 *** Household size 0.02 4 0.001 *** 0.001 *** 0.0 54 0.002 *** 0.002 *** IP indicator 0.21 1 0.008 *** 0.008 *** 0.1 02 0.011 *** 0.011 *** With OFW 0.02 0 0.010 * 0.011 * 0.0 87 0.022 *** 0.022 *** With safe water 0.04 8 0.006 *** 0.006 *** 0.0 33 0.011 *** 0.011 *** With radio 0.12 5 0.006 *** 0.006 *** 0.0 46 0.010 *** 0.010 *** CBMS-FAO | 69