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Table 5 Levels of food insecurity by type of drought exposure, stratified by urban and rural location, adjusted for confounding variables

From: The impact of drought on the association between food security and mental health in a nationally representative Australian sample

  Food insecurity
  Missing meals Below-average consumption core food Above-average consumption discretionary food
  Mean % (SE) Mean difference (SE)1 P-value Mean % (SE) Mean difference (SE)1 P-value Mean % (SE) Mean difference (SE)1 P-value
Drought exposure (Rural)
  Zero or Moderate 1.6 (0.01) -0.1 (1.5) 0.934 33.2 (0.02) -10.7 (7.5) 0.154 58.6 (0.03) -0.5 (5.8) 0.927
  Very Dry n.a2 n.a2 n.a2 26.1 (0.03) -17.8 (7.8) 0.024 70.4 (0.05) 11.3 (7.3) 0.121
  Long Dry 2.3 (0.01) 0.6 (1.9) 0.744 31.0 (0.03) -12.9 (7.6) 0.090 62.5 (0.04) 3.4 (6.4) 0.595
  Constant Dry 3.9 (0.03) 2.2 (3.3) 0.511 27.5 (0.08) -16.4 (10.1) 0.106 64.1 (0.07) 5.0 (8.9) 0.577
  Constant and Long Dry 1.7 (0.02) - - 43.9 (0.07) - - 59.1 (0.05) - -
Drought exposure (Urban)
  Zero or Moderate 1.9 (0.01) 1.2 (0.8) 0.133 33.4 (0.02) -0.8 (4.5) 0.857 64.7 (0.01) 4.3 (4.7) 0.366
  Very Dry 0.9 (0.01) 0.1 (0.7) 0.925 29.4 (0.02) -4.8 (4.7) 0.307 62.7 (0.03) 2.3 (5.4) 0.673
  Long Dry 1.3 (0.00) 0.5 (0.7) 0.510 28.4 (0.02) -5.8 (4.5) 0.191 59.4 (0.02) -1.1 (4.8) 0.827
  Constant Dry 4.7 (0.02) 3.9 (2.1) 0.062 41.5 (0.05) 7.3 (6.6) 0.272 56.5 (0.03) -4.0 (5.3) 0.455
  Constant and Long Dry 0.8 (0.01) - - 34.3 (0.04) - - 60.4 (0.05) - -
  1. 1The mean score difference measures the difference in the estimated mean psychological distress score between ‘constant and long dry’ and each other drought category.
  2. 2The ‘very dry’ drought category is dropped in the regression of missing meals because this variable perfectly predict the failure (missing meals =0), causing this variable’s coefficient to be unidentified.
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