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Table 3 Multiple regression coefficients β (and 95% CIs) and R2, associated with the standards of the Brazilian regions according to the proportion of predictor variables within each PSU:

From: Dietary availability patterns of the brazilian macro-regions

  North
  Regional β (CI 95%) Rice and beans β (CI 95%) Fruit/Greens/Sweets β (CI 95%)
% per PSU    
Children 1.31 (0.86; 1.76)* -0.25 (-0.70; 0.20) -0.18 (-0.56; 0.20)
Adolescent 1.15 (0.68; 1.62)* 0.18 (-0.29; 0.65) -0.19 (-0.59; 0.21)
Elderly persons 1.59 (0.93; 2.25)* -0.32 (-0.98; 0.34) 0.29 (-0.27; 0.85)
Mean income per PSU -0.04 (-0.18; 0.10) 0.08 (-0.06; 0.22) 0.66 (0.54; 0.78)*
Education of the head of the family (%)
Illiterate -0.64 (-1.83; 0.53) 0.47 (-0.70; 1.64) 0.59 (-0.41; 1.58)
Elementary 0.57 (0.05; 1.10)* -0.54 (-1.06;-0.02)* 0.59 (0.14; 1.04)*
High school 1.19 (0.62; 1.75)* -2.21 (-2.77;-1.65)* 1.09 (0.61; 1.60)*
Undergraduate and graduate 0.51 (-0.49;1.52) -2.00 (-3.0;-1.00)* 1.31 (0.46; 2.15)*
R 2 0.14 0.16 0.35
  Northeast
  Rice and beans β (CI 95%) High energy β (CI 95%) High Protein β (CI 95%)
% per PSU    
Children 0.42 (0.15; 0.70)* -0.34 (-0.60;-0.08)* 0.40 (0.15;0.66)*
Adolescent 0.68 (0.42; 0.95)* -0.23 (-0.49;0.02) 0.42 (0.17;0.67)*
Elderly persons 0.47 (0.13; 0.81)* 0.09 (-0.24;0.41) 0.81 (0.49;1.12)*
Mean income per PSU -0.05 (-0.15; 0.04) 0.49 (0.40;0.58)* 0.60 (0.51;0.69)*
Education of the head of the family (%)
Illiterate 0.32 (-0.19;0.83) -0.46 (-0.95;0.03) 1.00 (0.53;1.48)*
Elementary -0.59 (-0.86;-0.31)* 0.55 (0.29;0.81)* 0.10 (-0.14;0.36)
High school -1.74 (-2.08;-1.40)* 0.55 (0.22;0.87)* 0.22 (-0.10;0.53)
Undergraduate and graduate -1.85 (-2.47;-1.22)* 0.53 (-0.07;1.13) -0.69 (-1.27;0.11)
R 2 0.21 0.24 0.19
  Southeast
  Rice and beans β (IC 95%) Mixed β (IC 95%)
% per PSU    
Children 0.26 (-1.17; 0.71) 0.38 (0.02;0.74)*
Adolescent 1.08 (0.65; 1.51)* 0.29 (-0.06;0.64)
Elderly persons 0.74 (0.21; 1.26)* 0.97 (0.54;1.40)*
Mean income per PSU -0.05 (-0.14; 0.15) 0.75 (0.63;0.87)*
Education of the head of the family (%)
Illiterate 0.98 (-0.44; 2.40) 0.19 (-0.95;1.34)
Elementary -0.16 (-0.70; 0.37) 0.68 (0.25;1.11)*
High school -1.83 (-2.43; -1.24)* 1.20 (0.71;1.68)*
Undergraduate and graduate -0.88 (-1.67; -0.09)* 0.67 (0.02;1.31)*
R 2 0.16 0.39
  South
  Rice and beans β (IC 95%) Mixed β (IC 95%)
% per PSU    
Children 0.30 (-0.18;0.79) 0.41 (-0.02;0.84)
Adolescent 0.56 (0.09;1.03)* 0.51 (0.09;0.93)*
Elderly persons 0.54 (-0.06;1.14) 0.13 (-0.4;0.66)
Mean income per PSU -0.41 (-0.58;-0.23)* 0.88 (0.72;1.03)*
Education of the head of the family (%)
Illiterate -0.18(-2.26;1.89) -0.53 (-2.38;1.31)
Elementary 0.52 (-0.1;1.15) 1.00 (0.44;1.56)*
High school -0.36 (-1.07;0.36) 0.92 (0.29;1.56)*
Undergraduate and graduated 0.19 (-0.77;1.15) 0.52 (-0.33;1.38)
R 2 0.17 0.29
  Midwest
  Rice and beans β (IC 95%) Mixed β (IC 95%)
% per PSU    
Children -0.02 (-0.45;0.40) 0.36 (0.007;0.71)*
Adolescent 0.66 (0.25;1.07)* 0.19 (-0.14;0.52)
Elderly persons 0.44 (-0.13;1.01) 0.53 (0.06;1.00)*
Mean income per PSU 0.06 (-0.08;0.21) 0.76 (0.64;0.88)*
Education of the head of the family (%)
Illiterate 0.33 (-0.87;1.54) 0.16 (-0.83;1.14)
Elementary -0.06 (-0.60;0.48) 0.36 (-0.09;0.80)
High school -1.52 (-2.11;-0.92)* 0.69 (0.21;1.18)*
Undergraduate and graduate -1.29 (-2.15;-0.43)* 0.33 (-0.38;1.03)
R 2 0.11 0.34
  1. * p-value < 0.05