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. 2021 Aug 7;13(8):2724. doi: 10.3390/nu13082724

Table 2.

Bivariate analysis between sociodemographic variables, MEDAS questionnaire items and depressive symptomatology (PHQ-9).

Items MEDAS PHQ-9 PHQ-9 Score by Presence of Chronic Diseases
Yes No
SEX Man 3.62 (4.42) 3.78 (4.69) 3.31 (3.92)
Woman 5.33 (5.32) 5.72 (5.53) 4.54 (4.89)
p-value <0.001 <0.001 <0.001
AGE Pearson −0.084 −0.116 −0.091
p-value <0.001 <0.001 0.003
EDUCATIONAL LEVEL Secondary and higher education 4.53 (5.04) 4.79 (5.27) 4.13 (4.71)
Primary studies/non-studies 4.59 (4.97) 4.72 (5.16) 3.94 (4.34)
p-value 0.741 0.777 0.535
BMI Pearson 0.042 0.026 0.039
p-value 0.023 0.269 0.209
Olive oil for cooking Yes 4.49 (4.97) 4.69 (5.18) 4.04 (4.57)
No 5.23 (5.29) 5.41 (5.55) 4.38 (4.64)
p-value 0.036 0.128 0.547
+4 Tablespoons olive oil per day Yes 4.58 (5.13) 4.78 (5.33) 4.04 (4.63)
No 4.52 (4.84) 4.72 (5.07) 4.09 (4.52)
p-value 0.734 0.824 0.854
+2 Servings of vegetables per day Yes 4.90 (5.02) 5.27 (5.23) 4.15 (4.36)
No 4.44 (4.99) 4.58 (5.20) 4.03 (4.66)
p-value 0.029 0.018 0.697
+3 Fruit per day Yes 4.79 (5.13) 5.22 (5.49) 3.86 (4.36)
No 4.48 (4.96) 4.58 (5.11) 4.12 (4.64)
p-value 0.145 0.029 0.439
−1 Red meat per day Yes 4.30 (4.98) 4.61 (5.29) 3.69 (4.36)
No 5.01 (5.01) 5.05 (5.05) 4.72 (4.86)
p-value <0.001 0.092 0.001
−1 Butter or cream day Yes 4.48 (5.02) 4.68 (5.24) 3.96 (4.56)
No 4.91 (4.93) 5.08 (5.12) 4.63 (4.65)
p-value 0.074 0.212 0.09
−1 Sugary drinks per day Yes 4.35 (4.78) 4.53 (4.97) 3.90 (4.39)
No 5.09 (5.51) 5.35 (5.77) 4.51 (5.03)
p-value 0.001 0.006 0.067
+7 Wine per week Yes 3.96 (4.56) 3.94 (4.65) 3.83 (4.62)
No 4.71 (5.10) 4.98 (5.34) 4.11 (4.57)
p-value <0.001 0.001 0.459
+3 Legumes per week Yes 4.31 (5.05) 4.67 (5.33) 3.71 (4.76)
No 4.62 (4.99) 4.78 (5.19) 4.16 (4.52)
p-value 0.173 0.726 0.203
+3 Fish-seafood per week Yes 4.49 (4.87) 4.86 (5.19) 3.74 (4.27)
No 4.59 (5.08) 4.69 (5.23) 4.24 (4.73)
p-value 0.583 0.522 0.083
−2 Commercial pastries per week Yes 4.39 (5.09) 4.63 (5.28) 3.86 (4.73)
No 4.71 (4.92) 4.87 (5.15) 4.27 (4.42)
p-value 0.09 0.319 0.153
+3 Nuts per week Yes 4.19 (4.68) 4.32 (4.85) 3.92 (4.46)
No 4.68 (5.11) 4.89 (5.32) 4.12 (4.63)
p-value 0.014 0.042 0.520
Preferably white meat Yes 4.54 (5.02) 4.81 (5.27) 4.01 (4.50)
No 4.57 (4.98) 4.66 (5.13) 4.14 (4.70)
p-value 0.874 0.559 0.660
+2 Vegetables cooked in olive oil per week Yes 4.41 (4.75) 4.60 (4.99) 4.03 (4.36)
No 4.70 (5.24) 4.90 (5.43) 4.11 (4.81)
p-value 0.114 0.232 0.785
Proper diet Yes 4.01 (4.56) 4.51 (4.90) 3.11 (3.88)
No 4.68 (5.09) 4.81 (5.28) 4.30 (4.70)
p-value 0.003 0.343 0.001
Total MEDAS rating * Pearson −0.073 −0.047 −0.102
p-value <0.001 0.051 0.001

Note: BMI, Body Mass Index. Statistical used: Chi-Squared and Pearson *.