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Table 1 Characteristics of participants according to psychosocial factors at baseline

From: Impact of psychosocial factors on cardiovascular morbimortality: a prospective cohort study

  Education level   Social support in the household Diagnosis of depression
  High education* Primary education Less than primary education   Live with other Live alone   None Yes  
  (N = 1646) (N = 5433) (N = 184)   (N = 6535) (N = 728)   (N = 5954) (N = 1309)  
  (%) (%) (%) p-value (%) (%) p-value (%) (%) p-value
Age (mean; SD) 64.6 (6.2) 67.7 (6.1) 69.4 (5.0) <0.001 66.6 (6.1) 70.1 (6.2) <0.001 67.0 (6.3) 66.8 (6.0) 0.217
Sex (Women) 37.4 62.6 89.7 <0.001 54.8 82.1 <0.001 52.7 79.8 0.001
Type of Mediterranean diet           
  Low fat diet 29.0 34.0 26.1 0.453 32.4 34.9 0.130 32.2 34.4 0.096
  With extra-Virgin Olive oil 33.8 34.2 42.4   34.7 31.0   34.2 35.1  
  With mixed nuts 37.2 31.8 31.0   32.9 34.1   33.6 30.6  
High alcohol consumption 30.0 18.8 8.2 <0.001 21.5 17.1 0.007 22.5 14.6 <0.001
Smoking status           
  Never smoked 41.4 66.5 84.8 <0.001 59.9 73.9 <0.001 58.4 74.5 <0.001
  Former smoker 36.9 21.5 9.2   25.5 17.0   27.1 13.5  
  Current-smoker 21.7 12.0 6.8   14.6 9.1   14.5 12.0  
Body-mass index (Kg/m2) 29.3 (3.7) 30.1 (3.8) 30.7 (4.1) <0.001 30.0 (3.8) 30.0 (4.2) 0.743 29.9 (3.8) 30.5 (4.0) <0.001
Cardiovascular risk factors§           
  Hypertension 90.5 91.2 94.6 0.159 91.0 92.6 0.151 91.1 91.4 0.756
  Type 2 diabetes 67.7 73.2 81.0 <0.001 72.1 72.1 0.998 72.1 72.3 0.840
  Dyslipidemia 77.5 77.8 79.9 0.764 77.4 81.2 0.019 77.2 80.5 0.008
  Family history of premature CHD 23.7 21.9 20.1 0.231 22.4 21.0 0.404 21.6 25.1 0.007
Living alone 8.3 10.5 12.5 0.022 ---- ------- ------ 9.0 14.7 <0.001
Diagnostic of depression 15.2 18.6 27.7 <0.001 17.1 26.5 <0.001 ------ ----- ----
Educational level           
 High education* --- ----- ----   23.1 18.8 0.022 23.4 19.1 <0.001
  Primary education --- ----- ----   74.4 78.0   74.3 77.0  
  Less than primary education --- ----- ----   2.5 3.2   2.2 3.9  
  1. *High education means university studies or secondary school.
  2. Standard deviation.
  3. Alcohol consumption presented 68 missing values in its denominator. Standard deviation.
  4. §Hypertension (Medical diagnosis of hypertension or taking antihypertensive treatment), Type 2 diabetes (Medical diagnosis of diabetes or taking antidiabetic treatment) and Dyslipidemia (Medical diagnosis of dyslipidemia or taking lowering-lipid therapy).
  5. CHD denotes coronary heart disease.