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Table 2 Association of mental component summary (MCS) quintile with demographics, life-style, and health-related factors (n =20,308)

From: Self-perceived physical health predicts cardiovascular disease incidence and death among postmenopausal women

  Mental component summary quintile  
  Q1 0 – 48.0 (n = 4061) Q2 48.1 – 54.0 (n = 4063) Q3 54.1 – 57.0 (n = 4061) Q4 57.1 – 59.3 (n = 4065) Q5 59.4 - 75 (n = 4058)  
Baseline variable Mean (sd) or percent Mean (sd) or percent Mean (sd) or percent Mean (sd) or percent Mean (sd) or percent p-value
Age a 61.8(7.2) 62.2(6.8) 62.5(6.8) 63.0(6.7) 64.8(6.8) <0.0001
Age (category)       <0.0001
  50–59 41.2 37.0 35.7 31.5 22.9  
  60–69 41.8 46.8 47.1 50.1 50.9  
  70-80 16.9 16.1 17.1 18.3 26.2  
Ethnicity       <0.0001
  White 78.6 81.2 84.4 84.6 83.3  
  African American 12.7 10.4 8.4 8.4 9.5  
  Hispanic/Latino 4.1 3.9 3.0 2.6 2.8  
  Asian/PI 2.3 2.5 2.7 2.8 2.6  
  AI/AN 0.6 0.3 0.3 0.4 0.3  
  Other 1.5 1.5 0.9 1.0 1.3  
Marital Status       
  Never married 4.3 4.2 4.2 3.5 4.0 <0.0001
  Divorced/Widowed 38.7 33.3 29.3 29.7 33.3  
  Currently married 57.0 62.5 66.7 66.8 62.7  
Education       
  Less than high-school 6.7 5.2 4.4 3.0 4.7 <0.0001
  High-school 20.5 19.1 18.1 17.3 18.0  
  Some-college 39.7 39.2 38.2 38.5 41.6  
  College-graduate 33.1 36.5 39.2 41.0 35.6  
BMI( kg/m2) a 29.3(6.2) 28.8(5.9) 28.3(5.7) 28.2(5.5) 29.7(6.3) <0.0001
BMI (category)       
  <25 25.0 28.9 31.2 31.3 24.2 <0.0001
  25–29.9 35.6 35.7 36.7 36.3 34.1  
  ≥ 30 39.4 35.4 32.1 32.4 41.7  
Physical activity (MET/wk)       
  < 90 30.2 25.1 20.4 19.3 24.2 <0.0001
  90–449 29.7 29.7 27.9 27.4 26.9  
  450–600 18.8 21.0 23.1 22.3 22.3  
  > 600 21.3 24.2 28.6 31.0 26.6  
FV       0.009
  <3 servings/d 48.5 43.6 40.0 36.3 37.7  
  3–5 servings/d 31.6 35.8 36.5 38.8 37.0  
  5+ servings/d 19.9 20.6 23.5 24.9 25.3  
Pack-years a 11.1 (19.2) 10.0(17.6) 9.4(17.4) 9.2(16.8) 9.6(17.8) <0.0001
Smoking status       
  Never Smoked 51.4 52.1 53.7 53.8 56.4 <0.0001
  Past Smoker 38.0 39.0 39.6 40.1 37.9  
  Current Smoker 10.6 8.9 6.7 6.2 5.7  
Alcohol intake       
  Non drinker 9.8 9.5 10.1 10.9 12.5 <0.0001
  Past drinker 22.0 20.1 17.4 15.6 19.0  
  Current drinker 68.2 70.4 72.5 73.6 68.5  
Diabetes = Yes 8.0 6.9 6.1 4.5 7.0 <0.0001
COPD = yes 12.3 10.2 8.2 8.4 10.2 <0.0001
Arthritis = yes 50.6 44.2 41.1 41.6 54.3 <0.0001
CVD = Yes 18.7 16.8 15.5 13.8 16.8 <0.0001
Ever Cancer = yes 4.7 5.4 4.1 4.0 3.8 <0.0001
HTN = yes 37.5 36.0 33.4 32.6 36.9 <0.0001
Systolic BP a 127.6(17.5) 127.7(17.6) 127.5(17.4) 127.9(17.2) 129.6(17.3) <0.0001
Diastolic BP a 76.1(9.1) 75.8(9.3) 75.8(9.2) 75.8(8.9) 75.8(9.1) 0.69
MCS a 48.5(10.8) 48.8(8.9) 49.4(8.4) 49.5(8.3) 43.7(10.4) <0.0001
  1. a Data are presented as mean (SD); all other data are presented as percent per quintile.
  2. PI = Pacific Islander, AI = American Indian, AN = Alaskan Native, BMI = body mass index, BP = blood pressure, COPD = Chronic obstructive pulmonary disease (asthma or emphysema), CVD = cardiovascular diseases, FV = fruits and vegetables, HTN = hypertension, MET = Metabolic equivalent of task, PCS = Physical component summary, Q = quintile, SD = standard deviation.