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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.