Table 1 Characteristics of the sample at baseline by fruit and vegetable intake tertiles

From: Fruit, vegetable intake and blood pressure trajectories in older age

Covariates

Fruit intake tertiles

Vegetable intake tertiles

T1 (lowest)

T2

T3 (highest)

 

T1 (lowest)

T2

T3 (highest)

 

Mean

(SD)

Mean

(SD)

Mean

(SD)

p value

Mean

(SD)

Mean

(SD)

Mean

(SD)

p value

Age (years)

59.4

(6.9)

57.9

(7.0)

56.9

(6.7)

<0.001

58.1

(7.0)

57.7

(6.9)

58.5

(7.0)

<0.001

Daily energy intake (MJ)

9.6

(2.9)

10.6

(3.1)

11.6

(3.2)

<0.001

9.7

(3.0)

10.6

(3.0)

11.5

(3.2)

<0.001

Body Mass Index (kg/m2)

28.1

(5.6)

28.9

(5.4)

29.0

(5.4)

<0.001

28.2

(5.4)

28.7

(5.5)

28.8

(5.5)

<0.001

Fruit intake (g/day)

35.1

(20.2)

108.5

(25.3)

314.2

(205.3)

<0.001

108.5

(112.4)

136.0

(125.2)

213.1

(225.5)

<0.001

Vegetable intake (g/day)

208.0

(109.2)

253.9

(127.0)

337.8

(222.5)

<0.001

135.1

(40.9)

226.0

(26.9)

438.6

(187.8)

<0.001

Mediterranean diet scorea

5.5

(1.6)

5.5

(1.6)

5.5

(1.6)

0.562

5.3

(1.6)

5.6

(1.7)

5.7

(1.6)

<0.001

 

%

 

%

 

%

 

p-value

%

 

%

 

%

 

p-value

Gender: females

46.3

 

54.3

 

63.9

 

<0.001

51.9

 

55.1

 

57.6

 

<0.001

Antihypertensive medication: yes

28.8

 

31.7

 

35.6

 

<0.001

30.1

 

32.0

 

34.0

 

0.005

Smoking: current smoker

35.5

 

27.3

 

21.5

 

<0.001

30.5

 

27.6

 

26.2

 

<0.001

Alcohol intake: several times a week

27.1

 

23.6

 

22.3

 

<0.001

24.3

 

25.1

 

23.6

 

0.762

Leisure time physical activity: > 10 MET-h/d

33.4

 

35.7

 

39.2

 

<0.001

40.7

 

33.5

 

34.2

 

<0.001

Education: university

21.3

 

29.3

 

36.4

 

<0.001

27.6

 

29.5

 

29.8

 

<0.001

Marital status: lives with partner

68.4

 

73.8

 

74.3

 

<0.001

69.8

 

73.9

 

72.9

 

0.001

  1. P values were calculated with ANOVA for continuous variables and with Chi-square test for categorical variables
  2. aWithout the fruit, vegetable and alcohol component [27]