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Table 4 Dietary variables in both groups of hypertensive women before and after intervention; Porto Firme, MG, Brazil, 2009.

From: Non-pharmacological treatment of hypertension in primary health care: A comparative clinical trial of two education strategies in health and nutrition

 

Group 1 (workshops)

Group 2 (workshops + home visits)

 

Initial (T0)

Final (T3)

Z

pa

Initial (T0)

Final (T3)

Z

pa

Score - Food Class I

2.7 ± 1.5

2 ± 1.4

1.5

0.13

4 ± 1.7

3.1 ± 1

1.4

0.14

Score - Food Class II

6.1 ± 2.4

6.7 ± 2

1.3

0.16

5.5 ± 1.4

6.6 ± 1.5

2.5

0.01*

Whole-grain cereals

0.2 ± 0.3

0.2 ± 0.2

0.5

0.59

0.1

0.5 ± 0.3

3.0

0.002*

Not-fat and low-fat milk

0.3 ± 0.1

0.67 ± 0.3

2.6

0.007*

0.4 ± 0.3

0.4 ± 0.4

1.4

0.14

Whole-grain bread

0.2 ± 0.1

0.4 ± 0.1

2.0

0.04*

0.4 ± 0.2

0.3 ± 0.1

0.1

0.86

Pig skin/scraps

0.1

0.0

2.2

0.02*

0.3 ± 0.1

0

1.4

0.14

Sweetened artificial juice

0.3 ± 0.2

0.1

2.1

0.03*

0.3 ± 0.3

0.2 ± 0.2

1.1

0.25

Per capita/day of oil

41.8 ± 17.8

21.9 ± 13.7

2.5

0.01*

35.9 ± 16

21.4 ± 10.9

3.0

0.002*

Per capita/day of sugar

106.9 ± 67.5

85.8 ± 70.1

1.3

0.17

100 ± 47.9

75.4 ± 45

2.1

0.02*

Per capita/day of salt

11 ± 8.4

8.6 ± 5.6

1.6

0.10

10.6 ± 6.4

8.1 ± 2.6

1.1

0.27

  1. Values in cells are mean ± standard deviation; a p-value for difference in values before and after intervention in Groups 1 and 2 by the Wilcoxon test; *p < 0.05.