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Table 2 The change in body mass index (BMI) and blood pressure in subjects from the TAMRISK study stratified by whether or not they had hypertension or diabetes by the age of 50

From: Periodic cohort health examinations in the TAMRISK study show untoward increases in body mass index and blood pressure during 15 years of follow-up

 

Study group

Controls

P-value (interaction in change between group and time effects)

Difference (95% CI)

P-value (t-test)

Change in BMI (kg/m2)

  

0.04

  

40 years of age

0.9 (2.3)

0.4 (1.8)

 

0.43 (0.14;0.72)

0.008

45 years of age

1.8 (2.4)

1.3 (1.8)

 

0.59 (0.30;0.87)

<0.001

50 years of age

2.4 (3.1)

1.7 (2.2)

 

0.73 (0.36;1.11)

<0.001

Change in systolic blood pressure (mmHg)

  

0.004

  

40 years of age

2.5 (10.5)

0.6 (8.2)

 

1.95 (0.54;3.36)

0.007

45 years of age

6.2 (15.5)

2.2 (10.7)

 

3.99 (1.96;6.03)

<0.001

50 years of age

6.2 (20.4)

5.3 (14.1)

 

0.90 (−1.73;3.53)

0.501

Change in diastolic blood pressure (mmHg)

  

0.06

  

40 years of age

2.6 (10.0)

1.4 (7.1)

 

1.17 (−0.14;2.48)

0.080

45 years of age

4.5 (11.6)

2.4 (7.4)

 

2.08 (0.58;3.57)

0.007

50 years of age

5.6 (14.0)

5.7 (9.2)

 

−0.16 (−1.95;1.63)

0.859

  1. The change was calculated in relation to baseline (at 35 years of age) during the 15-year follow-up when the periodic health examinations were conducted. Positive values reflect the increase in BMI or blood pressure. Values are means (standard deviations).