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Table 3 Analyses for repeated high systolic blood pressure by maternal and child characteristics

From: Repeated high blood pressure at 6 and 11 years at the Pelotas 2004 birth cohort study

Characteristics

Repeated High Systolic Blood Pressure

Crude OR

(95% CI)

P *

Adjusted OR

(95% CI)

P *

Sex

  

0.015

  

0.025

 Male

1.00

 

1.00

 

 Female

0.49

(0.28–0.88)

 

0.51

(0.29–0.92)

 

Skin color

  

0.304

  

0.789

 White

1.00

 

1.00

 

 Non-white

0.73

(0.39–1.35)

 

0.91

(0.47–1.76)

 

Gestational diabetes

  

0.038

  

0.027

 No

1.00

 

1.00

 

 Yes

3.15

(1.23–8.09)

 

2.92

(1.13–7.58)

 

Hypertension in pregnancy

  

0.155

  

0.236

 No

1.00

 

1.00

 

 Yes

1.55

(0.86–2.78)

 

1.44

(0.79–2.64)

 

Maternal age at childbirth

  

0.818

  

0.866

 ≤ 20

1.00

 

1.00

 

 21–25

0.93

(0.42–2.09)

 

0.88

(0.38–2.04)

 

 26–30

1.01

(0.44–2.30)

 

0.68

(0.67–3.41)

 

 > 30

1.30

(0.62–2.71)

 

0.89

(0.30–6.25)

 

Family history hypertension

  

0.657

  

0.704

 None

1.00

 

1.00

 

 From mother

1.04

(0.43–2.49)

 

0.80

(0.31–2.06)

 

 From father

1.56

(0.72–3.41)

 

1.48

(0.66–3.31)

 

 From both

1.82

(0.43–7.75)

 

1.32

(0.29–6.00)

 

Household income (quintiles)

  

0.144

  

0.240

 1 (poorest)

0.55

(0.24–1.26)

 

0.59

(0.25–1.37)

 

 2

0.34

(0.13–0.88)

 

0.37

(0.14–0.97)

 

 3

0.77

(0.37–1.61)

 

0.79

(0.37–1.70)

 

 4

0.49

(0.21–1.11)

 

0.51

(0.22–1.17)

 

 5 (wealthiest)

1.00

 

1.00

 

Smoking during pregnancy

  

0.822

  

0.885

 No

1.00

 

1.00

 

 Yes

1.07

(0.59–1.96)

 

1.05

(0.54–2.04)

 

Birth weight

  

0.480

  

0.501

 ≥ 2500 g

1.00

 

1.00

 

 < 2500 g

1.38

(0.58–3.26)

 

1.44

(0.50–4.12)

 

Weight-for-gestational age

  

0.830

  

0.972

 Small

1.28

(0.59–2.74)

 

0.93

(0.33–2.64)

 

 Adequate

1.00

 

1.00

 

 Large

1.07

(0.38–3.00)

 

0.89

(0.30–2.64)

 

Gestational age (weeks)

  

0.252

  

0.135

 < 34

0.91

(0.12–6.70)

 

1.05

(0.14–7.79)

 

 34–36

1.87

(0.93–3.76)

 

2.05

(1.01–4.16)

 

 ≥ 37

1.00

 

1.00

 

Physical activity at 11 years

  

0.381

  

0.290

 Active

1.00

 

1.00

 

 No active

1.33

(0.69–2.54)

 

1.43

(0.74–2.76)

 

Sodium intake (mg) (quintiles)

  

0.416

  

0.322

 1 (lowest)

1.00

 

1.00

 

 2

1.78

(0.66–4.85)

 

1.80

(0.64–5.05)

 

 3

2.30

(0.88–6.01)

 

2.63

(0.97–7.14)

 

 4

1.48

(0.52–4.19)

 

1.90

(0.65–5.60)

 

 5 (highest)

2.14

(0.81–5.67)

 

2.82

(0.97–8.19)

 

Weekly consumption of chips

  

0.236

  

0.387

 None

1.00

 

1.00

 

 Up to 1 package

0.80

(0.35–1.85)

 

1.02

(0.41–2.53)

 

 2 packages

0.39

(0.14–1.12)

 

0.51

(0.17–1.58)

 

 ≥ 3 packages

0.72

(0.27–1.95)

 

1.15

(0.39–3.39)

 

BMI-for-age Z score (11 years old)

  

0.014

  

0.022

 Normal

1.00

 

1.00

 

 Overweight

1.63

(0.80–3.29)

 

1.64

(0.81–3.31)

 

 Obesity

2.57

(1.37–4.80)

 

2.44

(1.29–4.59)

 
  1. *P-values were calculated by Wald Test to heterogeneity