Skip to main content

Table 1 Description of the sample as covariates, nutritional status, abdominal adiposity and lung function. 1982 Pelotas Birth Cohort (n = 3438)

From: Visceral and subcutaneous abdominal adiposity and pulmonary function in 30-year-old adults: a cross-sectional analysis nested in a birth cohort

Social, demographic, behavioral variables and nutritional status

Male

(n = 1717)

N (%)

Female

(n = 1721)

N (%)

p

Birth weight (grams)a

  

0.003

> = 2500

1614 (94.0)

1572 (91.4)

 

<2500

103 (6.0)

148 (8.6)

 

Maternal smoking during

pregnancya

  

0.932

No

1115 (64.9)

1120 (65.1)

 

Yes

602 (35.1)

601 (34.9)

 

Skin color

  

0.121

White

1290 (75.1)

1315 (76.4)

 

Black

274 (16.0)

274 (15.9)

 

Brown

95 (5.5)

80 (4.7)

 

Others

58 (3.4)

52 (3.0)

 

Education (years)

  

< 0.001

0–4

103 (6.1)

102 (6.0)

 

5–8

381 (22.4)

290 (17.0)

 

9–11

551 (32.5)

481 (28.2)

 

≥ 12

662 (39.0)

833 (48.8)

 

Smoking status

  

0.008

Never

978 (57.0)

1040 (60.5)

 

Former

296 (17.2)

312 (18.2)

 

Smoker

443 (25.8)

366 (21.3)

 

Wheezing in the last year

  

0.009

No

1488 (86.7)

1437 (83.5)

 

Yes

229 (13.3)

284 (16.5)

 

Use of corticoids in the last three monthsb

  

< 0.001

No

1576 (95.5)

1480 (89.9)

 

Yes

75 (4.5)

167 (10.1)

 

Physical activity in leisurec

  

< 0.001

Inactive

1040 (61.7)

1341 (79.0)

 

Active

646 (38.3)

356 (21.0)

 

Nutritional status (body mass index)

  

< 0.001

Underweight

25 (1.5)

44 (2.6)

 

Normal weight

610 (35.7)

772 (45.0)

 

Overweight

697 (40.7)

493 (28.7)

 

Obese

379 (22.2)

407 (23.7)

 

Anthropometric, adiposity and pulmonary function variables

Mean (SD)

Mean (SD)

P*

Height (cm)

174.4 (6.9)

161.4 (6.2)

< 0.001

Weight (kg)

82.2 (16.8)

69.6 (16.2)

< 0.001

Waist circumference

89.2 (11.8)

80.6 (12.0)

< 0.001

Total fat mass (%)

24.5 (9.2)

37.3 (8.5)

< 0.001

Subcutaneous adipose tissue (cm)

1.9 (1.0)

2.6 (1.2)

< 0.001

Visceral adipose tissue (cm)

6.9 (2.0)

4.9 (1.7)

< 0.001

FEV1 (liters)

4.0 (0.6)

2.9 (0.5)

< 0.001

FVC (liters)

4.8 (0.8)

3.5 (0.5)

< 0.001

  1. N number of observations, SD standard deviation, BMI body mass index, FEV 1 forced expiratory volume in the first second, FVC forced vital capacity
  2. aVariables collected in the perinatal follow up, other variables at 30 years
  3. bMaximum number of missing values: 104 observations in corticoids use
  4. cCutoff point for physical activity - 150 min/week as recommended by the World Health Organization for adults. P-value by qui-squared test *p-value by t-test