Table 1

Characteristics of population included in the present study, Pelotas, Brazil

Variable1982 Cohort (n=3626)1993 Cohort (n=3596)
N (%)*Mean (SD)†N (%) *Mean (SD)†
Sex
  Male1766 (48.7)1706 (47.4)
  Female1860 (51.3)1890 (52.6)
Gestational age (weeks)
 <37164 (5.6)283 (8.0)
  37–391336 (45.8)2741 (77.2)
 ≥401420 (48.6)527 (14.8)
Birth weight (g)
 <2500280 (7.7)338 (9.4)
  2500–2999956 (26.4)942 (26.2)
 ≥30002389 (65.9)2314 (64.4)
Skin colour
  White2750 (75.8)2163 (63.5)
  Non-white876 (24.2)1245 (36.5)
Maternal smoking during pregnancy
  Non-smokers2353 (65.0)2430 (67.6)
  Smoked in part of pregnancy276 (7.6)160 (4.4)
  Smoked in whole pregnancy990 (27.4)1006 (28.0)
Partner smoking‡
  No1166 (41.2)2433 (67.6)
  Yes1665 (58.8)1163 (32.4)
Familiar income at birth (minimum wage)
 ≤1715 (19.8)628 (17.8)
 1.1–3.01780 (49.3)1472 (41.7)
 3.1–6.0706 (19.6)877 (24.9)
 >6.0408 (11.3)550 (15.6)
Maternal schooling (years)
 0–42719 (75.1)950 (26.5)
 5–8399 (11.0)1695 (47.2)
 ≥9503 (13.9)946 (26.3)
Body mass index in adulthood (kg/m2)26.8 (5.5)25.2 (5.3)
 <18.571 (2.0)168 (4.7)
  18.5–24.91426 (40.4)1855 (52.1)
  25.0–29.91224 (34.7)959 (27.0)
 ≥30.0810 (22.9)577 (16.2)
Fat mass index (kg/m2)8.7 (4.3)7.9 (4.5)
Android to gynoid fat ratio0.50 (0.14)0.42 (0.12)
Waist circumference (cm)84.8 (12.6)80.0 (11.6)
Waist to height ratio0.51 (0.07)0.48 (0.07)
Lean mass index (kg/m2)16.7 (2.7)16.1 (2.6)
Height (cm)167.7 (9.2)167.4 (9.5)
  • *For the categorical variables.

  • †For the continuous variables.

  • ‡At 4 years for the 1982 cohort and in pregnancy for the 1993 cohort.

  • IQI, inter quartiles interval.