Table 2 Selected characteristics of the study population by live births in three different periods during life-course, INCAP Longitudinal Study
Status at 1988 follow-up | |||||
Live births by the 1988-89 follow-up among women ≥15 y at the time of this survey | |||||
0 child (n= 422) | 1 child (n= 55) | 2 - 3 children a (n= 21) | |||
Age at the beginning of period (y) | 18.9 (2.9) | 22.4 (2.2) | 24.4 (1.8) | ||
BMI (kg/m2) | 20.4 (2.1) | 21.9 (2.3) | 21.0 (1.6) | ||
Waist circumference (cm) | 72.6 (5.2) | 76.1 (5.4) | 73.9 (5.3) | ||
Status at 2002 follow-up | |||||
Live births in the period 1988-2002 | |||||
0 child (n=86) | 1 child (n=95) | 2 children (n=151) | 3 children (n=173) | ≥ 4 children (n=273) | |
Age at the beginning of period (y) | 22.8 (8.1) | 19.9 (9.2) | 20.6 (9.1) | 22.9 (7.7) | 24.7 (6.7) |
Children liveborn prior to beginning of period (median, IQR) | 1 (0, 3) | 1 (0, 3) | 0 (0, 0) | 0 (0, 0) | 0 (0, 0) |
BMI at the beginning of period (kg/m2) | 19.5 (3.5) | 20.4 (3.5) | 19.8 (3.4) | 21.3 (3.6) | 21.9 (3.2) |
Change in BMI over period (kg/m2) | 4.5 (3.5) | 5.2 (3.4) | 6.7 (4.4) | 6.6 (4.4) | 5.4 (4.1) |
Waist circumference at the beginning of period (cm) | 69.7 (8.7) | 72.2 (9.7) | 70.9 (9.5) | 75.4 (9.7) | 78.3 (9.2) |
Change in waist circumference over period (cm) | 14.5 (8.9) | 16.8 (9.5) | 20.5 (11.4) | 19.2 (11.9) | 15.3 (11.9) |
Status at 2015 follow-up | |||||
Live births in the period 2002-2015 | |||||
0 child (n=346) | 1 child (n=188) | 2 children (n=78) | 3 children (n=28) | ≥ 4 children (n=45) | |
Age at the beginning of period (y) | 31.8 (4.3) | 32.8 (4.1) | 30.7 (3.6) | 32.3 (4.1) | 33.6 (4.4) |
Children liveborn prior to beginning of period (median, IQR) | 3 (2, 4) | 3 (2, 4) | 2 (1, 4) | 2 (0, 5) | 3 (2, 4) |
BMI at the beginning of period (kg/m2) | 24.8 (4.7) | 26.2 (4.8) | 25.9 (5.1) | 27.4 (4.3) | 27.4 (4.8) |
Change in BMI over period (kg/m2) | 2.3 (3.1) | 1.9 (2.8) | 1.9 (2.9) | 2.4 (3.1) | 2.5 (3.4) |
Waist circumference at the beginning of period (cm) | 86.8 (11.8) | 89.4 (11.5) | 89.5 (12.7) | 92.9 (10.8) | 94.2 (11.9) |
Change in waist circumference over period (cm) | 10.4 (6.7) | 9.4 (7.2) | 8.8 (7.6) | 9.6 (7.8) | 9.5 (8.0) |