Table 1 Sample characteristics by number of life events experienced during childhood
From: The experience of life events and body composition in middle childhood: a population-based study
Number of life events (0–10 years) | |||||
|---|---|---|---|---|---|
Child characteristics | Total (n = 5333) | 0–2 events (n = 1443) | 3–5 events (n = 2438) | 6 or more events (n = 1452) | p-value |
Age at 10 years visit, mean (SD) | 9.78 (0.33) | 9.75 (0.30) | 9.78 (0.32) | 9.83 (0.39) | < 0.001 |
Sex, % girl | 50.8 | 51.1 | 50.9 | 50.3 | 0.91 |
Ethnicity, % Dutch | 61.6 | 62.7 | 63.5 | 57.2 | 0.001 |
% Other western | 9.0 | 9.5 | 8.7 | 9.0 | |
% Non-western | 29.4 | 27.8 | 27.8 | 33.8 | |
Birth weight for gestational age SD score | -0.07 (1.02) | -0.04 (0.99) | -0.05 (1.01) | -0.14 (1.06) | 0.009 |
BMI at 10 years visit, mean (SD) | 17.54 (2.73) | 17.32 (2.63) | 17.49 (2.63) | 17.85 (2.97) | < 0.001 |
FMI at 10 years visit, mean (SD) | 4.85 (2.07) | 4.71 (2.00) | 4.80 (2.00) | 5.07 (2.23) | < 0.001 |
FFMI at 10 years visit, mean (SD) | 12.59 (1.09) | 12.52 (1.06) | 12.59 (1.06) | 12.66 (1.16) | 0.002 |
Family characteristics | |||||
Maternal educational level, % low | 18.4 | 15.2 | 16.2 | 25.4 | < 0.001 |
% medium | 30.6 | 26.4 | 28.8 | 37.8 | |
% high | 51.0 | 58.4 | 55.0 | 36.8 | |
Paternal educational level, % low | 18.7 | 16.0 | 15.8 | 26.8 | < 0.001 |
% medium | 26.6 | 23.5 | 26.0 | 31.0 | |
% high | 54.8 | 60.4 | 58.2 | 42.2 | |
Household income, % low (< 1600 per month) | 13.8 | 8.9 | 11.9 | 22.6 | < 0.001 |
% medium (1600–4000 per month) | 50.1 | 48.2 | 48.2 | 55.6 | |
% high (> 4000 per month) | 36.1 | 42.9 | 40.0 | 21.8 | |
Maternal BMI, median [IQR] | 23.71 [4.85] | 23.38 [4.49] | 23.67 [4.54] | 24.03 [5.28] | < 0.001 |
Paternal BMI, median [IQR] | 24.93 [4.17] | 24.93 [4.29] | 24.92 [4.05] | 25.00 [4.31] | 0.674 |
Maternal psychiatric symptoms (prenatal assessment), median [IQR] | 0.15 [0.25] | 0.12 [0.19] | 0.14 [0.22] | 0.21 [0.37] | < 0.001 |
Paternal psychiatric symptoms (prenatal assessment), median [IQR] | 0.06 [0.15] | 0.05 [0.14] | 0.06 [0.13] | 1.00 [0.19] | < 0.001 |