Table 1 BMI z-score at various ages by category of maternal education, N = 16,861 (estimated from multilevel models)
From: Socioeconomic differences in childhood BMI trajectories in Belarus
Predicted BMI z-score by category of maternal education (95% confidence interval) | Complete university compared to common or incomplete secondary | |||||||
|---|---|---|---|---|---|---|---|---|
Age | Initial, incomplete or common secondary | Advanced secondary or partial university | Completed university | Absolute difference in BMI z-scores | ||||
Girls | ||||||||
N = 8139 | 2943 | 4085 | 1111 | |||||
Birth | −0.64 | (−0.7, −0.59) | −0.58 | (−0.63, −0.53) | −0.51 | (−0.58, −0.45) | 0.13 | (0.07, 0.19) |
3 months | −0.08 | (−0.14, −0.03) | −0.07 | (−0.12, −0.02) | −0.09 | (−0.16, −0.02) | 0.00 | (−0.07, 0.06) |
6 months | 0.37 | (0.32, 0.42) | 0.37 | (0.32, 0.41) | 0.35 | (0.28, 0.41) | −0.02 | (−0.08, 0.03) |
9 months | 0.82 | (0.77, 0.87) | 0.81 | (0.76, 0.85) | 0.78 | (0.72, 0.84) | −0.04 | (−0.09, 0.01) |
1 year | 1.28 | (1.22, 1.33) | 1.25 | (1.2, 1.3) | 1.22 | (1.15, 1.29) | −0.06 | (−0.12, 0.01) |
2 years | 0.78 | (0.73, 0.84) | 0.74 | (0.69, 0.8) | 0.73 | (0.66, 0.8) | −0.05 | (−0.12, 0.02) |
3 years | 0.36 | (0.29, 0.43) | 0.32 | (0.26, 0.38) | 0.32 | (0.23, 0.41) | −0.04 | (−0.13, 0.06) |
4 years | 0.23 | (0.17, 0.29) | 0.22 | (0.16, 0.27) | 0.23 | (0.15, 0.31) | 0.00 | (−0.08, 0.08) |
5 years | 0.09 | (0.04, 0.15) | 0.12 | (0.06, 0.17) | 0.14 | (0.07, 0.21) | 0.04 | (−0.03, 0.11) |
6 years | −0.04 | (−0.1, 0.02) | 0.01 | (−0.04, 0.07) | 0.05 | (−0.03, 0.12) | 0.08 | (0.01, 0.16) |
6.5 years | −0.11 | (−0.16, −0.05) | −0.04 | (−0.09, 0.02) | 0.00 | (−0.08, 0.08) | 0.11 | (0.03, 0.18) |
7 years | −0.17 | (−0.23, −0.11) | −0.09 | (−0.14, −0.03) | −0.05 | (−0.13, 0.04) | 0.13 | (0.04, 0.21) |
Boys | ||||||||
N = 8722 | 3143 | 4395 | 1184 | |||||
Birth | −0.61 | (−0.67, −0.56) | −0.53 | (−0.58, −0.47) | −0.50 | (−0.57, −0.43) | 0.11 | (0.05, 0.17) |
3 months | −0.23 | (−0.29, −0.17) | −0.16 | (−0.22, −0.1) | −0.22 | (−0.3, −0.15) | 0.01 | (−0.06, 0.08) |
6 months | 0.26 | (0.21, 0.32) | 0.32 | (0.26, 0.37) | 0.28 | (0.21, 0.35) | 0.02 | (−0.04, 0.07) |
9 months | 0.76 | (0.7, 0.82) | 0.79 | (0.74, 0.85) | 0.78 | (0.72, 0.85) | 0.02 | (−0.03, 0.08) |
1 year | 1.26 | (1.2, 1.32) | 1.27 | (1.21, 1.32) | 1.29 | (1.21, 1.36) | 0.03 | (−0.04, 0.1) |
2 years | 0.79 | (0.73, 0.85) | 0.78 | (0.72, 0.84) | 0.77 | (0.7, 0.85) | −0.01 | (−0.09, 0.06) |
3 years | 0.39 | (0.32, 0.47) | 0.38 | (0.31, 0.44) | 0.35 | (0.26, 0.45) | −0.04 | (−0.14, 0.06) |
4 years | 0.29 | (0.22, 0.36) | 0.31 | (0.25, 0.37) | 0.31 | (0.22, 0.39) | 0.02 | (−0.06, 0.1) |
5 years | 0.19 | (0.12, 0.25) | 0.23 | (0.18, 0.29) | 0.26 | (0.18, 0.34) | 0.08 | (0, 0.15) |
6 years | 0.08 | (0.02, 0.15) | 0.16 | (0.11, 0.22) | 0.22 | (0.14, 0.29) | 0.13 | (0.06, 0.21) |
6.5 years | 0.03 | (−0.03, 0.1) | 0.13 | (0.07, 0.19) | 0.19 | (0.11, 0.28) | 0.16 | (0.08, 0.24) |
7 years | −0.02 | (−0.09, 0.05) | 0.09 | (0.03, 0.15) | 0.17 | (0.08, 0.26) | 0.19 | (0.1, 0.27) |
