Table 3.
FPG (mmol/L) | Birthweight (g)a | Birthweight z-score (SDs)b | |||
---|---|---|---|---|---|
P for interactionc | 0.028 | 0.012 | |||
Tertiles of inositol | Inositol z-score, range | βd (95% CI) | P value | βd (95% CI) | P value |
Whole sample | |||||
Lowest (n = 245e) | −3.337, −0.470 | 174.2 (81.2, 267.2) | <0.001 | 0.6 (0.3, 0.9) | <0.001 |
Middle (n = 240e) | −0.469, 0.336 | 202.0 (103.8, 300.1) | <0.001 | 0.7 (0.4, 1.0) | <0.001 |
Highest (n = 239e) | 0.337, 3.990 | 81.0 (−21.2, 183.2) | 0.120 | 0.2 (−0.1, 0.6) | 0.177 |
Cases of normoglycaemiaf | |||||
Lowest (n = 189e) | −3.337, −0.470 | 175.0 (54.4, 295.6) | 0.005 | 0.6 (0.2, 1) | 0.003 |
Middle (n = 198e) | −0.469, 0.336 | 136.9 (1.1, 272.7) | 0.048 | 0.5 (0, 0.9) | 0.041 |
Highest (n = 199e) | 0.337, 3.914 | 114.0 (−24.1, 252) | 0.105 | 0.3 (−0.1, 0.7) | 0.193 |
Cases of gestational diabetes (GDM)g | |||||
Lowest (n = 56e) | −3.096, −0.481 | 239.3 (64.0, 414.6) | 0.009 | 0.9 (0.3, 1.5) | 0.002 |
Middle (n = 42e) | −0.436, 0.315 | 181.9 (4.3, 359.4) | 0.045 | 0.6 (0, 1.1) | 0.040 |
Highest (n = 40e) | 0.355, 3.990 | −78.9 (−308.2, 150.5) | 0.488 | −0.4 (−1.2, 0.4) | 0.280 |
FPG fasting plasma glucose, GDM gestational diabetes mellitus.
aAdjusted for maternal age, ethnicity, parity, pre-pregnancy BMI, tobacco smoke exposure, gestational age, and neonatal sex.
bAdjusted for maternal age, ethnicity, parity, pre-pregnancy BMI, and tobacco smoke exposure.
cInteraction between placental inositol tertiles and FPG on birthweight/birthweight z-score with adjustment for covariates in the whole sample.
dBeta (β) represents the change in g or SDs per mmol/L increase in FPG.
eOnly cases with full data sets available are presented.
fDefined as those with normal oral glucose tolerance test by the WHO 1999 criteria.
gAbnormal oral glucose tolerance test by the WHO 1999 criteria (FPG ≥ 7.0 mmol/L or 2hPG ≥ 7.8 mmol/L).