Table 3.
Prevalence of gestational diabetes mellitus in NHW and NHB by age and BMI and differences in prevalence (95 % CI)
| BMI (kg/m2) | Mother’s age ≤20 years
|
Mother’s age 20–29 years
|
Mother’s age 30–39 years
|
Mother’s age ≥40 years
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NHW | NHB | Difference (95 % CI) | NHW | NHB | Difference (95 % CI) | NHW | NHB | Difference (95 % CI) | NHW | NHB | Difference (95 % CI) | |
| 18.5–24.9 | 0.66 | 0.32 | 0.34 (0.19, 0.50) | 1.35 | 0.94 | 0.41 (0.28, 0.54) | 2.46 | 2.45 | 0.00 (−0.32, 0.33) | 3.36 | 3.35 | 0.01 (−1.35, 1.36) |
| 25–29.9 | 1.22 | 0.66 | 0.57 (0.20, 0.94) | 2.53 | 1.96 | 0.57 (0.32, 0.82) | 5.13 | 5.13 | 0.00 (−0.52, 0.52) | 8.96 | 8.06 | 0.90 (−1.25, 3.04) |
| 30–34.9 | 2.37 | 1.3 | 1.07 (0.27, 1.87) | 4.16 | 3.02 | 1.14 (0.72, 1.56) | 8.94 | 7.07 | 1.87 (1.02, 2.72) | 12.78 | 10.78 | 2.00 (−1.30, 5.31) |
| 35–39.9 | 3.21 | 2.15 | 1.07 (−0.54, 2.67) | 6.01 | 3.49 | 2.52 (1.82, 3.21) | 12.14 | 9.4 | 2.74 (1.30, 4.18) | 19.95 | 14.71 | 5.24 (−1.14, 11.62) |
| ≥40 | 4.63 | 2.39 | 2.24 (−0.48, 4.97) | 8.16 | 5.53 | 2.63 (1.63, 3.63) | 15.05 | 9.78 | 5.27 (3.46, 7.09) | 21.55 | 17.07 | 4.47 (−4.55, 13.49) |
| For all women | 1.05 | 0.61 | 0.45 (0.28, 0.61) | 2.4 | 2.03 | 0.36 (0.24, 0.49) | 4.52 | 5.29 | −0.76 (−1.05, −0.48) | 6.74 | 8.19 | −1.46 (−2.64, −0.28) |