Table 4.
Crude and Adjusted Odds Ratios (OR) of the Risk Factors for Gestational Diabetes Mellitus
| Variables | Unadjusted OR (95% CI) | p-value | Adjusted OR (95% CI) | Adjusted p-value |
|---|---|---|---|---|
| Age (yrs) | ||||
| <25 | 1 | 1 | ||
| ≥25 | 3.178(1.526–6.616) | 0.002 | 2.326(1.103–4.903)a | 0.027 |
| Prepregnancy BMI | ||||
| Normal | 1 | 1 | ||
| <18.5 | 0.835(0.499–1.398) | 0.494 | 1.040(0.582–1.858) | 0.895 |
| ≥24.0 | 3.326(2.440–4.532) | <0.001 | 2.604(1.846–3.673)b | <0.001 |
| Fat mass percentage | ||||
| Normal | 1 | 1 | ||
| <18% | 1.191(0.516–2.748) | 0.682 | 1.242(0.510–3.024) | 0.634 |
| ≥28% | 2.431(1.803–3.277) | <0.001 | 1.572(1.104–2.240)c | 0.012 |
Notes: aMothers over 25 years of age were more likely to have increased risk of GDM than those who were younger after adjusting for pre-BMI and FMP. bOverweight women (pre-BMI≥24kg/m2) had a higher risk of developing GDM than women with normal pre-BMI after adjusting for age and FMP. cPregnant women with FMP over 28% had a higher risk of developing GDM than women with normal FMP after adjusting for age and pre-BMI.