TABLE 3.
Multiple logistic regression of potential determinants of OGTT testing among women with an increased risk with whom an OGTT was discussed
| Determinants | No. of participants | No. with OGTT performed, n (%; 95% CI) | Unadjusted OR (95% CI) | Adjusted OR a (95% CI) |
|---|---|---|---|---|
| All | 292 | 226 (77; 72–82) | – | – |
| Predicted GDM risk (%) | 1.11 (1.05–1.20) | 1.10 (1.04–1.18) | ||
| Polycystic ovarian syndrome | ||||
| Yes | 24 | 15 (62; 43–79) | 0.45 (0.19–1.12) | 0.36 (0.13–1.00) |
| No | 268 | 211 (79; 73–83) | 1 (Reference) | 1 (Reference) |
| Educational level | ||||
| Primary or secondary | 132 | 108 (82; 74–87) | 1 (Reference) | 1 (Reference) |
| Tertiary | 160 | 118 (74; 66–80) | 0.62 (0.35–1.09) | 0.79 (0.43–1.43) |
| Concerns regarding GDM | 1.32 (0.98–1.80) | 1.21 (0.87–1.70) | ||
| Concerns regarding macrosomia | 0.97 (0.68–1.42) | 0.89 (0.60–1.35) | ||
| Counseling of GDM risk | ||||
| by midwife | 201 | 152 (76; 69–81) | 1 (Reference) | 1 (Reference) |
| by obstetrician | 91 | 74 (81; 72–88) | 1.40 (0.77–2.66) | 1.50 (0.77–3.08) |
Abbreviations: CI, confidence interval; GDM, gestational diabetes mellitus; OGTT, oral glucose tolerance test; OR odds ratio.
a
Odds ratios adjusted for variables listed in left column.