Table 4 Unadjusted odds ratios for health facility delivery (N = 4198)
Variable | Odds Ratio | Standard Error | 95% CI | p-value |
|---|---|---|---|---|
Difference in delivery dates category | ||||
 Accurate EDD is 6 days before to 14 days after ADD | 1 (REF) |  |  |  |
 Underestimate EDD is 7 days or more before ADD | 1.005 | 0.157 | (0.739, 1.366) | 0.975 |
 Moderate overestimate EDD is 15 days to 35 days after ADD | 0.744 | 0.075 | (0.609, 0.907) | 0.004 |
 Severe overestimate EDD is 36 days or more after ADD | 0.710 | 0.068 | (0.588, 0.856) | < 0.001 |