TABLE 3.
Association Between Timing of Visit After 6 Days of Age and Infant and Physician Characteristics
| Variable | Age at Visit |
Unadjusted OR |
Adjusted OR |
|||
|---|---|---|---|---|---|---|
| <6 d | ≥6 d | OR (CI) | P | OR (CI) | P | |
| Type of delivery, n | ||||||
| Vaginal | 177 | 229 | Reference | Reference | ||
| Cesarean | 62 | 163 | 2.03 (1.43–2.89) | <.0001 | 2.48 (1.70–3.62) | <.0001 |
| Feeding, n | ||||||
| Breast | 137 | 196 | Reference | Reference | ||
| Breast and bottle | 65 | 110 | 1.14 (0.79–1.65) | .49 | 0.95 (0.63–1.42) | .79 |
| Bottle | 39 | 106 | 1.83 (1.20–2.78) | .005 | 1.60 (1.00–2.55) | .05 |
| Insurance, n | ||||||
| Commercial | 232 | 359 | Reference | Reference | ||
| Medicaid | 18 | 73 | 1.85 (1.21–2.84) | .005 | 1.89 (1.16–3.10) | .01 |
| US medical graduate, n | ||||||
| Yes | 211 | 365 | Reference | Reference | ||
| No | 37 | 59 | 1.09 (0.70–1.69) | .72 | 0.98 (0.60–1.60) | .94 |
| Physicians per practice, mean | 4.1 | 3.6 | 0.91 (0.85–0.97) | .003 | 0.93 (0.86–1.00) | .04 |
| Experience, mean, y | 22 | 21 | 1.00 (0.98–1.01) | .55 | 1.00 (0.98–1.01) | .46 |
Adjusted odds ratios were derived from multivariate models that include all variables considered for bivariate analysis. OR indicates odds ratio; CI, confidence interval.