Table 2.
Results of multivariable logistic regression analysis (N=171).
| Variable | AOR1 (95%CI) | p-value |
|---|---|---|
| Model 1 – Constipation Symptom | ||
| Diet Category | ||
| Exclusive Breast Milk (Ref) | ||
| Partial Breast Milk | 5.99 (2.10–17.11) | 0.001 |
| No Breast Milk | 9.15 (2.92–28.61) | 0.004 |
| Risk Category | ||
| Low (Ref) | ||
| High | 1.79 (0.77–4.18) | 0.178 |
| Age2 | 0.93 (0.86–0.99) | 0.037 |
| Female Sex | 1.11 (0.51–2.41) | 0.792 |
| Mother’s Age at Birth | 0.98 (0.87–1.09) | 0.685 |
| Father’s Age at Birth | 1.02 (0.94–1.12) | 0.572 |
| Model 2 – Abdominal Distress Symptom | ||
| Diet Category | ||
| Exclusive Breast Milk (Ref) | ||
| Partial Breast Milk | 1.37 (0.61–3.10) | 0.445 |
| No Breast Milk | 1.73 (0.58–5.14) | 0.327 |
| Risk Category | ||
| Low (Ref) | ||
| High | 1.39 (0.63–3.07) | 0.414 |
| Age2 | 0.90 (0.79–1.03) | 0.128 |
| Female Sex | 1.70 (0.76–3.79) | 0.196 |
| Mother’s Age at Birth | 1.17 (1.04–1.32) | 0.009 |
| Father’s Age at Birth | 0.91 (0.84–0.98) | 0.015 |
| Model 3 – Reflux Symptom | ||
| Diet Category | ||
| Exclusive Breast Milk (Ref) | ||
| Partial Breast Milk | 1.31 (0.74–2.30) | 0.354 |
| No Breast Milk | 1.04 (0.39–2.80) | 0.939 |
| Risk Category | ||
| Low (Ref) | ||
| High | 1.50 (0.73–3.10) | 0.274 |
| Age2 | 0.81 (0.71–0.92) | 0.001 |
| Female Sex | 0.95 (0.47–1.92) | 0.877 |
| Mother’s Age at Birth | 1.06 (0.97–1.16) | 0.222 |
| Father’s Age at Birth | 1.03 (0.96–1.11) | 0.423 |
1
AOR = Adjusted Odds Ratio
2
For this repeated measures model, each diet category an infant participates in is a “measure”. “Age” refers to the age associated with each measure (i.e. the age that diet category began) and thus incorporates both start and completion of weaning ages.