Table 2.
Unstandardised factor loadings for the eight-dimensional model of preconception and interconception health risk factors in the full sample (n=1080)
| Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | Cluster 5 | Cluster 6 | Cluster 7 | Cluster 8 | |
| Thyroid | Fertility | Smoking | Delivery outcomes | Mental health | Pregnancy outcomes | Low income | Health behaviours | |
| Prescription medication | 1.416 | 0 | 0.001 | 0.029 | 0.013 | 0.007 | 0.025 | 0.025 |
| Thyroid disease | 0.451 | 0.296 | 0.012 | 0.055 | 0.282 | 0.018 | 0.098 | 0.055 |
| ART use | 0.014 | 0.621 | 0.045 | 0.144 | 0.005 | 0.025 | 0.171 | 0.105 |
| Miscarriage | 0.032 | 0.36 | 0.04 | 0.073 | 0.017 | 0.098 | 0.123 | 0.033 |
| Complementary medication | 0.018 | 0.358 | 0.04 | 0.009 | 0.022 | 0.025 | 0.129 | 0.062 |
| Cannabis use | 0.097 | 0.045 | 0.654 | 0.075 | 0.045 | 0.031 | 0.011 | 0.128 |
| Tobacco use | 0.007 | 0.365 | 0.548 | 0.021 | 0.066 | 0.207 | 0.143 | 0.034 |
| Preterm birth | 0.189 | 0.108 | 0.51 | 0.171 | 0.053 | 0.013 | 0.178 | 0.016 |
| Planned c-section | 0.011 | 0.087 | 0.013 | 0.847 | 0.036 | 0.02 | 0.008 | 0.039 |
| Unplanned c-section | 0.009 | 0.048 | 0.025 | 0.691 | 0.029 | 0.324 | 0.019 | 0.063 |
| High birth weight | 0.021 | 0.088 | 0.166 | 0.256 | 0.094 | 0.054 | 0.18 | 0.052 |
| Depression | 0.016 | 0.099 | 0.05 | 0.006 | 0.985 | 0.007 | 0.078 | 0.027 |
| Anxiety | 0.1 | 0.09 | 0 | 0.033 | 0.792 | 0.018 | 0.041 | 0.02 |
| Loneliness | 0.017 | 0.021 | 0.096 | 0.062 | 0.618 | 0.014 | 0.139 | 0.015 |
| BMI status | 0.004 | 0.012 | 0.04 | 0.017 | 0.062 | 0.714 | 0.183 | 0.013 |
| Gestation diabetes | 0.009 | 0.022 | 0.376 | 0.021 | 0.031 | 0.678 | 0.054 | 0.209 |
| High pregnancy blood pressure | 0.033 | 0.319 | 0.271 | 0.029 | 0.058 | 0.368 | 0.034 | 0.098 |
| Over-the-counter medication | 0.124 | 0.204 | 0.028 | 0.029 | 0.023 | 0.258 | 0.156 | 0.058 |
| Asthma | 0.045 | 0.284 | 0.066 | 0.081 | 0.088 | 0.251 | 0.053 | 0.161 |
| Unemployment | 0.001 | 0.001 | 0.006 | 0.084 | 0.05 | 0.268 | 0.807 | 0.014 |
| Low income | 0.044 | 0.117 | 0.144 | 0.133 | 0.041 | 0.008 | 0.574 | 0.061 |
| Frequent alcohol use | 0.044 | 0.09 | 0.16 | 0.057 | 0.213 | 0.116 | 0.415 | 0.013 |
| Fair/poor eating habits | 0.005 | 0.022 | 0.354 | 0.006 | 0.202 | 0.02 | 0.028 | 0.629 |
| Low physical activity | 0.034 | 0.027 | 0.045 | 0.006 | 0.094 | 0.078 | 0.224 | 0.533 |
Only risk factors prevalent in ≥5% of the sample were included in this model.
Shaded boxes represent the items that load onto each cluster
ART, artificial reproductive therapy; BMI, body mass index.