Table 2.
Poisson regression models predicting child general practice utilisation
| Children with siblings (n=4519) | ||||
| Model 1 | Model 2 | |||
| Rate ratio (95% CI) | P values | Rate ratio (95% CI) | P values | |
| Child characteristics | ||||
| Child age band (vs 0–5) | ||||
| 6–10 | 0.42 (0.40 to 0.44) | <0.001 | 0.42 (0.40 to 0.44) | <0.001 |
| 11–15 | 0.39 (0.37 to 0.42) | <0.001 | 0.39 (0.37 to 0.42) | <0.001 |
| Child female (vs male) | 1.02 (0.97 to 1.07) | 0.421 | 1.02 (0.97 to 1.07) | 0.392 |
| Child Index of Multiple Deprivation (IMD) quintile (vs 1) | ||||
| 2 | 0.93 (0.82 to 1.06) | 0.265 | 0.98 (0.87 to 1.11) | 0.773 |
| 3 | 0.97 (0.86 to 1.11) | 0.676 | 1.02 (0.90 to 1.15) | 0.753 |
| 4 | 0.99 (0.87 to 1.12) | 0.862 | 1.03 (0.91 to 1.16) | 0.648 |
| 5 | 0.95 (0.83 to 1.07) | 0.390 | 1.00 (0.88 to 1.12) | 0.944 |
| Child long-term condition (vs not) | 1.96 (1.80 to 2.14) | <0.001 | 1.91 (1.75 to 2.09) | <0.001 |
| Parent characteristics | ||||
| Parent with asthma (vs not) | – | – | 1.05 (0.92 to 1.19) | 0.500 |
| Parent with depression (vs not) | – | – | 1.08 (0.97 to 1.19) | 0.162 |
| Parent with diabetes (vs not) | – | – | 0.91 (0.77 to 1.07) | 0.234 |
| Parent with epilepsy (vs not) | – | – | 1.08 (0.74 to 1.56) | 0.701 |
| Parent with hypertension (vs not) | – | – | 0.93 (0.83 to 1.05) | 0.230 |
| Parent with a mental health condition (vs not) | – | – | 0.99 (0.74 to 1.34) | 0.964 |
| Parent with osteoarthritis (vs not) | – | – | 1.24 (1.01 to 1.52) | 0.036 |
| Parent general practice appointments | – | – | 1.07 (1.06 to 1.08) | <0.001 |
Models first control for just child characteristics (model 1), and then both child and parent characteristics (model 2).