Binary logistic regression examining the association between counselling model and key covariates on choice and receipt of a Tier 1 contraceptive method versus any other method
| Method chosen (n=16 929) | Method received (n=14 803) | |||
| OR (95% CI) | P value | OR (95% CI) | P value | |
| Counselling model | ||||
| Integrated | Ref | Ref | ||
| Telephone | 1.80 (1.66 to 1.96) | <0.001 | 1.60 (1.42 to 1.71) | <0.001 |
| Type of abortion | ||||
| Medical | Ref | Ref | ||
| Surgical | 3.29 (3.04 to 3.57) | <0.001 | 6.16 (5.58 to 6.80) | <0.001 |
| Weeks' gestation | ||||
| 0–9 | Ref | Ref | ||
| 10–15 | 0.98 (0.90 to 1.08) | 0.713 | 1.00 (0.91 to 1.10) | 0.997 |
| 16–24 | 0.96 (0.82 to 1.12) | 0.578 | 0.86 (0.72 to 1.01) | 0.071 |
| Age (years) | ||||
| 20–24 | Ref | Ref | ||
| 12–19 | 1.05 (0.96 to 1.16) | 0.303 | 1.16 (1.05 to 1.29) | 0.005 |
| 25–29 | 1.02 (0.94 to 1.12) | 0.634 | 1.08 (0.97 to 1.19) | 0.148 |
| 30–34 | 1.05 (0.94 to 1.21) | 0.394 | 1.07 (0.96 to 1.21) | 0.218 |
| 35–39 | 1.07 (0.94 to 1.21) | 0.321 | 1.14 (0.99 to 1.31) | 0.072 |
| 40–51 | 1.09 (0.91 to 1.29) | 0.360 | 1.07 (0.90 to 1.30) | 0.453 |
| Relationship status | ||||
| Married | Ref | Ref | ||
| Single | 0.78 (0.70 to 0.87) | <0.001 | 0.78 (0.70 to 0.88) | <0.001 |
| Divorced/separated/widowed | 0.83 (0.66 to 1.05) | 0.116 | 0.84 (0.66 to 1.08) | 0.171 |
| Race/ethnicity | ||||
| White | Ref | Ref | ||
| South Asian | 0.69 (0.60 to 0.87) | <0.001 | 0.63 (0.54 to 0.74) | <0.001 |
| Black | 0.85 (0.75 to 0.96) | 0.007 | 0.89 (0.78 to 1.02) | 0.087 |
| East Asian | 0.48 (0.36 to 0.64) | <0.001 | 0.47 (0.34 to 0.65) | <0.001 |
| Mixed/other | 0.92 (0.81 to 1.03) | 0.155 | 0.91 (0.80 to 1.04) | 0.185 |
| Previous abortion | ||||
| 0 | Ref | Ref | ||
| 1+ | 0.17 (1.09 to 1.25) | <0.001 | 1.12 (1.04 to 1.21) | 0.004 |
| Previous difficulty obtaining contraception | ||||
| No | Ref | Ref | ||
| Yes | 1.08 (0.96 to 1.25) | 0.228 | 1.10 (0.97 to 1.23) | 0.137 |
| Method use at conception | ||||
| Tier 3 | Ref | Ref | ||
| None | 0.91 (0.84 to 0.98) | 0.020 | 0.93 (0.85 to 1.01) | 0.094 |
| Tier 2 | 1.11 (1.02 to 1.21) | 0.015 | 1.15 (1.05 to 1.26) | 0.003 |
| Tier 1 | 2.42 (2.00 to 2.93) | <0.001 | 2.10 (1.71 to 2.59) | <0.001 |
The m odel controls for funding primary care organisation and year (coefficients not shown but available on request). Women who did not choose a method or who were unsure of which method to choose post-counselling were excluded from the model.
Method type: Tier 1 = intrauterine contraception , implant, sterilisation (for method chosen only); Tier 2 = injection, pill, ring, patch; Tier 3 = condom, diaphragm, fertility awareness based method, emergency contraception.