Descriptive statistics
| Variable | Combined (n=90 150) | NaSH (n=11 190) | PIS (n=82 263) | Comparison of NaSH and PIS | |
| LARC prescribed | Yes | 19 033 (21.1%) | 7559 (67.6%) | 11 888 (14.5%) | p<0.001 |
| No | 71 117 (78.9%) | 3631 (32.4%) | 70 375 (85.5%) | – | |
| vLARC prescribed | Yes | 13 824 (15.3%) | 7010 (62.6%) | 7049 (8.6%) | p<0.001 |
| No | 76 326 (84.7%) | 4180 (37.4%) | 75 214 (91.4%) | – | |
| SIMD quintile | 1 (most deprived) | 18 742 (20.8%) | 2742 (24.5%) | 16 702 (20.3%) | p<0.001 |
| 2 | 18 997 (21.0%) | 2481 (22.2%) | 17 201 (20.9%) | p=0.002 | |
| 3 | 18 367 (20.4%) | 2160 (19.3%) | 16 843 (20.5%) | p=0.004 | |
| 4 | 17 099 (19.0%) | 1914 (17.1%) | 15 698 (19.1%) | p<0.001 | |
| 5 (least deprived) | 16 945 (18.8%) | 1893 (16.6%) | 15 819 (19.2%) | p<0.001 | |
| Age (years) | Range | 13–54 | 13–54 | 13–54 | – |
| Mean | 28.6 (SD 8.9) | 29.3 (SD 9.4) | 28.4 (SD 8.8) | p<0.001 | |
| Median | 27.0 | 27.0 | 27.0 | – | |
| Age group (years) | <16 | 2237 (2.5%) | 296 (2.7%) | 2010 (2.4%) | p=0.200 |
| 16–19 | 11 733 (13.0%) | 1370 (12.2%) | 11 094 (13.5%) | p<0.001 | |
| 20–29 | 39 787 (44.1%) | 4753 (42.5%) | 36 493 (44.4%) | p<0.001 | |
| 30–39 | 23 298 (25.8%) | 2754 (24.6%) | 21 235 (25.8%) | p=0.006 | |
| 40–49 | 11 818 (13.1%) | 1807 (16.1%) | 10 329 (12.6%) | p<0.001 | |
| 50–54 | 1277 (1.4%) | 210 (1.9%) | 1102 (1.3%) | p<0.001 | |
LARC, long-acting reversible contraception; NaSH, Scottish National Sexual Health IT System; PIS, Prescribing Information System; SD, standard deviation; SIMD, Scottish Index of Multiple Deprivation; vLARC, very long-acting reversible contraception.