| Demographic group | GPs who performed injections in the past year, n (% of that subgroupa) | χ2 test, P value | Median injections performed by injection group, n | Interquartile range | Kruskal–Wallis test, P value |
|---|---|---|---|---|---|
| Sex | |||||
| Male | 109 (84.5) | 25.86, <0.001 | 30.0 | 12.0–50.0 | 32.51, <0.001 |
| Female | 38 (51.4) | 10.0 | 5.0-15.7 | ||
| Prefer not to say | 0 (0) | 0.0 | 0.0 | ||
| Age, years | |||||
| <45 | 60 (73.2) | 37.30, 0.59 | 24.5 | 8.7–40.0 | 1.89, 0.387 |
| 45–55 | 45 (70.3) | 20.0 | 10.0–40.0 | ||
| >55 | 42 (72.4) | 20.0 | 10.0–60.0 | ||
| Career length, years | |||||
| <10 | 39 (75.0) | 57.58, 0.68 | 16.0 | 5.0–40.0 | 4.89, 0.087 |
| 10–20 | 46 (73.0) | 30.0 | 12.0–50.0 | ||
| >20 | 62 (69.7) | 20.0 | 10.0–50.0 | ||
| Practice setting | |||||
| Urban | 61 (62.9) | 7.78, 0.02 | 20.0 | 10.0–40.0 | 2.10, 0.350 |
| Rural | 23 (82.1) | 30.0 | 10.0–50.0 | ||
| Mixed urban and rural | 63 (79.8) | 27.0 | 10.0–50.0 | ||
| Job role | |||||
| GP principal or partner | 121 (74.2) | 2.13, 0.54 | 27.0 | 10.0–50.0 | 11.38, 0.010 |
| GP assistant | 19 (63.3) | 16.0 | 8.5–35.0 | ||
| Locum | 6 (66.7) | 4.5 | 2.5–5.7 | ||
| Other | 1 (50.0) | 12.0 | 6.5–7.5 | ||
aSee Supplementary Table S1 for subgroup N-values.