Table 1 Distribution of socio-demographic characteristics within the total study population and their association with referral into SP, cohort study 1
Variables | Total N 447,360 (%) | Events (SP) N 15,454 (%) | Rates per 1000 P/Y | RR (95% CI) | P value | RRa (95% CI) | P value | |
|---|---|---|---|---|---|---|---|---|
Gender | Male | 219,795 (49.1) | 5990 (38.8) | 7.5 (7.3–7.7) | 1 | <0.001 | 1 | <0.001 |
Female | 227,498 (50.9) | 9462 (61.2) | 11.8 (11.5–12.0) | 1.57 (1.52–1.62) | 1.74 (1.68–1.80) | |||
Missing | 67 (0.01) | 2 (0.01) | ||||||
Age | Median (IQR) | 33 (28, 42) | 43 (33, 57) | |||||
Ethnicity | White | 184,631 (41.3) | 5031 (32.6) | 7.5 (7.3–7.7) | 1 | 1 | ||
South Asian | 93,722 (21.0) | 5513 (35.7) | 15.5 (15.1–15.9) | 2.07 (1.99–2.15) | <0.001 | 2.27 (2.18–2.36) | <0.001 | |
Chinese | 16,191 (3.6) | 77 (0.5) | 1.4 (1.1–1.8) | 0.19 (0.15–0.24) | <0.001 | 0.25 (0.20–0.32) | <0.001 | |
Black | 18,298 (4.1) | 1290 (8.4) | 19.1 (18.1–20.2) | 2.55 (2.40–2.72) | <0.001 | 2.02 (1.90–2.15) | <0.001 | |
Arab | 1931 (0.4) | 91 (0.6) | 16.6 (13.6–20.4) | 2.22 (1.81–2.73) | <0.001 | 2.54 (2.07–3.13) | <0.001 | |
Mixed/others | 23,491 (5.3) | 694 (4.5) | 9.1 (8.5–9.9) | 1.22 (1.23–1.32) | <0.001 | 1.37 (1.26–1.48) | <0.001 | |
Missing | 109,096 (24.4) | 2758 (17.9) | ||||||
IMD quintiles | 1st and 2nd (most deprived) | 371,964 (83.2) | 14,167 (91.7) | 10.6 (10.4–10.8) | 2.13 (1.98–2.28) | <0.001 | 2.18 (1.97–2.40) | |
4th and 5th (least deprived) | 31,064 (6.9) | 462 (3.0) | 4.1 (3.6–4.5) | 1 | 1 | |||
Missing | 3372 (0.8) | 15 (0.1) | ||||||