Table 1 Demographic characteristics of study participants and comparative data from the case note audit
Demographic characteristics | Study sample n (%) | Sample included in the case notes audit n (%) | Difference in proportions (95 % CI) |
|---|---|---|---|
Age | N = 14148 | N = 122740 | |
18 – 24 | 1088 (7.69) | 16405 (13.37) | -5.68 (-5.18, -6.15) |
25 - 34 | 2513 (17.76) | 30117 (24.54) | -6.78 (-6.09, -7.44) |
35 - 44 | 3287 (23.23) | 28796 (23.46) | -0.23 (-0.51, 0.96) |
45 - 54 | 3519 (24.87) | 25359 (20.66) | 2.57 (1.84, 3.31) |
55 - 64 | 2474 (17.49) | 14269 (11.63) | 5.86 (5.22, 6.53) |
65 - 74 | 980 (6.93) | 5617 (4.58) | 2.35 (1.92, 2.90) |
75+ | 287 (2.03) | 2177 (1.77) | 0.25 (0.02, 0.51) |
Gender | N = 13954 | N = 122585 | |
Female | 9656 (69.24) | 79157 (64.57) | 4.63 (3.81, 5.43) |
Male | 4298 (30.76) | 43428 (35.43) | - |
Ethnicity | N = 14004 | N = 101550 | |
White | 13134 (93.79) | 90769 (89.38) | 4.41 (3.95, 4.84) |
Asian | 348 (2.48) | 3736 (3.68) | -1.19 (-0.9, -1.47) |
Black | 159 (1.14) | 2788 (2.75) | -1.61 (-1.40, -1.80) |
Mixed | 219 (1.56) | 2181 (2.15) | -0.58 (-0.35, -0.80) |
Chinese/Other | 144 (1.03) | 2078 (2.05) | -1.02 (-0.81, -1.20) |