Table 2.
Frequencies and Logistic Regression Analyses Examining the Correlates of Uptake
| All |
Intervention |
Control |
|||||
|---|---|---|---|---|---|---|---|
| Attended [% (n)] (N = 2,012) | Unadjusted OR (95% CI) (N = 2,012) | Adjusted OR (95% CI) (n = 1,970) | Unadjusted OR (95% CI) (n = 1,006) | Adjusted OR (95% CI) (n = 983) | Unadjusted OR (95% CI) (n = 1,006) | Adjusted OR (95% CI) (n = 987) | |
| Sex | P = 0.557 | P = 0.433 | P = 0.828 | P = 0.944 | P = 0.290 | P = 0.237 | |
| F | 52.0 (479) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| M | 53.4 (574) | 1.05 (0.88–1.26) | 1.08 (0.90–1.29) | 0.97 (0.76–1.25) | 0.99 (0.76–1.29) | 1.14 (0.89–1.47) | 1.17 (0.90–1.52) |
| Age | P = 0.857 | P = 0.879 | P = 0.484 | P = 0.365 | P = 0.331 | P = 0.188 | |
| 1.00 (0.98–1.02) | 1.00 (0.98–1.02) | 0.99 (0.96–1.02) | 0.99 (0.96–1.02) | 1.02 (0.99–1.05) | 1.02 (0.99–1.05) | ||
| Ethnicity | P < 0.001 | P < 0.001 | P < 0.001 | P < 0.001 | P < 0.001 | P < 0.001 | |
| White | 54.1 (864) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Asian | 52.6 (20) | 0.85 (0.46–1.57) | 0.87 (0.45–1.69) | 1.13 (0.49–2.60) | 1.44 (0.56–3.75) | 0.61 (0.24–1.53) | 0.52 (0.20–1.37) |
| Black | 56.0 (107) | 1.11 (0.82–1.49) | 1.11 (0.82–1.51) | 1.09 (0.71–1.68) | 1.06 (0.68–1.65) | 1.12 (0.73–1.71) | 1.17 (0.76–1.81) |
| Mixed | 36.4 (12) | 0.47 (0.23–0.95) | 0.48 (0.24–1.00) | 0.35 (0.11–1.12) | 0.37 (0.11–1.23) | 0.56 (0.23–1.38) | 0.57 (0.23–1.43) |
| Other | 72.9 (43) | 2.29 (1.28–4.10) | 2.34 (1.30–4.20) | 1.82 (0.85–3.92) | 1.92 (0.89–4.15) | 3.07 (1.23–7.66) | 3.23 (1.28–8.14) |
| Not stated* | 8.9 (7) | 0.08 (0.04–0.18) | 0.09 (0.04–0.19) | 0.15 (0.06–0.35) | 0.15 (0.06–0.35) | 0.02 (0.00–0.17) | 0.03 (0.00–0.19) |
| Study-specific deprivation quintile† | P < 0.01‡ | P < 0.01 | P = 0.154‡ | P = 0.100 | P < 0.01‡ | P < 0.05 | |
| Quintile 1 (most deprived) | 45.2 (179) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Quintile 2 | 51.6 (205) | 1.29 (0.97–1.70) | 1.28 (0.96–1.71) | 1.25 (0.84–1.86) | 1.28 (0.85–1.92) | 1.31 (0.89–1.93) | 1.31 (0.87–1.96) |
| Quintile 3 | 57.5 (234) | 1.63 (1.23–2.15) | 1.62 (1.21–2.15) | 1.49 (1.00–2.21) | 1.49 (0.99–2.24) | 1.77 (1.20–2.62) | 1.74 (1.16–2.61) |
| Quintile 4 | 51.3 (195) | 1.27 (0.96–1.68) | 1.23 (0.92–1.64) | 0.98 (0.66–1.47) | 0.96 (0.64–1.45) | 1.63 (1.10–2.42) | 1.60 (1.06–2.41) |
| Quintile 5 (least deprived) | 58.2 (227) | 1.65 (1.25–2.19) | 1.68 (1.26–2.25) | 1.36 (0.91–2.02) | 1.44 (0.96–2.17) | 2.01 (1.35–2.99) | 1.93 (1.28–2.93) |
| Smoking status | P < 0.001§ | P < 0.01 | P < 0.05§ | P < 0.05 | P < 0.01§ | P < 0.05 | |
| Former smoker | 60.2 (299) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Current smoker | 50.3 (754) | 0.67 (0.55–0.82) | 0.70 (0.56–0.86) | 0.70 (0.52–0.94) | 0.72–0.53–0.97) | 0.65 (0.49–0.86) | 0.68 (0.51–0.92) |
| Invitation group | P = 0.789 | P = 0.843 | — | — | — | — | |
| Control | 53.0 (529) | 1.00 | 1.00 | — | — | — | — |
| Intervention | 52.5 (524) | 0.98 (0.82–1.16) | 0.98 (0.82–1.18) | — | — | — | — |
Definition of abbreviations: CI = confidence interval; OR = odds ratio.
Bold indicates ORs that are significant at P < 0.01.
*
No record of ethnic group in primary care.
†
2010 Index of Multiple Deprivation rank quintile with cutoffs based on distribution in LSUT sample.
‡
Cases with no Index of Multiple Deprivation rank and/or score were excluded (n = 26 in full sample).
§
Never smokers (n = 13 in full sample) and refused/missing smoking status (n = 3 in full sample) were excluded.