Table 1.
Unadjusted characteristics of study population by deprivation quintile (UK cystic fibrosis registry 1996 to 2009)
| 1 (least deprived) | 2 | 3 | 4 | 5 (most deprived) | All | p value | ||
|---|---|---|---|---|---|---|---|---|
| Number of patients | 1537 (19%) | 1563 (19%) | 1591 (20%) | 1736 (22%) | 1628 (20%) | 8055 | 0·0018 | |
| Observations (for weight SD score) | 9500 (19%) | 9706 (20%) | 9708 (20%) | 10 550 (21%) | 9873 (20%) | 49 337 | <0·0001 | |
| Female sex | 712 (46%) | 726 (46%) | 728 (46%) | 825 (48%) | 773 (48%) | 3764 (47%) | 0·38 | |
| Age in days at diagnosis (IQR) | 121 (30–731) | 121 (30–670) | 113 (30–730) | 109 (30–728) | 120 (30–730) | 120 (30–730) | 0·39 | |
| Number of delta F508 alleles | ||||||||
| 2 | 824 (54%) | 827 (53%) | 822 (52%) | 907 (52%) | 779 (48%) | 4159 (52%) | 0·0022 | |
| 1 | 543 (35%) | 556 (36%) | 560 (35%) | 609 (35%) | 594 (37%) | 2862 (36%) | 0·63 | |
| 0 | 170 (11%) | 180 (12%) | 209 (13%) | 220 (13%) | 255 (16%) | 1034 (13%) | <0·0001 | |
| Non-white | 31 (2%) | 31 (2%) | 52 (3%) | 73 (4%) | 120 (7%) | 307 (4%) | <0·0001 | |
| Screened | 233 (15%) | 272 (17%) | 245 (15%) | 282 (16%) | 277 (17%) | 1309 (16%) | 0·39 | |
| Birth cohort | ||||||||
| 1957 to 1966 | 62 (4%) | 49 (3%) | 64 (4%) | 51 (3%) | 35 (2%) | 261 (3%) | <0·0045 | |
| 1967 to 1976 | 157 (10%) | 172 (11%) | 182 (11%) | 171 (10%) | 153 (9%) | 835 (10%) | 0·23 | |
| 1977 to 1986 | 329 (21%) | 384 (25%) | 369 (23%) | 426 (25%) | 396 (24%) | 1904 (24%) | 0·09 | |
| 1987 to 1996 | 496 (32%) | 478 (31%) | 489 (31%) | 535 (31%) | 530 (33%) | 2528 (31%) | 0·82 | |
| 1997 to 2006 | 396 (26%) | 393 (25%) | 396 (25%) | 427 (25%) | 410 (25%) | 2022 (25%) | 0·62 | |
| 2007 to <2010 | 97 (6%) | 87 (6%) | 91 (6%) | 126 (7%) | 104 (6%) | 505 (6%) | 0·32 | |
Data are n (%) unless otherwise stated.