| Standard letter | Telephone | Personalised letter | Total | Difference | |||||
---|---|---|---|---|---|---|---|---|---|---|
n | % | N | % | n | % | n | % | χ2 | df | |
Total | 1454 | Â | 1167 | Â | 1993 | Â | 4614 | Â | Â | Â |
 Age | ||||||||||
  40–54 | 1108 | 76.2 | 896 | 76.8 | 1462 | 73.4 | 3466 | 75.1 | 16.00*** | 2 |
  55–64 | 224 | 15.4 | 207 | 17.7 | 382 | 19.2 | 813 | 17.6 |  |  |
  65–74 | 122 | 8.4 | 64 | 5.5 | 149 | 7.5 | 335 | 7.3 |  |  |
  Missing | 0 |  | 0 |  | 0 |  | 0 |  |  |  |
 Gender | ||||||||||
  Male | 713 | 49.0 | 534 | 45.8 | 948 | 47.6 | 2195 | 47.6 | 2.79 | 1 |
  Female | 741 | 51.0 | 633 | 54.2 | 1045 | 52.4 | 2419 | 52.4 |  |  |
  Missing | 0 |  | 0 |  | 0 |  | 0 |  |  |  |
 Ethnicity | ||||||||||
  White British | 1100 | 93.9 | 915 | 95.1 | 1461 | 93.3 | 3476 | 93.9 | 3.49 | 1 |
  Non-WBRI | 72 | 6.1 | 47 | 4.9 | 105 | 6.7 | 224 | 6.1 |  |  |
  Missing | 282 |  | 205 |  | 427 |  | 914 |  |  |  |
 BMI (kg/m2) | ||||||||||
  Healthy range | 480 | 33.0 | 405 | 34.7 | 653 | 32.8 | 1538 | 33.3 | 3.77 | 3 |
  Overweight | 458 | 31.5 | 375 | 32.1 | 660 | 33.1 | 1493 | 32.4 |  |  |
  Obese | 312 | 21.5 | 240 | 20.6 | 380 | 19.1 | 932 | 20.2 |  |  |
  Morbidly obese | 39 | 2.7 | 34 | 2.9 | 58 | 2.9 | 131 | 2.8 |  |  |
  Missing | 165 |  | 113 |  | 242 |  | 520 |  |  |  |
 CVD risk | ||||||||||
  Low | 1295 | 89.1 | 1064 | 91.2 | 1752 | 88.0 | 4111 | 89.1 | 9.51 | 2 |
  Moderate | 140 | 9.6 | 86 | 7.4 | 203 | 10.2 | 429 | 9.3 |  |  |
  High | 19 | 1.3 | 17 | 1.5 | 38 | 1.9 | 74 | 1.6 |  |  |
  Missing | 0 |  | 0 |  | 0 |  | 0 |  |  |  |
 Deprivation (quintile) | ||||||||||
  1 (most deprived) | 226 | 15.5 | 180 | 15.4 | 379 | 19.0 | 785 | 17.0 | 39.72*** | 4 |
  2 | 285 | 19.6 | 233 | 20.0 | 469 | 23.6 | 987 | 21.4 |  |  |
  3 | 322 | 22.1 | 233 | 20.0 | 406 | 20.4 | 961 | 20.8 |  |  |
  4 | 461 | 31.7 | 410 | 35.1 | 524 | 26.3 | 1395 | 30.2 |  |  |
  5 | 160 | 11.0 | 111 | 9.5 | 213 | 10.7 | 484 | 10.5 |  |  |
  Missing | 0 |  | 0 |  | 2 |  | 2 |  |  |  |
 Area morphology | ||||||||||
  Urban | 1121 | 77.1 | 851 | 72.9 | 1571 | 78.9 | 3543 | 76.8 | 14.88*** | 1 |
  Rural | 333 | 22.9 | 316 | 27.1 | 420 | 21.1 | 1069 | 23.2 |  |  |
  Missing | 0 | 0.00 | 0 | 0.00 | 2 | 0.10 | 2 | 0.04 |  |  |