Table 1

Mean Papanicolaou screens per week overall and by interval since last cervical screen in May/June 2006 compared with the advertising period May/June 2007

Screening group/intervalMay/June 2006May/June 2007Difference (%) and adjusted* difference (%) between 2006 and 2007t Value; pr > |t|
All women12284148162532 (20.6)
2237 (17.8)		4.39; 0.0005
3.84; 0.0014
0–21 months3540362181 (2.3)
292 (8.2)		0.60; 0.5549
2.24; 0.0394
21–27 months30723680608 (19.8)
514 (16.7)		3.52; 0.0028
2.93; 0.0098
27–36 months23152783467 (20.2)
434 (18.7)		4.27; 0.0006
3.95; 0.0012
36–48 months727924197 (27.1)
191 (26.3)		5.09; 0.0001
4.92; 0.0002
48+ months8891366477 (53.7)
329 (37.0)		9.03; <0.0001
6.01; <0.0001
No prior PTR†-recorded Papanicolaou screen17392440701 (40.3)
495 (28.5)		6.69; <0.0001
4.60; 0.0003

  • ↵* Adjusted for change between 2006 and 2007 in mean weekly screens occurring outside advertising campaign period.

  • ↵† PTR, Papanicolaou Test Register.