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Table 2 Pre trial and during trial chlamydia testing numbers, percentages and positivity rates, by control (n = 23) and intervention (n = 20) groups

From: Incentive payments to general practitioners aimed at increasing opportunistic testing of young women for chlamydia: a pilot cluster randomised controlled trial

  Pre-trial period Trial period
  Women consulted
N
Women tested
N (%)
Positive women
N (%)
Women consulted
N
Women tested
N (%)
Positive women
N (%)
Women tested*
P value
Positive women**
P value
Control
16-24 yrs
2689 168 (6.2) 16 (9.5) 1792 157 (8.8) 15 (9.6) p<0.01 p = 0.99
Intervention
16-24 yrs
2662 305 (11.5) 28 (9.2) 1589 213 (13.4) 7 (3.3) p = 0.06 p = 0.01
  1. * The difference in proportion of the number of women tested for chlamydia in the pre-trial and trial periods.
  2. ** The difference in proportion of the number of women who tested positive for chlamydia in the pre-trial and trial periods.