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Table 3 Effect of telephone call reminder

From: Response rate of patient reported outcomes: the delivery method matters

  Responders Non-responders
Not answered Non-responder despite promise Refused to participate
N (% of total) 59 (24%) 125 (50%) 45 (18%) 19 (8%)
Sex (female) 32 (54%) 66 (53%) 23(50%) 11 (58%)
Mean age (sd) 65.9 (11.9) 65.9 (11.1) 63.8 (11.4) 71 (11.3)
Education level
 Low 24 (41%) 55 (44%) 13 (29%) 11 (58%)
 Middle 20 (34%) 29 (23%) 16 (36%) 3 (16%)
 High 15 (41%) 41 (33%) 16 (36%) 5 (26%)
Time since the last visit
  < 5 yrs. 40 (68%) 66 (53%) 23 (51%) 13 (68%)
  ≥ 5 yrs. 19 (32%) 59 (47%) 22 (49%) 6 (32%)
  1. All non-responders (N = 248) were called 2 weeks after the first reminder. This table shows the demographics of this group. Half of the patients did not answer the telephone call. When patients did answer the telephone 59 out of 123 did participate, while 19 refused to participate. Another 45 patients promised to participate on the telephone but did not participate eventually