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Table 1 Description of the two general practitioner samples

From: Survey participation among general practitioners: comparison between teaching physicians and a random sample

  Teaching GP sample (online survey) Random GP sample (postal survey) Total
N contacted
 Total 589 400 989
 Women 210 (35.7%) 200 (50.0%) 410 (41.5%)
 Men 379 (64.3%) 200 (50.0%) 579 (58.5%)
N non eligiblea 6 2 8
N analysed sample 583 398 981
N returned questionnaires 120 (20.6%) 269 (67.6%) 389 (39.7%)
N < 90% item response (valued as non-response) 10 (1.7%) 32 (8.0%) 42 (4.3%)
N valid response 110 (18.9%) 237 (59.5%) 347 (35.4%)
Experience as GP [years in practice, mean (SD)] 18.7 (8.7) 17.7 (9.7) 18.1 (9.4)
Using memory tests in practice
 N yes 97 (88.2%) 191 (80.6%) 288 (83.0%)
 N no 13 (11.8%) 46 (19.4%) 59 (17.0%)
  1. GP general practitioner, N number, SD standard deviation
  2. aTermination of practice, parental leave, incorrect contact information