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Table 4 Perception of value attributes of generic drugs according to race and family income

From: Perceptions of the population regarding generic drugs in Brazil: a nationwide survey

   All (n = 5000) Race Family Income (minimum wages)a
  N(%)   White Nonwhite 1 - 2 2 - 10 >10 Did not answered
Generic drugs are less effective (less powerful) than brand name drugs I agree 1520 (30.4) 545 (27.1) 975 (32.6) 848 (32.4) 598 (28.8) 53 (24.3) 21 (23.9)
I disagree 2942 (58.8) 1258 (62.6) 1684 (56.3) 1456 (55.7) 1291 (62.1) 140 (64.2) 55 (62.5)
I don’t know/Did not answer 538 (10.8) 206 (10.3) 332 (11.1) 311 (11.9) 190 (9.1) 25 (11.5) 12 (13.6)
p-value b   <0.001 <0.001
Brand drugs cause more side effects (adverse reactions) than generic drugs. I agree 1403 (28.1) 444 (22.1) 959 (32.1) 861 (32.9) 492 (23.7) 33 (15.1) 17 (19.3)
I disagree 2798 (56.0) 1243 (61.9) 1555 (52.0) 1323 (50.6) 1272 (61.2) 146 (67.0) 57 (64.8)
I don’t know/Did not answer 799 (16.0) 322 (16.0) 477 (15.9) 431 (16.5) 315 (15.2) 39 (17.9) 14 (15.9)
p-value b   <0.001 <0.001
Brand drugs take more time to the effect when compared to generic drugs I agree 632 (12.6) 209 (10.4) 423(14.1) 382 (14.6) 221 (10.6) 20 (9.2) 9 (10.2)
I disagree 3672 (73.4) 1514 (75.4) 2158 (72.1) 1856 (71.0) 1589 (76.4) 173 (79.3) 54 (61.4)
I don’t know/Did not answer 696 (13.9) 286 (14.2) 410 (13.7) 377 (14.4) 269 (13.0) 25 (11.5) 25 (28.4)
p-value b   <0.001 <0.001
Generic drugs are more suitable or appropriate than brand name drugs for mild, banal or less serious diseases. I agree 2049 (41.0) 683 (34.0) 1366 (45.7) 1164 (44.5) 789 (38.0) 80 (36.7) 16 (18.2)
I disagree 2344 (46.9) 1074 (53.5) 1270 (42.5) 1120 (42.8) 1054 (50.7) 112 (51.4) 58 (65.9)
I don’t know/Did not answer 607 (12.1) 252 (12.5) 355 (11.9) 331 (12.7) 236 (11.3) 26 (11.9) 14 (15.9)
p-value b   <0.001 <0.001
Physicians prefer to prescribe generic drugs. I agree 2289 (45.8) 851 (42.4) 1438 (48.1) 1317 (50.4) 896 (43.1) 62 (28.4) 14 (15.9)
I disagree 2090 (41.8) 886 (44.1) 1204 (40.3) 981 (37.5) 959 (46.1) 120 (55.1) 30 (34.1)
I don’t know/Did not answer 621 (12.4) 272 (13.5) 349 (11.7) 317 (12.1) 224 (10.8) 36 (16.5) 44 (50.0)
p-value b   <0.001 <0.001
If there was not a price difference (generics are cheaper), I would always prefer taking a brand name drug. I agree 2962 (59.2) 1114 (55.5) 1848 (61.8) 1609 (61.5) 1201 (57.8) 127 (58.3) 25 (28.4)
I disagree 1666 (33.3) 723 (36.0) 943 (31.5) 827 (31.6) 731 (35.2) 73 (33.5) 35 (39.8)
I don’t know/Did not answer 372 (7.4) 172 (8.6) 200 (6.7) 179 (6.9) 147 (7.1) 18 (8.3) 28 (31.8)
p-value b   <0.001 0.028
  1. Note : a Only included those who reported family income during the interview; b Only included those who answered the statements.