Skip to main content

Table 2 Response rates

From: A randomised controlled trial to determine the effect on response of including a lottery incentive in health surveys [ISRCTN32203485]

 

Lottery

Control

Total

Practice

Number Responded

Total mailed

%

Number Responded

Total mailed

%

%

1

365

558

65.4

359

557

64.5

64.9

4

394

555

71.0

390

547

71.3

71.1

5

333

522

63.8

335

519

64.6

64.2

8

423

553

76.5

426

556

76.6

76.6

3

329

538

61.2

318

547

58.1

59.6

2

371

558

66.5

355

553

64.2

65.4

6

137

367

37.3

132

353

37.4

37.4

7

259

553

46.8

283

549

51.5

49.2