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Table 1 Characteristics and demographics of interviewed participants

From: Missing steps in a staircase: a qualitative study of the perspectives of key stakeholders on the use of adaptive designs in confirmatory trials

Variable

Scoring

Total

(N = 27)

Sex

Male

17(63 %)

Female

10(37 %)

Age group (years)

>30 to 35

4(15 %)

>35 to 40

2(7 %)

>40 to 45

8(30 %)

>45 to 50

4(15 %)

>50 to 55

4(15 %)

>55

5(19 %)

Academic qualifications

MSc/MA or equivalent

3(11 %)

PhD/DPhil/DSc or equivalent

21(78 %)

Other

3(11 %)

Trials experience (years)

0 to 2

1(4 %)

>2 to 5

1(4 %)

>5 to 10

2(7 %)

>10 to 15

6(22 %)

>15

17(63 %)

Current employment sector

Private

4(15 %)

Publica

22(81 %)

Both private and public

1(4 %)

Mode of interview

Face-to-face

7(26 %)

Telephone

17(63 %)

Skype telephone call

1(4 %)

Skype video call

2(7 %)

Location

UK

23(85 %)

International

4(15 %)

  1. aSix participants had previous private sector experiences. Participants’ diverse previous AD experiences: none (n = 9), of which six expressed interest in ADs; during planning only (n = 6); during planning and conduct, either in early or confirmatory phase or both (n = 8); statistical regulatory assessment (n = 4)
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Trials

ISSN: 1745-6215