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Table 2 Primary and secondary outcomes

From: Advance telephone calls ahead of reminder questionnaires increase response rate in non-responders compared to questionnaire reminders only: The RECORD phone trial

 

Phone call

Control

ITT analyses

ATT analyses

n = 390

n = 363

Outcome

n

(%)

n

%

OR (95% CI); P

RD (95% CI)

RD (95% CI); P

Response

265

(68.0)

227

(62.5)

1.27 (0.94, 1.72); 0.12

5.4 (−1.4, 12.2)

6.2 (−1.6, 14.0); 0.12

Completed EQ-5D

228

(58.5)

200

(55.1)

1.15 (0.85, 1.53); 0.35

3.4 (−3.7, 10.4)

3.8 (−4.3, 11.9); 0.35

Completed SF-12

208

(53.3)

187

(51.5)

1.08 (0.81, 1.43); 0.62

1.8 (−5.3, 9.0)

2.1 (−6.1, 10.2); 0.62

Response 4 months later

202

(51.8)

155

(42.7)

1.44 (1.08, 1.92); 0.013

9.1 (2.0, 16.2)

10.4 (2.2, 18.5); 0.013

  1. ATT = average treatment effect on the treated; ITT = intention-to-treat; OR = odds ratio; RD = risk difference.
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Trials

ISSN: 1745-6215