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Table 1 Baseline characteristics of patients by randomisation arm

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

Characteristic

 

Lottery

Control

Age (years)

mean (sd)

48.5 (18.8)

48.4 (18.8)

 

range

18–100

18–98

 

n

4323

4316

Sex

(male) %

47.8

48.2

 

n

4325

4320

Townsend score*

mean (sd)

1.06 (3.6)

1.06 (3.7)

 

median (IQR)

1.9 (-2.25 to 4.3)

1.9 (-2.11 to 4.3)

 

n

4199

4189

  1. Townsend scores are calculated at enumeration district level and standardised to England and Wales (Range -7.6 to 11.8). Positive scores indicate greater deprivation than the national average.
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BMC Health Services Research

ISSN: 1472-6963

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