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Table 1 Characteristics of invited and enrolled populations for all practices

From: Heterogeneity in the uptake, attendance, and outcomes in a clinical trial of a total diet replacement weight loss programme

 

Invited1, n

Enrolled, n (% of invited)

RR (95% CI)

Gender

 Men

1087

107 (10)

0.59 (0.47, 0.74)*

 Women

1022

165 (16)

 

Age

 ≤ 44 years

732

102 (14)

 

 > 44 ≤ 56 years

738

103 (14)

1.07 (0.83, 1.34)

 > 56 years

643

67 (10)

0.82 (0.62, 1.09)

BMI

 ≤ 31.8

703

33 (5)

 

 > 31.8 ≤ 35.5

697

96 (14)

2.88 (1.97, 4.22)*

 > 35.5

689

143 (21)

4.38 (3.05, 6.07)*

IMD Decile

 ≤ 6

800

120 (15)

1.84 (1.81, 2.59)*

 > 6 ≤ 8

824

112 (14)

1.68 (1.18, 2.85)*

 > 8

491

40 (8)

 

Type 2 diabetes diagnosis

 Yes

284

41 (14)

1.10 (0.81, 1.50)

 No

1831

231 (13)

 

Hypertension diagnosis

 Yes

545

63 (12)

0.81 (0.62, 1.04)

 No

1570

209 (13)

 
  1. IMD Index of Multiple Deprivation. IMD is calculated using practice postcode, and lower IMD indicates a more deprived location. RR risk ratio
  2. *Statistically significant difference (p < 0.01 for χ2 test)
  3. 1Anonymised data on all invited patients were provided by the GP practices for the 2115 invited patients. There was missing data on gender for 6 patients, on age for 2 patients, and on BMI for 26 patients