Table 2 Attendance and engagement with WW interventions, presented by intervention arm

Attendance at WW sessions in first 3-months

(CP12 (n = 272); CP52 (n = 360))

Mean number of sessions attended (± SD)

9.63 ± 3.44

9.73 ± 3.41

Low attendance (n %) (≤4 sessions)

35 (13%)

55 (15%)

Moderate attendance (n %) (> 4 & ≤ 8 sessions)

33 (12%)

29 (8%)

High attendance (n %) (> 8 & ≤ 12 sessions)

204 (75%)

276 (77%)

Frequency of using WW e-tools/online resources

(CP12 (n = 355); CP52 (n = 400))

Daily/Almost daily

62 (17%)

91 (23%)

3–5 times per week

30 (8%)

40 (10%)

1–2 times per week

63 (18%)

67 (17%)

Never/Almost never

200 (56%)

202 (51%)

Frequency of using the WW mobile phone app

(CP12 (n = 356); CP52 (n = 401))

Daily/Almost daily

35 (10%)

60 (15%)

3–5 times per week

15 (4%)

15 (4%)

1–2 times per week

22 (6%)

32 (8%)

Never/Almost never

284 (80%)

294 (73%)