Table 2

Frequency and mode of contact of lifestyle intervention

Study nameType of contactMode of contactNumber of dietary interventions in year 1Number of dietary interventions in year 2Proportion of first year interventions in first 6 months (%)
All studies Individual = 7
Group only = 5
Group + individual = 19
Face to face = 11
Remote = 3
Face to face + remote = 17
27.5 3.96 66
ACHIEVE41 G,IF30x80
ADAPT42 G,IF,R33x64
ALIFE@WORK20 IR100100
BE-WELL21 G,IF,R18x83
CLIP43 G,IF,R36x67
Da Qing19 G,IF16480
DPP31 G, IF,R221273
EDIPS-Newcastle44 G,IF8x75
E-LITE45 G,IF,R38x61
HEALTH TRACK32 IF,R6650
HCP22 IF12475
IDEA46 G,IF,R39x62
IDPP-147 IF,R151453
LEAN23 IF,R11x100
LISA48 IR31487
Look AHEAD29 G,IF,R422457
NEW49 G,IF,R32x63
ORBIT28 G,IF,R110x56
Patrick50 IR52x50
PODOSA51 GF7471
POWER18 G,IF391877
SLIM52 G,IF,R5460
STRIDE53 G,IF,R36x67
Swedish Bjorknas54 GF12558
TAIM55 G,IF17871
TOHP I56 G,IF,R26x77
TOHP II57 G,IF,R28x68
TONE30 G,IF281271
Trento24 GF4450
Villareal58 GF52x50
WOMAN59 GF401250
  • The type of contact refers to whether trial participants received individual (I) or group (G), and mode of contact outlines whether participants received interventions remotely by internet, email or over the phone (R) or face to face (F).