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Table 1 Characteristics of participants

From: ServAR: An augmented reality tool to guide the serving of food

  N (%) or Mean (95% CI)
Condition  
Control (N = 30) Information only (N = 30) ServAR tool (N = 30) Total (N = 90)
Age; years 26.5 (24.9 – 28.0) 25.6 (23.7 – 24.4) 25.4 (23.9 – 26.9) 25.8 (24.9 – 26.7)
BMIa; kg/m 2 24.5 (22.6 – 26.4) 24.2 (22.7 – 25.7) 23.9 (21.9 – 25.9) 24.2 (23.2 – 25.2)
Gender Female 25 (83.3) 23 (76.7) 23 (76.7) 71 (78.9)
Male 5 (16.7) 7 (23.3) 7 (23.3) 19 (21.1)
Country of birth Australia 22 (73.3) 21 (70.0) 17 (56.7) 60 (66.7)
Other 8 (26.7) 9 (30.0) 13 (43.3) 30 (33.3)
Do you currently monitor or track the amounts or portions of food you eat? No 26 (86.7) 23 (76.7) 23 (76.7) 72 (80.0)
Yes 4 (13.3) 7 (23.3) 7 (23.3) 18 (20.0)
Do you have a smartphone? No 0 (0.0) 0 (0.0) 2 (6.7) 2 (2.2)
Yes 30 (100.0) 30 (100.0) 28 (93.3) 88 (97.8)
How often do you use the following measurement aids at home:-
Measuring cupsc Daily or several times per week 10 (33.3) 9 (30.0) 13 (43.3) 32 (35.6)
Several times per month 12 (40.0) 13 (43.3) 7 (23.3) 32 (35.6)
Once per month or less or never 8 (26.7) 8 (26.7) 10 (33.3) 26 (28.9)
Scalesd Daily or several times per week 6 (20.0) 3 (10.0) 5 (16.7) 14 (15.6)
Several times per month or once per month 6 (20.0) 11 (36.7) 11 (36.7) 28 (31.1)
Never 18 (60.0) 16 (53.3) 14 (46.7) 48 (53.3)
Are you familiar with the Australian Guide to Healthy Eating standard serve sizes?         
  No 16 (53.3) 14 (46.7) 17 (56.7) 47 (52.2)
Yesb 14 (46.7) 16 (53.3) 13 (43.3) 43 (47.8)
  1. aheight and weight reported for n = 29 in Information only group; b‘I have heard about them’ and ‘Yes, I know them’ re-categorised to ‘Yes’; c‘Daily ‘AND ‘Several times per week’ re-categorised to ‘Daily or several times per week’, ‘Once per month or less’ AND ‘Never re-categorised to ‘Once per month or less or Never ‘; d ‘Daily ‘AND ‘Several times per week’ re-categorised to ‘Daily or several times per week’, ‘Several times per month’ and ‘Once per month’ re-categorised to ‘Several times per month or Once per month’.