Skip to main content

Table 1 Baseline characteristics of the sample

From: A theory-based online health behaviour intervention for new university students (U@Uni): results from a randomised controlled trial

Variable Control Intervention
  % or mean SD N % or mean SD N
Demographic       
Nationality       
 UK 75.74 - 537 74.46 - 548
 Non UK 24.26 - 172 25.54 - 188
Ethnicity       
 White British 67.42 - 476 65.98 - 483
 White other 5.95 - 42 6.97 - 51
 Mixed 3.97 - 28 2.46 - 18
 Asian and Asian British 8.64 - 61 8.61 - 63
 Black and Black British 2.27 - 16 2.46 - 18
 Chinese 10.48 - 74 12.16 - 89
 Other 1.27 - 9 1.37 - 10
Gender       
 Female 55.15 - 391 61.55 - 453
 Male 44.85 - 318 38.45 - 283
Age 19.04 2.91 709 18.76 1.99 736
Fruit and vegetable intake       
 Mean portions 6.36 4.96 669 6.67 5.17 701
Physical activity       
 METS 3402.37 5101.72 688 3140.11 3861.42 709
 Mean hours sitting 344.36 179.09 609 336.17 171.42 641
Alcohol consumption       
 Mean total units in last 7 days 11.88 18.54 708 11.17 18.72 736
 Mean number of days binge drinking in last 7 days (drinkers only) 1.00 1.04 447 1.04 1.14 425
 Mean alcohol objective (FAEE) 2.07 2.02 54 2.08 2.56 54
Smoking       
 Has smoked 37.24 - 264 37.23 - 274
 Has never smoked 62.76 - 445 62.77 - 462
 Current smokers 11.99 - 85 11.28 - 83
 Not a current smoker 88.01 - 624 88.72 - 653
 Cigarettes smoked per week 3.19 14.12 496 1.88 10.95 483
 Smoking objective (cotinine) .48 .49 54 .45 .42 54
 Smoking objective (nicotine) 7.19 18.67 54 9.49 19.16 54
Other outcomes       
EQ-5D-3L       
 Mean health index scores from EQ-5D-3L (VAS) .90 .14 708 .91 .14 735
 Mean health index score from EQ-5D-3L (TTO) .92 .13 708 .92 .14 735
 Mean EQ-5D-3L visual analogue scale 78.21 13.61 706 78.11 15.85 730
Recreational drugs       
 Have taken recreational drugs (SSC measure)1 18.73 ± 9.54 132 16.49 ± 9.56 121
 Have not taken recreational drugs (SSC measure) 81.27   575 83.51   613
 Have taken recreational drugs (biochemical measure) 39.53 - 17 45.71 - 16
 Have not taken recreational drugs (biochemical measure) 60.47 - 26 54.29 - 19
BMI       
 Mean BMI self-report 22.06 3.71 662 22.24 3.81 695
 Mean BMI objective 22.28 3.85 54 22.06 3.88 54
Social cognition variables       
 Fruit & veg       
  Self-efficacy 5.71 1.48 703 5.80 1.36 733
  Perceived control 5.51 1.47 703 5.53 1.45 733
  Intention 5.24 1.47 703 5.39 1.45 733
 Physical activity       
  Self-efficacy 5.97 1.37 707 6.03 1.31 734
  Perceived control 5.66 1.46 707 5.58 1.46 734
  Intention 5.87 1.36 707 5.86 1.37 734
 Binge drinking       
  Self-efficacy 5.48 2.15 705 5.38 2.20 732
  Perceived control 5.94 1.55 705 6.05 1.43 732
  Intention 3.20 1.96 705 3.12 1.99 732
 Smoking       
  Self-efficacy 4.94 2.48 706 4.90 2.51 733
  Perceived control 6.39 1.45 706 6.51 1.27 733
  Intention 1.56 1.41 706 1.52 1.30 733
  1. 1Includes confidence interval. Notes. METS = metabolic equivalent of task, FAEE = fatty acid ethyl esters, VAS = visual analogue scale technique, TTO = time trade-off technique, SSC = single count method, BMI = body mass index.