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Table 3 Outcome variables in the intervention groups and other participants at baseline, 2-month and 2-year follow-ups; baseline results are reported for those who answered to at least one of the follow-up questionnaires (N = 16 499)

From: The effectiveness of email-based exercises in promoting psychological wellbeing and healthy lifestyle: a two-year follow-up study

   Confidence in the future mean (SD) Gratitude mean (SD) Stress mean (SD) Binge drinking weekly N (%) Current smoking N (%) Physical exercise 3 h/week N (%) Daily use of vegetables and/or fruits (N (%)
Lifestyle intervention Baseline (N = 7851) 5.34 (1.47) 5.8 (1.31) 2.77 (0.71) 736 (11.96) 703 (9.05) 5042 (64.66) 6795 (86.74)
  2-month follow-up (N = 4170) 5.63 (1.35) 6.07 (1.15) 2.94 (0.66) 274 (8.9) 278 (6.76) 2777 (67.19) 3739 (89.86)
  2-year follow-up (N = 5362) 5.4 (1.42) 5.92 (1.21) 2.95 (0.66) 350 (8.75) 412 (7.76) 3761 (70.47) 4857 (90.8)
Interpersonal intervention Baseline (N = 3743) 5.0 (1.57) 5.55 (1.41) 2.63 (0.71) 231 (7.97) 211 (5.7) 2577 (69.27) 3291 (88.09)
  2-month follow-up (N = 2063) 5.43 (1.4) 5.89 (1.22) 2.85 (0.65) 86 (5.67) 101 (4.96) 1406 (68.69) 1852 (90.17)
  2-year follow-up (N = 2531) 5.25 (1.47) 5.8 (1.25) 2.85 (0.66) 132 (6.93) 137 (5.47) 1846 (73.25) 2307 (91.29)
Control group Baseline (N = 7142) 5.42 (1.42) 5.83 (1.25) 2.89 (0.69) 675 (12.17) 777 (10.96) 4897 (69.02) 6065 (85.11)
  2-month follow-up (N = 3650) 5.52 (1.36) 5.91 (1.2) 2.96 (0.67) 244 (8.93) 341 (9.42) 2435 (67.21) 3080 (84.48)
  2-year follow-up (N = 4817) 5.34 (1.42) 5.87 (1.21) 2.99 (0.68) 317 (8.73) 442 (9.28) 3425 (71.61) 4275 (88.97)