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. Author manuscript; available in PMC: 2023 Sep 28.
Published in final edited form as: Br J Health Psychol. 2023 Feb 24;28(3):793–813. doi: 10.1111/bjhp.12654

TABLE 3.

Time 2 and Time 3 means and effect sizes for sun exposure outcomes across conditions.

Variable Controla (N = 88) Valuesb (N = 85) d a Social (N = 89) d a d b Perspect. Circle (N = 89) d a d b Imp. Intent (N = 92) d a d b
Time 2
 Intentions
  Intended days outside next week (0–7) 3.80 (1.97) 3.90 (1.93) .05 3.87 (2.13) .03 .01 3.24 (2.22) .27 .32 3.83 (2.22) .01 .03
  Intended exposed days outside (−7, +7) .14 (2.41) .30 (2.62) .07 .27 (2.37) .06 .01 −.37 (2.17) .22 .28 −.18 (2.63) .13 .18
 Resource engagement
  Dwell time (seconds) 25.37 (27.33) 23.47 (39.75) .06 27.97 (29.83) .09 .13 24.83 (23.36) .02 .04 22.33 (19.38) .13 .04

Time 3
 Behaviour
  Days outside last week (0–7) 4.02 (2.11) 3.74 (2.00) .14 3.94 (2.11) .04 .10 3.30 (1.98) .35* .22 3.90 (2.05) .06 .08
  Exposed days outside last week (−7, +7) 1.07 (2.43) 1.10 (2.04) .01 .71 (1.93) .16 .20 .56 (1.44) .25 .31 .73 (2.69) .13 .15
 Intentions
  Intended days outside next week (0–7) 3.85 (1.97) 3.68 (2.11) .08 3.99 (2.29) .07 .14 3.50 (2.12) .17 .09 4.10 (2.08) .12 .20
  Intended exposed days outside (−7, +7) .40 (2.68) .24 (2.22) .07 .48 (2.14) .04 .11 .07 (1.96) .14 .08 .36 (2.64) .01 .05
 Resource engagement
  Dwell time (seconds) 45.34 (34.57) 45.20 (35.00) .003 51.40 (41.60) .16 .16 64.84 (80.72) .31* .32 48.82 (68.33) .06 .07
  Link follows (% any follows) 2.3 7.3 13.5 17.4 7.8

Note: Values are Means (standard deviation) or proportions, d is Cohen’s d effect size: da compares each self-affirmation condition to the control, db compares values affirmation to all other self-affirmations.

*

indicates a significant p < .05

Indicates p < .10 for planned comparisons.