Table 3 Participant characteristics and baseline measurement of step counts for Supreme Nudge trial participants additionally included in the physical activity coaching app intervention, for the total sample (n = 262)
|  | Total sample physical activity intervention (n = 262) | |
|---|---|---|
Age, years (mean (SD)) | 56.5 | (11.0) |
Female (n (%)) | 195 | (74.4) |
Educational attainment (n (%)) | ||
 Low | 50 | (19.1) |
 Medium | 99 | (37.8) |
 High | 113 | (43.1) |
Smartphone type: | ||
 Android, n (%) | 184 | (70.2) |
 iOS, n (%) | 78 | (29.8) |
Daily step count, median [IQR]: | ||
 Averaged over 7-day baseline period | 2710 | [3696] |
Walking behaviour and social cognitive factorsa, scored 1–7, mean (SD) | ||
 Consequences of behaviour | 3.1 | (2.0) |
 Social comparison | 2.6 | (1.7) |
 Action planning | 4.0 | (1.9) |
 Self-monitoring | 3.3 | (1.9) |
 Social support | 2.5 | (1.7) |
 Goal setting | 3.4 | (1.9) |
 Barrier identification | 2.2 | (1.6) |
 Self-evaluation | 3.7 | (1.9) |
 Encouragement | 2.5 | (1.8) |
 Others’ approval | 1.7 | (1.3) |
eHealth literacya, scored 1–7, mean (SD) | 4.9 | (1.5) |